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  • 改错题
    短文改错
    假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文.文中
    共有10处语言错误,每句中最多有两处.每处错误仅涉及一个单词的增加、删除或修改.
    增加: 在缺词处加一个漏字符号(∧),并在其下面写出该加的词。
    删除: 把多余的词用斜线()划掉.
    修改: 在错的词下划一横线,并在该词下面写出修改后的词。
    注意:
    1.每处错误及其修改均仅限一词;
    2. 只允许修改10处,多者(从第11处起)不计分。

    As is known to all that millions of graduates crowded into the job market each year.But because
    of the financial crisis,the situation of the employment has become very serious.Consider this,some
    people suggest graduates should have a lower career expectation,such as working in the western
    areas of China.I in favor of this idea.Firstly,compared with the big cities,the competition is not as fierce
    there,but graduates can easy get a job.Secondly,the lower position may offer graduate more space. All
    in all,going to the west  bring more benefits.Devote yourself to the west,for it is both good for our
    personal development and for our country at present.
    _____________________________________________________________________________
    本题信息:2012年模拟题英语改错题难度较难 来源:姜雪
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本试题 “短文改错假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文.文中共有10处语言错误,每句中最多有两处.每处错误仅涉及一个单词的增加、删...” 主要考查您对

可数名词及其单复数

零冠词

物主代词

副词

并列连词

系动词

现在分词

一般现在时

it的用法

主谓一致

等考点的理解。关于这些考点您可以点击下面的选项卡查看详细档案。
  • 可数名词及其单复数
  • 零冠词
  • 物主代词
  • 副词
  • 并列连词
  • 系动词
  • 现在分词
  • 一般现在时
  • it的用法
  • 主谓一致

可数名词:

是指能以数目来计算,可以分成个体的人或东西;因此它有复数形式,当它的复数形式在句子中作主语时,句子的谓语也应用复数形式。 
                         


可数名词复数的规则变化: 

情况 构成方法  读音 例词
一般情况 加 –s 1.清辅音后读/s/;
2.浊辅音和元音后读/z/; 
map-maps
bag-bags
car-cars
以s,sh,ch,x等结尾的词 加 -es 读 /iz/ bus-buses
watch-watches
以ce,se,ze,(d)ge等结尾
的词 
加 -s 读 /iz/  license-licenses
以辅音字母+y结尾的词   变y 为i再加es  读 /z/ baby-babies
另外:
1)以y 结尾的专有名词,或元音字母+y结尾的名词变复数时,直接加s变复数: 
如:two Marys the Henrys      monkey---monkeys holiday---holidays  
比较:层楼:storey---storeys  story---stories
2)以o 结尾的名词,变复数时:
a. 加s,如: photo---photos  piano---pianos 
b. 加es,如:potato--potatoes tomato--tomatoes
c. 均可,如:zero---zeros / zeroes 
3)以f或fe 结尾的名词变复数时:
a. 加s,如: belief---beliefs roof---roofs   safe---safes  gulf---gulfs;
b. 去f, fe 加ves,如:half---halves knife---knives leaf---leaves wolf---wolves  wife---wives life---lives thief---thieves;
c. 均可,如:handkerchief:  handkerchiefs / handkerchieves

可数名词复数的不规则变化:

1)child---children foot---feet  tooth---teeth   mouse---mice  man---men woman---women  
注意:与 man 和 woman构成的合成词,其复数形式也是 -men 和-women。 
如:an Englishman,two Englishmen. 但German不是合成词,故复数形式为Germans;Bowman是姓,其复数是the Bowmans。
2)单复同形 如:
deer,sheep,fish,Chinese,Japanese
li,jin,yuan,two li,three mu,four jin 
但除人民币元、角、分外,美元、英镑、法郎等都有复数形式。如:
   a dollar, two dollars;  a meter, two meters
3)集体名词,以单数形式出现,但实为复数。
如:staff  people police cattle 等本身就是复数,不能说a staff  a people,a police,a cattle,
但可以说a person,a policeman,a head of cattle, the English,the British,the French,the Chinese,the
Japanese, the Swiss 等名词,表示国民总称时,作复数用。 
如:The Chinese are industries and brave. 中国人民是勤劳勇敢的。
4)以s 结尾,仍为单数的名词,如:
a. maths,politics,physics等学科名词,为不可数名词,是单数。
b. news 是不可数名词。
c. the United States,the United Nations 应视为单数。
The United Nations was organized in 1945. 联合国是1945年组建起来的。
d. 以复数形式出现的书名,剧名,报纸,杂志名,也可视为单数。
 "The Arabian Nights" is a very interesting story-book.
 <<一千零一夜>>是一本非常有趣的故事书。
5) 表示由两部分构成的东西,如:glasses (眼镜) trousers, clothes ;
若表达具体数目,要借助数量词 pair(对,双); suit(套); a pair of glasses; two pairs of trousers
6)另外还有一些名词,其复数形式有时可表示特别意思,如:goods货物,waters水域,fishes(各种)鱼

复合名词的复数形式:
   名词作定语名词作定语一般用单数,但也有以下例外。
1)用复数作定语。
如:sports meeting 运动会 
students reading-room 学生阅览室  
talks table 谈判桌    
the foreign languages department 外语系
2)man, woman, gentleman等作定语时,其单复数以所修饰的名词的单复数而定。
如:men workers  
women teachers 
gentlemen officials
3)有些原有s结尾的名词,作定语时,s保留。
如:goods train (货车) 
arms produce 武器生产
customs papers 海关文件
clothes brush衣刷
4)数词+名词作定语时,这个名词一般保留单数形式。
如:two-dozen eggs 两打/(二十四个鸡蛋) 
a ten-mile walk 十里路 
two-hundred trees 两百棵树           
a five-year plan 一个五年计划   

可数名词单复数知识体系:

 


不同国籍人的单复数:

国籍 总称(谓语用复数) 单数 复数
中国人 the Chinese a Chinese  two Chinese
瑞士人 the Swiss a Swiss two Swiss
澳大利亚人 the Australians  an Australian two Australians
俄国人 the Russians a Russian two Russians
意大利人 the Italians an Italian two Italians
希腊人 the Greek a Greek two Greeks
法国人 the French a Frenchman two Frenchmen
日本人 the Japanese a Japanese two Japanese
美国人 the Americans an American two Americans
印度人 the Indians an Indian two Indians
加拿大人 the Canadians a Canadian two Canadians
德国人 the Germans a German two Germans
英国人 the English an Englishman two Englishmen
瑞典人 the Swedish a Swede two Swedes


零冠词的概念:

名词前没有定冠词、不定冠词、或任何限定词的现象。


零冠词的用法:

零冠词是指名词前面没有不定冠词、定冠词,也没有其他限定词的现象,零冠词的用法如下:

1、表示抽象概括意义时,不可数名词和复数名词使用零冠词:
例:Books are my best friends. 书是我的好朋友。
        Water boils at 100℃. 水在摄氏100度沸腾。
比较:The water in this river is undrinkable. 这条河的水不可饮用。

2、专有名词通常使用零冠词:
例:Lu Xun is a great Chinese writer. 鲁迅是一位伟大的中国作家。
        London is the capital of England. 伦敦是英国的首都。
       China is a developing socialist country. 中国是一个发展中的社会主义国家。

3、按照习惯下列各类名词使用零冠词:
1)季节、月份、星期以及节假日等名词:
例:Summer begins in June in this part of the country. 这个地区夏天从六月份开始。
        We have no classes on Sunday. 星期日我们不上课。
        There are a lot of people shopping at Christmas. 在圣诞节有很多人购买东西。
2)三餐饭菜的名词:
例:have supper 吃晚饭
        come to dinner 去吃饭
3)语言、运动、游戏等名词:
例:She speaks Chinese. 她说汉语。
        He plays football. 他踢足球。
        Let's have a game of chess. 咱俩下盘棋吧。
4)在某些意义有改变的名词前要使用零冠词:
例:He has gone to school. (tolearn) 他去上学了。
        They are in church just now. (to worship) 现在他们在做礼拜。
同样,in hospital是“住院(治疗)”,in prison是“服刑”,等等。
注意:如果在这类名词前加冠词,则表示去那里干与之无关的事:
例:go to the school 可理解为去学校看望人,而不是“学习”。

4、在表示职位、头衔、身份等名词前:
例:Professor Wang 王教授
        Doctor Tompson 汤普生医生
        President Lincoln 林肯总统
        Dean of the English Department 英语系主任


零冠词的特殊用法:

1、用于物质名词前。物质名词表示泛指或一般概念时,通常用零冠词:
如:Water boils at 100℃. 水在摄氏100度沸腾。
        Blood is thicker than water. 水浓于水(即亲人总比外人亲)。
表示泛指或一般概念的物质名词前,即使有一描绘性修饰语,仍用零冠词:
如:Don't eat rotten food. 不要吃腐烂的食物。
注:(1)若特指,物质名词前可用定冠词:
如:Is the water in the well fit to drink? 这井里的水能喝吗? 
        (2)表示一种、一杯、一场、一阵、一份等这样的概念时,可用不定冠词:
如:This is a very good wine. 这是一种很好的酒。
        A coffee, please. 请给我来杯咖啡。
        It was very cold and a heavy snow was falling. 当时天气很冷,正在下大雪。

2、用于抽象名词前。抽象名词表示泛指或一般概念时,通常用零冠词:
如:Do you like music? 你喜欢音乐吗?
        Failure is the mother of success. 失败是成功之母。
表示泛指或一般概念的抽象名词前,即使有一描绘性修饰语,仍用零冠词:
如:I like light music very much. 我非常喜欢轻音乐。
注:(1)若特指,抽象名词前可用定冠词:
如:I like the music of Mozart. 我喜欢莫扎特的曲子。
        (2)若表示一种、一类、一方面、那种、这种等这之类的概念时,可用不定冠词:
如:He lives a happy life. 他过着幸福的生活。
        Physics is a science. 物理是一门科学。
        (3)表示动作的一次、一例、一番等时,可用不定冠词:
如:Let me have a look. 让我看一看。
       (4)表示与抽象名词意义相关的具体的人或事,可用不定冠词:
如:The book is a delight to read. 这书读来很有趣。

3、用于专有名词前。在通常情况下,专有名词前用零冠词:
如:Smith lives in London. 史密斯住在伦敦。
注:若特指,专有名词前有时也可用定冠词:
如:The Smith you're looking for no longer lives here. 你找的那个史密斯不住这儿了。 

4、用于复数名词前。复数名词表示类别时,通常用零冠词:
如:Teachers should be respected. 教师应该受到尊重。
泛指不定量的人或物,也用零冠词:
如:We are students of ClassFive. 我们是五班的学生。
注:若特指,复数名词前应用定冠词:
如:The teachers should attend the meeting 教师应参加会议。

5、用于单数可数名词前。单数可数名词前用零冠词,主要有以下情况:
(1)用于表示家庭成员或nurse, cook, teacher等名词前:
如:Mother is not at home.妈妈不在家。
        Ask nurse to put the child to bed  叫保姆孩子抱到床上去睡觉。
        Teacher was satisfied with our work. 老师对我们的工作很满意。
(2)用于动词turn(变成),go(变成)后作表语的名词通常用零冠词:
如:He was a teacher before he turned writer. 他在成为作家之前是教师。
        He has gone socialist. 他成了社会主义者。
(3)在让步状语从句的倒装句式中,单数可数名词通常用零冠词:
如:Child as he is, he knows a lot. 他虽然是个孩子,但已经很懂事了。
        Teacher though he is, he can't knowe verything. 他虽然是老师,但也不可能什么都懂。
(4)单数可数名词用作呼语,通常用零冠词:
如:How is she, doctor? 医生,她怎么样?
        Can you drive me to the station, driver? 司机,请送我去车站,好吗?
(5)在某些独立结构中通常用零冠词:
如:The teacher came in, book in hand. 老师走进教室,手里拿着书。
        He was sitting in the chair, pipe in mouth. 他坐在椅子里,嘴里叼着烟斗。
(6)在“kind[sort]of+名词”这一结构中,名词通常用零冠词:
如:This kind of book is very interesting. 这种书很有趣。
        He is the sort of person I really dislike. 他这种人我真不喜欢。
注:注意以下两句在含义上的差别:
      Whatkindofcarisit?这是什么牌子的车?
      Whatkindofacarisit?这种车质量如何?
(7)当单数可数名词含义抽象化具有形容词意味时,通常用零冠词:
如:The man was more animal than man. 那个人与其说是人,不如说是畜生。 
        I was fool enough to accep this offer. 我接受他的提议真是太傻了。
       Are you man enough for this dangerous job? 你有勇气敢做这项危险的工作吗?


零冠词用法口诀:

下列情况应免冠,代词限定名词前;
专有名词不可数,学科球类三餐饭;
复数名词表泛指,两节星期月份前;
颜色语种和国名,称呼习语及头衔。
以上口诀主要概括了一般应“免冠”的几种情况,即:
①名词前已有作定语用的this、that、some、any、my等限定词。
②专有名词和不可数名词前。
③表示学科的(如:maths、Chinese、physics)名词前。
④球类活动的名词前及三餐总称前。
⑤复数名词表示泛指(一类人或事)时。
⑥节日、季节、星期、月份前。
⑦表示颜色(如:It's red/yellow.)、语种(如:speak English/Japanese)和国家的非全称名词(如:We live in China. They come from America.)。
⑧在称呼或表示头衔的名词前。
⑨某些习惯短语中(如:inbed、go to school 等)。


零冠词知识体系:


冠词
名词前面没有定冠词、不定冠词、和其他限定词的现象。 1、在某些专有或者抽象物质表示类别前
2、在表示类别复数名词前
3、在季节、月份、星期、三餐前
4、称呼语或表示头衔,职务的词前
5、学科和球类运动的名称前
6、名词前有代词或所有格
7、在某些固定词组中:
      at night by bus

零冠词用法拓展:

(1)节假日、星期、月份、季节等通常用零冠词:
如:We had a good time on Christmas Day. 我们在圣诞节过得很愉快。
        Monday comes before Tuesday. 星期二在星期一之后。
        He was born in September, 1988. 他出生在1988年9月。
注:①我国用Festival构成的传统节日通常用定冠词:
如:the Spring Festival春节
        the Mid-autumn Festival [theMoonFestival]中秋节 
        ②若表示特指或心目中的专指,星期、月份、季节等名词前可用定冠词: 
 如:He went abroad in the September of 1988. 他于1988年9月出国。 
         He came on the Sunday and went away on the Monday. 他星期日来,星期一就走了。
        ③表示“某一个”或受描绘性定语修饰表示“某种”这样的意义时,节日、星期、月份、季节等名词也可用不定冠词: 
如:My birthday happened to be on a Saturday. 我的生日碰巧是星期六。 
        She came round to see me on a sunny Sunday. 她在一晴朗的星期日来看了我。 
        We had a nice Christmas. 我们过了一个愉快的圣诞节。
        ④当季节名词不强调时间而强调季节的内涵时,通常用 the: 
如:Winter is coming. 冬天要来了。(单纯指冬天的时间)
        The winter is coming. 冬天要来了。(暗示寒冷)
(2)某些表示自然界时间变化现象的名词,与某些介词(如at, after, before, till, until, towards, from等) 构成短语时,通常用零冠词:
 如:at day-break 在天亮时
         before dawn 在天亮前
         at dusk 在黄昏时
         after sunset 在日落后
         after sunrise 在日出前
         until sundown 直到日落
         towards dark 天快黑时
         at midnight 在半夜
         from dawn till dusk 从早到晚
当day, night, evening, morning, afternoon 等表示抽象的时间概念时,通常用零冠词:
如:Night fell. 天黑了。
        Evening came on. 夜幕来临。
        It was late afternoon before he reached home. 傍晚时候他才到家。
(3)球类、三餐、茶点等名词前,通常用零冠词:
如:We play basketball in the afternoon. 我们下午打篮球。
        What do you have for breakfast? 你早餐吃什么?
        They were at tea when I called. 我来访时他们正在喝茶(吃茶点)。
注:①球类名词若不是作为一项体育活动看待,而是作为一个实实在在的东西来看待,则可以用冠词:
如:The basketball is mine. 这个篮球是我的。
        He bought a basketball. 他买了一个蓝球。
        ②三餐饭被特指可用定冠词,若受形容词修饰且非特指,可用不定冠词:
如:The supper she cooked was delicious. 她做的晚餐很可口。
        We had a good lunch at Uncle's. 我们在叔叔家吃了顿丰盛的午餐。
(4)当名词后接有数词表示顺序时,名词前通常用零冠词:
如:Lesson10 is more interesting than Lesson11. 第10课比第11课更有趣。
        There's a picture of a ship on page15. 在第15页有张一艘船的照片。
(5)公园、广场、学校、语言等名词前通常用零冠词:
如:Hyde Park 海德公园
        Central Park(纽约) 中内公园
        Zhong shan Park中山公园
        Tian AnMen Square天安门广场
        speak English 说英语
        Beijing University 北京大学
注:当语言名词表特指意义或指某一语言中的对应词时,通常用定冠词:
如:the English spoken in America and Canada 在美国和加拿大讲的英语
       What's the English for this? 这个东西用英语怎么说?
另外,在语言名词后加上language一词时,也要用冠词:the English language。
(6)表示学习、生活、娱乐等的单数名词,若表示相关的活动时,通常用零冠词:
如:go to school (bed, church, town, class, college, etc)去上学 (睡觉,做礼拜,进城,上课,上大学,等)
        in bed (school, class, college, church, prison, hospital,etc) 在睡觉 (上学,上课,上大学,做礼拜,坐牢,住院,等)
        be sent to hospital (prison) 被送往医院住院或治疗(关进监狱)
        School is over at twelve. 12点放学。
注:①若不是指活动,而是指具体的实物,则要用冠词。比较:
如:go to the bed到床边去 (侧重指“床”这个实体)
        go to bed 上床睡觉(侧重指与“床”有关的活动,即睡觉)
        be in the school 在这所学校里 (侧重指“学校”这个地点)
        be in school 在上学(侧重指与“学校”有关的活动,即读书)
        ②但是cinema, theatre是例外,它们表示相关活动时,其前要用定冠词:
如:He often goes to the cinema (theatre). 他经常去看电影(看戏)。
        I prefer the cinema to the theatre. 我喜欢看电影,不喜欢看戏。
③有时定冠词和零冠词的选择与英美英语的不同习惯有关:
如:in hosptital (英) 住院
        in the hospital (美) 住院
        go to university (英)上大学
        go to the university (美)上大学
        at table (英)在吃饭
        at the table(美)在吃饭
(7)某些用介词by构成的方式的短语通常用零冠词:
①表示乘坐交通工具:
如:by bus 乘公共汽车
        by bike(bicycle) 骑自行车
        by plane/byair乘飞机
        by ship(boat) 坐船
        by land 走陆路
        by sea 从海路
②表示用通讯或通信等方式:
如:by phone 用电话
        by telegram 用电报
        by letter 用信件
        by post 用邮寄
        by radio 用无线电
        by hand 用手工
(8)表示正式的或独一无二的头衔或职位等,在用作宾语、表语、补语或同位语时,通常用零冠词:
如:John is captain of the team. 约翰是足球队的队长。
        He is head of the foreign languages department. 他是外语系主任。
注:尽管有时也有用定冠词的现象,但以零冠词为普通。
(9)单数可数名词紧密联系的平行结构,通常用零冠词:
如:They are brother and sister. 他们是兄妹。
        Please pass me pencil and paper. 请把纸笔递给我。
        Boy and girl came up to me together. 一个男孩和女孩一起向我走来。
(10)有些短语用零冠词和定冠词均可,只是含义不同:
如:out of question 毫无疑问
        out of the question 不可能,不值得考虑的
        keep house 料理家务
        keep the house 呆在家里不外出
        in charge of 负责,管理,主管
        in the charge of 在…的管理(负责)之下
(11)许多习语用零冠词:
如:catch fire 着火
        give way 让路
        lose heart 灰心
        move hosue 搬家
        send word 捎信
        take place 发生
        by chance 偶然
        catch sight of 看见
        make use of 利用


物主代词的概念:

表示所有关系的代词叫物主代词。
物主代词有两种形式:一种是形容词性物主代词,在句中只能充当定语;另一种是名词性物主代词,和名词用法相同,在句中作主语、宾语、表语等。


 物主代词的特性:

1、物主代词既有表示所属的作用又有指代作用。
例如:John had cut his finger;约翰割破了手指。 
物主代词有形容词性(my,your等)和名词性(mine,yours等)两种,形容词性的物主代词属于限定词。  
名词性的物主代词在用法上相当于省略了中心名词的“'s”属格结构,
如:Jack's cap 意为 The cap is Jack's.   
        His cap  意为 The cap is his.   
2、名词性物主代词的句法功能:  
a.作主语,例如:May I use your pen? Yours works better.   
b.作宾语,例如:I love my motherland as much as you love yours.   
c.作介词宾语,例如:Your should interpret what I said in my sense of the word,not in yours.   
d.作主语补语,例如:The life I have is yours. It's yours. It's yours. 我的生命属于你,属于你,属于你。


物主代词的基本形式:

第一人称

第二人称

第三人称

 

 

名词性

形容词性

名词性

形容词性

名词性

单数

my

mine

your

yours

his
her
its

his
hers
its

复数

our

ours

your

yours

theirs


形容词性物主代词的用法:

1、形容词性物主代词通常修饰名词,作定语。
如:We should treat her mother very well.
2、与own连用表示强调。
如:I saw it with my own eyes.

名词性物主代词的用法:

1、名词性物主代词可作主语、表语和宾语。
如:This is my desk. Yours is over there.
2、名词性物主代词常用于双重属格,于of连用。
如:This girl is a friend of mine.


物主代词知识体系

 


物主代词特别用法:

1、名词性和形容词性物主代词不能混用。
如:Jack has a low opinion of Sue.
2、物主代词的单复数必须和它所指代的名词一致。
如:His idea is to do more practice every day.
3、对于anyone,anybody,everyone,everybody,应根据上下文来判断his或her,有时也可用their。
如:Has everyone finished their work?


副词的概念:

副词是指在句子中表示行为或状态特征的词,用来修饰动词、形容词、其他副词、介词短语、非谓语动词乃至整个句子,表示时间、地点、程度、方式等概念。


副词的位置:

1)在动词之前。
2)在be动词、助动词之后。
3)多个助动词时,副词一般放在第一个助动词后。
注意:
a. 大多数方式副词位于句尾,但宾语过长,副词可以提前,以使句子平衡。
如:We could see very clearly a strange light ahead of us.
b. 方式副词well,badly糟、坏,hard等只放在句尾。
如:He speaks English well.

副词的排列顺序:

1)时间,地点副词,小单位的在前,大单位在后。
2)方式副词,短的在前,长的在后,并用and或but等连词连接。
如:Please write slowly and carefully.
3)多个不同副词排列:程度+地点+方式+时间副词。
注意:副词very可以修饰形容词,但不能修饰动词。
改错:(错)I very like English.
            (对)I like English very much.
注意:副词enough要放在形容词的后面,形容词enough放在名词前后都可。
如:I don't know him well enough. 
        There is enough food for everyone to eat.
        There is food enough for everyone to eat.


兼有两种形式的副词:

1)close与closely:
      close意思是“近”;closely意思是“仔细地”。
      如: He is sitting close to me.
               Watch him closely.
2)late与lately:
      late意思是"晚";lately意思是“最近” 。
      如:You have come too late. 
              What have you been doing lately?
3)deep与deeply:
      deep意思是“深”,表示空间深度;deeply时常表示感情上的深度,“深深地” 。
      如:He pushed the stick deep into the mud. 
              Even father was deeply moved by the film.
4)high与highly:
      high表示空间高度;highly表示程度,相当于much。
      如:The plane was flying high.
              I think highly of your opinion.
5)wide与widely:
      wide表示空间宽度;widely意思是“广泛地”,“在许多地方”。
      如:He opened the door wide.
              English is widely used in the world.
6)free与freely:
      free的意思是“免费”;freely的意思是“无限制地”。
      如:You can eat free in my restaurant whenever you like. 
              You may speak freely, say what you like.


副词知识体系:


并列连词的概念:

连词是一种虚词,它不能独立担任句子成分而只起连接词与词,短语与短语以及句与句的作用。连词主要可分为两类:并列连词和从属连词。并列连词用来连接平行的词、词组和分句。如:and, but, or, nor, so, therefore, yet, however, for, hence, as well as, both...and, notonly...butalso, either...or, neither...nor, (and)then 等等。


并列连词与并列结构:

并列连词引导两个并列的句子。
1)and与or:
判断改错:
(错) They sat down and talk about something.
(错) They started to dance and sang.
(错) I saw two men sitting behind and whisper there.
(对) They sat down and talked about something.
(对) They started to dance and sing.
(对) I saw two men sitting behind and whispering there.
解析:第一句:and连接两个并列的谓语,所以talk应改为talked。
            第二句:and连接两个并列的动词不定式,第二个不定式往往省略to,因此sang应改为sing。
            第三句:and连接感观动词saw后面的用作的宾补的两个并列分词结构,因此whisper应改为whispering。
注意:and还可以和祈使句或名词词组连用表示条件。(or也有此用法)
如:Make up your mind, and you'll get the chance.=If you make up your mind, you'll get the chance.
        One more effort, and you'll succeed.=If you make one more effort, you'll succeed.
2)both...and 两者都
如:She plays(both) the piano and the guitar.
3)not only...but(also), as well as 不但…而且
如:She plays not only the piano, but(also) the guitar.
注意:not only…but also关联两个分句时,一个分句因有否定词not而必须倒装。
如:Not only does he like reading stories, but also he can even write some.
4)neither...nor 意思为“既不……也不……”谓语动词采用就近原则,与nor后的词保持一致。
如:Neither you nor he is to blame.


比较so和such :

so与such的用法由不同词性决定。such是形容词,修饰名词或名词词组,so是副词,只能修饰形容词或副词。so还可与表示数量的形容词many,few,much,little连用,形成固定搭配。
构成:so+adj.
            such+a(n)+n.
            so+adj.+a(n)+n.
            such+n.(pl.)
            so+adj.+n.(pl.)
            such+n.(pl.)
            so+adj.+n.[不可数] 
            such+n.[不可数]
如:so foolish 
        such a fool  
        so nice a flower 
        such a nice flower 
        so many/few flowers 
        such nice flowers 
        so much/ little money.
        such rapid progress
        so many people
        such a lot of people
:so many 已成固定搭配,a lot of 虽相当于many,但a lot of为名词性的,只能用such搭配。 so...that与such...that之间的转换既为so与such之间的转换。


并列连词用法点拨:

1、表示并列关系:
1)or意思为“否则”。
如:I must work hard, or I'll fail in the exam.
2)either...or意思为“或者……或者……”。注意谓语动词采用就近原则。
如:Either you or I am right.
2、表示转折或对比关系:
1)but表示转折,while表示对比。
如:Some people love cats, while others hate them.
典型例题:
—Would you like to come to dinner tonight?
—I'd like to, ___ I'm too busy.
    A. and
    B. so
    C. as
    D. but
答案:D。but与前面形成转折,符合语意。而表并列的and,结果的so,原因的as都不符合句意。
2)not...but...意思为“不是……而是……” not和but后面的用词要遵循一致原则。
如:They were not the bones of an animal, but(the bones) of a human being.
3、表示原因关系:
1)for 判断改错:
(错)For he is ill, he is absent today.
(对)He is absent today, for he is ill.  for是并列连词,不能置于含两个并列分句的句子的句首,只能将其放在两个分句中间。


并列连词知识体系

种类 用法 举例
并列连词 表示转折关系 yet, but等
表示并列关系 and, or, either...or..., as welll as等
表示因果关系 for, so等

比较and和or的用法:

1)并列结构中,or通常用于否定句,and用于肯定句。
2)但有时and也可用于否定句。请注意其不同特点:
如:There is no air or water in the moon.
        There is no air and no water on the moon.
在否定中并列结构用or连接,但含有两个否定词的句子实际被看作是肯定结构,因此要用and。

典型例题

—I don't like chicken___fish.
—I don't like chicken, ___I like fish very much.
A. and;and
B. and;but
C. or;but
D. or;and
答案:C。否定句中表并列用or,but表转折。
判断改错:
(错)We will die without air and water.
(错)We can't live without air or water.
(对)We will die without air or water.
(对)We can't live without air and water.


系动词的概念:

连系动词(link verb)是一个表示谓语关系的动词。它必须后接表语(通常为名词或形容词)。连系动词的功能主要是把表语(名词、形容词、某些副词、非谓词、介词短语、从句)和它的主语联系在一起,说明主语的属性、特征或状态。它有自己的但不完全的词义,不能在句中独立作谓语,必须和后面的表语一起构成句子的谓语。它是虚词。


系动词的分类:

1、状态系动词:
用来表示主语状态,只有be一词。
例如:He is a teacher. 他是一名教师。(is与补足语一起说明主语的身份。)
2、持续系动词用来表示主语继续或保持一种状况或态度,主要有keep, rest, remain, stay, lie, stand:
例如:The weather will continue cold and wet.
            He remained poor after 20years.
            The shop will stay open at 11:00p.m.
            He stood/sat silent there. 
3、表像系动词:
用来表示"看起来像"这一概念,主要有seem, appear, look。
例如:She appears to have know this thing.
            She seems a student.
4、感官系动词:
感官系动词主要有feel, smell, sound, taste。
例如:The silk feels soft.
            Your idea sounds a good one.
            He looked like his mother.
            The mixture tasted terrible.
            The flower smells sweet.
5、变化系动词:
这些系动词表示主语变成什么样,变化系动词主要有become, grow, turn, fall, get, go, come, run。
例如:My dream o fcoming to China has come true.
            In summer food often goes bad.
            He turned doctor./ He became a doctor.
            He fell asleep as soon as he went to bed.
6、终止系动词表示主语已终止动作,主要有prove, turn out,表达"证实","变成"之意。
例如:The truth he stuck to proved true.

系动词基本用法:

连系动词是表示不完全谓语关系的动词,它与其后的表语一起构成谓语。
常见的连系动词有be(是),become(成为),get(变成),remain(还是),seem(似乎是),look(看上去),feel(感觉)等。
连系动词后的表语通常是名词和形容词,有时也可以是代词、数词、副词、介词短语、不定式、动名词、从句等:
如:His English is excellent. 他的英语很棒。(跟形容词)
        He is a famous poet. 他是著名诗人。(跟名词)
        Money isn't everything. 金钱不是一切。(跟代词)
        She was the first to arrive. 她是第一个到达的人。(跟数词)
        Who is up stairs? 谁在楼上?(跟副词)
        He is with his friends. 他和朋友在一起。(跟介词短语)
        He seems to be ill.他似乎病了。(跟不定式)
        Seeing is believing. 眼见为实。(跟动名词)
        This is what you need. 这就是你需要的。(跟从句)
:有些系动词又是实义动词,该动词表达实义时,有词义,可单独作谓语。
例如:1、She tasted①the soup to see if it tasted②too salty.  她尝了一口汤,看是否太咸。
            2、The doctor is feeling①his pulse because he feels②sick. 因为身体不舒服,医生正在给他切脉。
            3、The mother looked①at the sick child sadly and she looked②sad. 母亲难过地看着生病的孩子。
            4、She smelled①the meat to make sure it still smelled②good. 她闻了闻肉,看看是否还新鲜。
            5、The teacher asked the students to keep②quite when they were keeping①everything in order. 当学生整理东西时,老师让他们保持安静。
从以例子不难出,标①的动词为实义动词,他们后跟有宾语;标②的动词为系动词,其后往往跟形容词、名词、不定式等作表语。


系动词知识体系:

 


连系动词使用应注意的两点:

 1、关于连系动词后接副词作表语:
连系动词后通常可接形容词作表语,一般不接副词:
误:His English is very well. 他的英语很好。(应将well改为good)
误:Be carefully. 小心点。(应将carefully改为careful)
误:The soup tastes nicely. 这汤味道不错。(应将nicely改为nice)
但是,有时连系动词后也可接副词作表语,不过这主要限于in, on, off, out, away, behind, up, down, over, through, around, round, below, inside, outside等少数副词小品词以及here, there, upstairs, downstairs等少数表示地点或方位的副词:
如:Mother wasn't in last night. 母亲昨晚不在家。
        The meeting was over at five. 会议五点结束。
        Come along. The taxi is outside. 来吧,出租车在外面。
        Mother is downstairs waiting for you. 母亲在楼下等你。
2、关于连系动词后接不定式:
(1)连系动词be后根据情况可自由地接不定式作表语:
如:My dream is to be a scientist. 我的梦想是当一名科学家。 
        All I could do was to wait. 我只能等。
        My plan was to go from London to Paris. 我计划从伦敦去巴黎。
        I was to have seen Mr Kay. 我本要去见凯先生的。
(2)seem, appear, prove, continue, turn out, get, grow, come等连系动词后也可接不定式(尤其是to be)作表语:
如:She always seems to be sad. 她常常显得很忧伤。
        My advice proved to be wrong. 我的意见证明是错的。
        She appears to have many friends. 他好像有很多朋友。
        The weather turned out to be fine. 天气结果很好。
        Circumstances continue to be favorable.  情况仍然是有利的。
        He has grown to like studying English. 他渐渐喜欢学英语了。

若所接不定式为to be,通常可以省略。不过,若其后接的是表语形容词,则to be通常不宜省略。
另外,连系动词look后能否接tobe似乎尚有争论,不过,在现代英语中接to be的现象已较普遍。
(3)sound, smell, feel, taste, become等连系动词后通常不能接不定式:
误:These oranges taste to be good. (应去掉to be)
误:The roses smell to be nice.(应去掉to be)
(4)有的连系动词后接的从句可用不定式来改写:
如:It seems that she's right./ She seems to be right. 她似乎是对的。
        It appears that you have made a mistake./You appear to have made a mistake. 似乎你弄错了。


现在分词的概念:

现在分词(PresentParticiple)(又称-ing形式),是分词的一种,是非限定动词,即在句子里面不能单独充当谓语,但能充当其它的一些成分(定语,表语,补语和状语)。一般式:doing;一般被动式:being done;完成式:having done;完成被动式:having been done。所有否定式都是在-ing前面加not。


现在分词的用法:

1)做表语:
如:He was very amusing.
        That book was rather boring.
很多动词的现在分词都可以作表语:exciting, interesting, encouraging, disappointing, confusing, touching, puzzling.
2)作定语:
上面所出现的现在分词都可以用作定语,修饰一个名词:
如:That must have been a terrifying experience.
        I found him a charming person.
现在分词短语还可以放在名词的后面修饰名词,相当于一个定语从句:
如:There are a few boys swimming in the river.
        There is a car waiting outside.
3)作状语:
现在分词短语可以表示一个同时发生的次要的或伴随的动作:
如:Following Tom, we started to climb the mountain. 
        Opening the drawer, he took out a box.
        Taking a key out of his pocket, he opened the door.
现在分词短语还可以表示原因,相当于一个原因状语从句:
如:Not knowing her address, we couldn't get in touch with her.
        Being unemployed, he hasn't got much money.
现在分词短语还可以表示时间,相当于一个时间状语从句:
如:Hearing the news, they all jumped with joy.
        Returning home, he began to do his homework. 
        Jim hurt his arm while playing tennis.
        Be careful when crossing the road.
        Having found a hotel, we looked for some where to have dinner.
        Having finished her work, she went home.
4)作宾补:
现在分词在一些动词之后可以做宾语的补语:
例如:see, hear, catch, find, keep, have等。
如:I see him passing my house every day.
        I caught him stealing things in that shop.
        I smelt something burning.
        She kept him working all day.


现在分词其他用法解析:

1、现在分词一般式的用法:
现在分词的一般式所表示的动作与主语动作同时发生:
如:When we arrived, we found him sleeping. 我们到达时发现他在睡觉。
         Living in the 示的动作也可略早于或迟于谓语动作,但两者之间没有时间间隔:
如:Seeing nobody at home, he decided to leave a note. 发现没有在家,他决定留个字条。 
         He went home, finding the door locked. 他回到家,发现门是锁着的。当现在分词所表示的动作略迟于谓语动作时,现在分词通常位于句末。

2、现在分词完成式的用法:
现在分词的完成式主要表示发生在谓语动作之前的动作:
如:Having been there once, she knew the place quite well. 由于去过那儿一次,她对那地方很熟悉。
        Having failed twice, he didn't want to try again. 他已经失败了两次,不想再试了。
注:(1)现在分词的一般式和完成式均可表示已完成或先于谓语的动作,但有区别:现在分词所表示的动作虽然可以先于谓语动作,但两者之间没有时间间隔,而现在分词的完成式所表示先于谓语的动作则与谓语动作有一定的时间间隔:
如:Locking the door, he went out. 锁好门之后,他就出去了。
        Having invited him here to speak, we'd better go to his lecture. 既然我们请了他来作报告,我们最好去听一下。
有时即使是分词动作与谓语动作几乎同时发生,但如果要强调分词动作的完成性,也应用现在分词的完成式:
如:Having bought our tickets, we went into the theatre. 我们买好票后就走进剧场。
(2)现在分词的完成式一般不用作定语:
误:Do you know anyone having lost a cat? 你知道有谁丢了一只猫吗?
误:I want to talk to the person having broken the window. 我想同打破窗户的人谈谈。
若将以上现分词的完成式改为一般式也不可以(因为现在分词作后置定语时通常只表示与谓语动作同时或几乎同时发生的动作,而不能先于谓语动作而发生):
误:I want to talk to the person breaking the window.

3、现在分词被动式的用法:
当要表示一个被动动作时,现在分词就用被动形式。现在分词的一般式和完成式均有被动式形式:
(1)现在分词一般式的被动式:主要表示现在正在进行的动作,也可表示与谓语动作同时发生的动作:
如:Who is the woman being operated on? 正在动手术的女人是谁?
         I saw him being taken away by the police. 我看见他被警察带走。
:有时现在分词一般式的被动式所表示的动作也可发生在谓语动作之前(此时的现在分词通常用于表示原因,且多为状态动词):
如:Not having a car, he finds it difficult to get around. 由于没车,她感到行动很困难。
(2)现在分词完成式的被动式:主要表示发生在谓语动词之前且已经完成的动作。
如:The subject having been opened, he had to go on with it. 话题已经开始了,他不得不谈下去。
        Having been written inhaste, the book has many mistakes. 这书因写得仓促,所以错误不少。
比较:Being so ill, she can't go to school. 由于病得那么严重,她不能去上学。
            Having been ill for a long time, he needed time to recover. 由于病了很长时间,他需要一段恢复的时间。


一般现在时的概念:

表示通常性、规律性、习惯性的状态或者动作(有时间规律发生的事件)的一种时间状态。


一般现在时的用法:

1)经常性或习惯性的动作,常与表示频度的时间状语连用。常用的时间状语有every...,sometimes,at...,on Sunday等。
例如:I leave home for school at 7 every morning. 每天早上我七点离开家。
2)客观真理,客观存在,科学事实。
例如:The earth moves around the sun. 地球绕太阳转动。 
            Shang hai lies in the east of China. 上海位于中国东部。
3)表示格言或警句。
例如:Pride goes before a fall. 骄者必败。 
注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。
例如:Columbus proved that the earth is round. 哥伦布证实了地球是圆的。
4)现在时刻的状态、能力、性格、个性。
例如:I don't want so much. 我不要那么多。  
           Ann writes good English but does not speak well. 安英语写得不错,讲的可不行。
比较:Now I put the sugar in the cup. 把糖放入杯子。   
            I am doing my homework now. 我正在做功课。  
第一句用一般现在时,用于操作演示或指导说明的示范性动作,表示言行的瞬间动作。
第二句中的now是进行时的标志,表示正在进行的动作的客观状况,所以后句用一般现在时。


一般现在时知识体系:

 


一般现在时用法拓展

1、一般现在时表将来:
1)下列动词come, go, arrive, leave, start, begin, return的一般现在时可以表示将来,主要用来表示在时间上已确定或安排好的事情。
例如:The train leaves at six tomorrow morning. 火车明天上午六点开。   
       —When does the bus star? 汽车什么时候开
       —It stars in ten minutes. ?十分钟后。
2)以here, there 等开始的倒装句,表示动作正在进行。
例如:Here comes the bus.=The bus is coming. 车来了。   
            There goes the bell.=The bell is ringing. 铃响了。
3)在时间或条件句中。
例如:When Bill comes(不是will come), ask him to wait for me. 比尔来后,让他等我。   
            I'll write to you as soon as I arrive there. 我到了那里,就写信给你。
4)在动词hope, take care that, make sure that 等的宾语从句中。
例如:I hope they have a nice time next week. 我希望他们下星期玩得开心。   
            Make sure that the windows are closed before you leave the room. 离开房间前,务必把窗户关了。
2、一般现在时代替一般将来时:
When, while, before, fter, till, once, as soon as, so long as, by the time, if, in case(that), unless, even if, whether, the moment, the minute, the day, the year, immediately等引导的时间状语从句,条件句中,用一般现在时代替将来时。
例如:He is going to visit her aunt the day he arrives in Beijing. 他一到北京,就去看他姨妈。
3、一般现在时代替一般过去时:
1)"书上说","报纸上说"等。
例如:The news paper says that it's going to be cold tomorrow. 报纸上说明天会很冷的。 
2)叙述往事,使其生动。
例如:Napoleon's army now advances and the great battle begins. 拿破仑的军队正在向前挺进,大战开始了
4、一般现在时代替现在完成时:
1)有些动词用一般现在时代替完成时,如hear, tell, learn, write, understand, forget, know, find, say, remember等。
例如:I hear(=haveheard)he will go to London. 我听说了他将去伦敦。 
            I forget(=have forgotten)how old he is. 我忘了他多大了。
2)用句型"It is…since…"代替"It has been…since…"。
例如:It is(=has been)five years since we last met. 从我们上次见面以来,五年过去了。
5、一般现在时代替现在进行时:
在Here comes…/There goes…等句型里,用一般现在时代替现在进行时。
例如:There goes the bell.铃响了。

时态一致

 
1、如果从句所叙述的为真理或相对不变的事实,则用现在时。
例如:At that time, people did not know that the earth moves. 那时,人们不知道地球是动的。 
            He told me last week that he is eighteen.上星期他告诉我他十八岁了。 
2、宾语从句中的,助动词ought, need, must, dare的时态是不变的。
例如:He thought that I need not tell you the truth. 他认为我不必告诉你真相。


it的概念:

it可用作人称代词、指示代词、先行词及引导词等。


it 的用法:

1、it可指天气、温度、时间、距离等 。
如:It is cold today, isn't it?
2、用作人称代词,代替前文提到过的事物。
如:The dog is not  acold-blooded animals.  It doesn't need to hibernate.
3、为避免重复,it可用来代替前面说过的短语或句子。
如:I tried to persuade my father to give up smoking, but found it impossible. (it=to persuade my father to give up smoking)
4、代替指示代词this,that。
如:—What's this?
        —It's an album.
        —Whose new bike is that?
        —It's Mary's.
注:it与one,that的区别:
        it=the(this, that)+名词,特指并且代替前面所提到的某特定事物。
如:He's bought a new car, so he drives it everywhere to show ito ff.
        one=a+名词,one指前面提到的同类事物中的不同的另一个。
如:He needs a computer, but he can't afford one.
        that=the+名词,that指代的名词与前面的名词属于同一类,但不属同一个。
如:The population of China is larger than that of Japan.  that指代population,但其后有一个of短语作定语,以区别于the population of China。
:it与that的异同:
        it指同一事物,that指同类但并不是同一事物。
如:I like the climate of Kunming more than that of Beijing.
       The climate of Kunming is mild, and I like it.
5、It/This/That+be+the first(second, third...) time+that-clause 这个句型表示截止到说话时为止的某人的一种经历,关键是注意time前有序数词,主句是一般现在时is时,从句要用现在完成时;如果主句用一般过去时was时,则从句须相应地用过去完成时。
如:This is the first time(that) these Europeans have visited the Great Wall.
        It was the fifth time(that) I had paid a friendly visit to America.
6、在一些相对固定的词组中,没有特殊含义,经常不翻译。
如:He's never really made it as an actor. 作为演员,他从未获得过真正的成功。
        It is my turn. 轮到我了。


强调句中的it:

可以用来改变句子结构,使句子的某一成分得到强调:
1)强调句的基本句型it's/was+被强调成分+that/who+其他成分
原句:I told Jim the news in our office yesterday.
强调主语:It was I that/who told Jim the news in our office yesterday.
强调宾语:It was Jim that I told the news in our office yesterday.
            或:It was the news that I told Jim in our office yesterday.
强调地点状语:It was in our office that I told Jim the news yesterday.
强调时间状语:It was yesterday that I told Jim the news in our office.
2)强调句的一般疑问句型Is/Was+it+所强调部分+that/who...?
如:Was it you that told Jim the news in your office yesterday?
3)强调句的特殊疑问句型疑问词+is/was+it+that/who...?
如:Who was it that told Jim the news in your office yesterday?
【注】强调句与主语从句虽然在形式上很相似,即都含有it is(was)...that。但,区别在于:强调句去掉it is(was)…that之后,句子结构仍然完整,而主语从句却不能这样。
如:(It is)our hope(that) the two sides will work towards peace.
解析:去掉It is…that之后,句子是不成立的。由此得出该句不是强调句,而是一个简单的主语从句,it是形式主语,从句是真正的主语。


“it”的用法:

1、it 作形式主语:
it 在句中可作形式主语,而真正作主语的主语从句需要放在句子的末尾。主语从句后置常用以下几种结构:
1)It is/was+adj.+subject-clause可用于此句型的形容词有:
clear, certain, funny, good, impossible, likely, natural, obvious, possible, probable, strange, surprising, true, unusual, wonderful等。
如:It is obvious that going for sports will do a lot of good to your health.
2)It+be+adj./n.(forsb./ofsb.)+todosth. 该句型中的形容词通常表示事物的特点或特征的,如:
difficult, hard, easy, impossible, necessary, important等,此时用for;或表示人的性格特征或特点的,如:
nice, good, bad, kind, silly, foolish, wise, clever, careless, rude, brave, cruel, careful, grateful等,这时要用of 。
3)It is/was+名词词组+subject-clause可用于该结构的名词词组有:
a pity/duty, a good thing, no surprise, good news, an honor, a fact, a mystery, a shame, manners等。
 如:It's a pity that I didn't attend the party.
4)It is/was+V-ed+subject-clause可用于该结构的动词的过去分词有:
said, reported, thought, supposed, believed, hoped, expected, known, decided, announced, arranged等。
如:It is said that something had been done to end the pollution.
注:本句还可改写为:Something is said to have been done to end the pollution.
5)It+vi.+subject-clause可用于该结构的动词有:appear, seem, happen, occur等。
 如:It appeared to scientists that the stars had moved.
6)It doesn't matter(makes no difference,etc.) +连接代词或连接副词引起的从句作宾语。
如:It doesn't matter whether he'll join the army or not.
        It makes no difference where we have the conference.
7)一些固定句型:
It takes sb. some time to do sth.
如:It will take you two days to get there on foot. 
It costs sb. some money to do sth.
如:It costs 1,000 dollars to fly to America.
It is/was no use(useless) doing(做什么是没有用处的)
如:It's no use arguing with him.
It is/was no good doing(做什么是没有好处的)
8)以下句型结构中需要用虚拟语气
① It is/was important(necessary, strange) that...;
     It is/was ordered(required, suggested, proposed) that...;
     It is/was a pity(a shame) that...表示遗憾等感情的句子中,主语从句要用“should+动词原形”,should可以省略。
如:It's necessary that he(should) be operated on at once.
② It is (high)time that...结构中用should+动词原形(should不能省略)或动词过去式。
如:It is high time that you should make(made) full use of your time to go over your lessons.

2、it作形式宾语
1)动词consider(feel, find, think等)+it+形容词(名词)+不定式(动词-ing形式,从句)。
 如:She thinks it no use telling me.
2)主语+appreciate(enjoy,like,love,hate)+it+if(when)...结构
如:We would appreciate it if you could come to help us.
3)dependon, relyon, see to(负责/设法做到), takeforgranted(习以为常)等短语后跟that从句时,要以it作形式宾语。
如:We're depending on it that he will finish the job by Friday.


“it ”引起的几个易混淆的时间句型:

1)It be+时间+since-clause 这个句型表示从since从句谓语动作发生以后到现在或过去所经过的一段时间,意为“自从…以来已多久了”,主句多用一般现在时,从句用一般过去时,如果表示过去的情况,主句一般用过去时,从句用过去完成时,或主句用过去完成时,从句用一般过去时。
:since引导时间状语从句时,从句若使用终止性动词,则表示该时间是主句时间段的终点(时间从现在算起);若从句使用延续性动词,则表示该动作状态的结束(时间从过去算起)。
如:It's five years since they got married. 他们结婚已经5年了。 
        It's five years since they were married. 他们离婚已经5年了。
        It's ten years since his father was a worker. 他父亲不当工人已经10年了。
        I haven't seen him since we were boys together. 我们长大以后再没有见过面。 
2)It be+时间+before-clause 这个句型中的时间一般为表示一段时间的词语(如:long years, months, weeks, days, hours, minutes),主句中的谓语动词用肯定式,意为“过多长时间才…”。主句的谓语动词是否定式时,意为“没过多长时间就…”。主句的时态可用过去时was或将来时willbe;用was时,before从句的动词用一般过去时;用willbe时,before从句常用一般现在时。 如:It was not long before she learned those poems by heart. 她没过多久就背会了那些诗。
        It was long before the police arrived. 过了很久警察才来。
        It will be hours before he makes a decision. 要过好几个小时他才会作出决定。
        It will not be hours before we meet again. 要不了几个小时我们还会再见面的
3)It be+时间+when-clause 这个句型中,it指时间,而且表示时间的词语前没有介词(时间一般是具体时间)。主句和从句中的谓语动词在时态上是一致的,主句是willbe,when从句用一般现在时代替将来时。
如:It was already 8 o'clock when we got home.
        It will be late afternoon when they get there. 
4)It be+时间+that-clause 这个句型是个强调句型。
如:It was at 5o'clock that he practiced playing the violin in the morning. (原句是:He practiced playing the violin at 5o'clock in the morning.)
比较:It was 5o'clock when he started in the morning.(5o'clock前没有介词,这个是定语从句)
5)It be+time+that-clause 这个句型属虚拟语气结构,不管主句中用的是is或was,that从句都须用动词的过去式或should+动词原形(但不及物动词通常用过去式),在time之前有时可以加上high 或about 以加强语气。
如:It is high time(that) he wrote a letter to his girl friend.
        It is time(that) we made people's life a little easier.= It is time that we should make people's life a little easier.


主谓一致的概念:

谓语的数必须和主语的人称和数保持一致,这就叫主谓一致。


主谓一致的基本原则:

1)语法一致原则,即在语法形式上取得一致。例如,主语是单数形式,谓语动词也采取单数形式;主语是复数形式,谓语动词也采取复数形式。
例如:The students are very young.
            This picture looks beautiful.
2)意义一致原则,即从意义着眼处理一致关系。例如,主语形式虽是单数但意义是复数,谓语动词也采取复数形式;
而有些主语形式虽是复数但意义上看作单数,谓语动词也采取单数形式。
例如:The people in that country are fighting for independence.
            The crowd deeply respect their leader. 
            Three years in a strange land seems a long time.
3)就近原则,即谓语动词的单数或复数形式取决于最靠近它的词语。
例如:Neither hen or I am going to see the film tonight because we are busy.


几对容易混淆词组的一致用法:

1、由“this/thatkind/typeof+名词”作主语,谓语动词用单数形式;而由"these/thosekind/typeof+复数名词”作主语,谓语动词用复数形式。
例如:This kind of apples is highly priced.
            Those kind(s) of tests are good.
2、由“a number of,a totalo f,an average of+复数名词”作主语,谓语动词用复数形式;由“the number of,the total of,the average of+复数名词”作主语,谓语动词用单数形式。
例如:A number of students are waiting for the bus.
            The number of the students in this university is increasing yearly.
3、one of,the(only) one of的一致用法
例如:This is one of the books that have been recommended.
            This is the(only) one of the books that has been recommended.


 主谓一致用法点拨:

1、并列结构作主语谓语用复数:
如:Reading and writing are very important.
注意:当主语由and连结时,如果它表示一个单一的概念,即指同一人或同一物时,谓语动词用单数,and此时连接的两个词前只有一个冠词。
如:The iron and steel industry is very important to our life.
典型例题:
The League secretary and monitor___asked to make a speech at the meeting.
A. is
B. was
C. are
D. were
答案:B.
注:先从时态上考虑。这是过去发生的事情应用过去时,先排除A、C本题易误选D,因为The League secretary and monitor 好象是两个人,但仔细辨别,monitor前没有the,在英语中,当一人兼数职时只在第一个职务前加定冠词。后面的职务用and相连。这样本题主语为一个人,所以应选B。

2、主谓一致中的靠近原则:
1)当there be句型的主语是一系列事物时,谓语应与最邻近的主语保持一致。
例如:There is a pen, a knife and several books on the desk.
            There are twenty boy-students and twenty-three girl-students in the class.
2)当either…or…与neither…nor,连接两个主语时,谓语动词与最邻近的主语保持一致。
如果句子是由here, there引导,而主语又不止一个时,谓语通常也和最邻近的主语一致。
例如:Either you or she is to go. 
            Here is a pen, a few envelops and some paper for you.

3、谓语动词与前面的主语一致:
当主语后面跟有with, together with, like, except, but, no less than, as well as等词引起的短语时,谓语动词与前面的主语一致。
例如:The teacher together with some students is visiting the factory. 
            He as well as I wants to go boating.

4、谓语需用单数:

1)代词each和由every, some, no, any等构成的复合代词作主语,或主语中含有each,every,谓语需用单数。
例如:Each of us has a tape-recorder. 
2)当主语是一本书或一条格言时,谓语动词常用单数。
例如:The Arabian Night is a book known to lovers of English. 
3)表示金钱,时间,价格或度量衡的复合名词作主语时,通常把这些名词看作一个整体,谓语一般用单数。(用复数也可,意思不变。)
例如:Three weeks was allowed for making the necessary preparations.
            Ten yuan is enough.

5、指代意义决定谓语的单复数:
1)在代词what, which, who, none, some, any, more, most, all等词的单复数由其指代的词的单复数决定。
例如:All is right. (一切顺利。)
            All are present. (所有人都到齐了。)
2)集体名词作主语时,谓语的数要根据主语的意思来决定。
例如:family, audience, crew, crowd, class, company, committee等词后用复数形式时,意为这个集体中的各个成员,用单数时表示该个集体。
例如:His family isn't very large. 他家不是一个大家庭。
            His family are music lovers. 他的家人都是音乐爱好者。
但集合名词people, police, cattle, poultry等在任何情况下都用复数形式。
例如:Are there any police around?
3)有些名词,如variety, number, population, proportion, majority等有时看作单数,有时看作复数。
A number of+名词复数+复数动词。 The number of+名词复数+单数动词。
例如:A number of books have lent out.
            The majority of the students like English.

6、与后接名词或代词保持一致:

1)用half of, part of, most of, a portion of等词引起主语时,动词通常与of后面的名词,代词保持一致。
例如:Most of his money is spent on books.
            Most of the students are taking an active part in sports.
2)在一些短语,如many a或more than one所修饰的词作主语时,谓语动词多用单数形式。
但由more than…of作主语时,动词应与其后的名词或代词保持一致。
例如:Many a person has read the novel. 许多人都读过这本书。
            More than 60percent of the students are from the city. 百分之六十多的学生都来自这个城市


主谓一致知识体系:

 


主谓一致用法拓展:

1)当everyone,everybody,noone,nobody,anyone,anybody,someone,somebody,everything,anything,something,nothing等用作主语时,其相应的代词一般用单数形式。
例如:If anybody calls, tell him that I'm out.
            Something strange happened, didn't it? 
2)人称代词与名词的呼应:人称代词I(me),he(him),she(her),it(it) 都是代替前面的单数名词,而they(them),we(us)则是代替复数名词的,you既可以代表单数,也可以代表复数。但表示泛指的时候,用he或one来表示。
例如:If a young person enters a classical music field only for money, he is in the wrong profession. 
3)物主代词与名词的呼应:my,our,his,her,its,their要与代替的名词在数上一致。
例如:The welfare department,as well as the other social services,will have its budget cut.
4)反身代词与其所代成分间的呼应。
例如:Many primitive people believed that by eating ananimal they could get some of the good qualities of that animal for themselves.
5)指示代词与所代名词间的呼应:this和that指代单数名词或不可数名词,these和those指代复数名词(those还可以用作先行词,引导定语从句,表示“那些人”)。
例如:She invited all those who had been her former colleagues.
6)much和muchof后接不可数名词,而many和manyof后接可数名词的复数。
例如:There is not much coal left.
            A great many of the houses were knocked down by the earthquake.
7)表示量的词后面有的接可数名词,有的接不可数名词。
接可数名词的有:a number of,a rangeof,a series of十复数名词;
接不可数名词的有:a great deal of,an amount of十不可数名词;
既可接可数又可接不可数名词的有:a lot of,a variety of。
例如:1.The government attached a great deal of importance to education.
            2.Quiteanumberofwomenappliedforthisjob.
            3.The college library has avariety of books.
            4.An apple is avariety off ruit.