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高中三年级英语

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  • 单选题
    The population of Jiangsu _____ to more than twice what it was in 1949. The figure is now approaching 74 million.

    A. has grown
    B. have grown
    C. grew
    D. are growing
    本题信息:2009年江苏高考真题英语单选题难度一般 来源:张雪
  • 本题答案
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本试题 “The population of Jiangsu _____ to more than twice what it was in 1949. The figure is now approaching 74 million.A. has grownB. have grownC. grewD....” 主要考查您对

现在完成时

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。
  • 现在完成时
  • 主谓一致

现在完成时的概念:  

现在完成时用来表示之前已发生或完成的动作或状态,其结果的影响现在还存在;也可表示持续到现在的动作或状态。其构成:have(has)+过去分词。


现在完成时共有四种主要用法:   

一、现在完成时表示影响:
该用法的现在完成时表示一个过去发生的动作在过去已经完成,并且这个过去发生并完成的动作对现在有影响或结果,同时说话者强调的或感兴趣的就是这个影响或结果,如汉语说“他已离开这个城市了”,其中的“离开”肯定发生了,它对现在的影响或结果就是“他现在已不在这个城市了”;又如汉语说“有人把窗户打破了”,显然“打破窗户”这一动作发生在过去,并且在过去已经完成了,但说话人强调的重点是打破窗户对现在的影响—窗户现在仍是破的。
如:He has left the city. 他已离开这个城市。(结果:他不在这个城市。)   
        Someone has broken the window. 有人把窗户打破了。(结果:窗户仍破着。)   
        I have lost my pen. 我把钢笔丢了。(结果:我现在无钢笔用。)   
        He has finished his work. 他把工作做完了。(结果:他现在可以做其他的事了。)   

二、现在完成时表示持续:   
该用法的现在完成时表示一个过去发生的动作或开始的状语在过去并未完成或结束,而是一直持续到现在,并且有可能继续下去(也可能到此结束),如汉语说“他在我们学校教书已有30年了”,显然“他在我们学校教书”是从30年前开始,并且一直教到现在,已经持续了30年;又如汉语说“自上个星期以来他一直很忙”,显然“忙”是从上个星期开始的,并且这一“忙”就一直忙到现在。
如:He has taught in our school for 30years. 他在我们学校教书已有30年了。   
        He has been busy since last week. 自上个星期以来他一直很忙。   
        He has worked for us ever since he left school. 他离开学校以后就一直为我们工作。   

三、现在完成时表示重复:   
即表示从过去某个时间直到现在的这个时间范围内不断重复发生的动作或情况,并且这个不断重复的动作有可能继续下去,也有可能到现在就结束。
如:How often have you seen her? 你隔多少见她一次?   
        My father has always gone to work by bike. 我父亲一向骑车上班。   

四、现在完成时表示将来:   
同一般现在时可以表示将来一样,现在完成时也可以在时间状语从句里表示将来。
如:I'll wait until he has written his letter. 我愿等到他把信写完。   
        When you have rested, I'll show you the garden. 等你休息好之后,我领你看我们的花园。


现在完成时知识体系:

 


比较一般过去时与现在完成时:

1)一般过去时表示过去某时发生的动作或单纯叙述过去的事情,强调动作;现在完成时为过去发生的,强调过去的事情对现在的影响,强调的是影响。
2)一般过去时常与具体的时间状语连用,而现在完成时通常与模糊的时间状语连用,或无时间状语。一般过去时的时间状语:yesterday, last week,…ago, in1980, in October, just now等,皆为具体的时间状语。现在完成时的时间状语:for, since, sofar, ever, never, just, yet, till/until, up to now, in past years,always等,皆不确定的时间状语。共同的时间状语:this morning, tonight, this April, now, already, recently, lately等。
3)现在完成时可表示持续到现在的动作或状态,动词一般是延续性的,如live, teach, learn, work, study, know。一般过去时常用的非持续性动词有come, go, leave, start, die, finish, become, get married等。
例如:I saw this film yesterday.(强调看的动作发生过了)
            I have seen this film.(强调对现在的影响,电影的内容已经知道了)
            Why did you get up so early?(强调起床的动作已发生过了)
            Who hasn't handed in his paper?(强调有卷子未交,疑为不公平竞争)
            He has been in the League for three years.(在团内的状态可延续)
            He has been a League member for three years.(是团员的状态可持续)  
句子中如有过去时的时间副词(如yesterday, last, week, in1960)时,不能使用现在完成时,要用过去时。
(错)Tom has written a letter to his parents last night.
(对)Tom wrote a letter to his parents last night.


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.