本试题 “"I'll pay him as soon as he the TV set to my home." said the man.[ ]A. sendsB. sentC. is sendingD. will send” 主要考查您对实义动词的单数第三人称形式
一般现在时
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。
在一般现在时的肯定句中,当主语为非第三人称单数时,谓语动词用原形;
当主语为第三人称单数时,谓语动词用单数第三人称形式。
规则 | 动词原形 | 第三人称 单数形式 | |
s | 一般在词尾加s(读音规则: 清清浊浊元浊, 在清辅音后读清辅音/s/, 在浊辅音和元音后读/z/) |
stop take clean play grow |
stops/s/ takes/s/ cleans/z/ plays/z/ grows/z/ |
es | 以,x,ch,sh,或o结尾的动词 加-es(读/iz/) |
pass fix wash watch do |
passes fixes washes watches does |
ies | 以辅音字母 加y结尾的动词,变y为ies(读/iz/) |
fly carry hurry |
flies carries hurries |
一般现在时,当主语是第三人称单数时,谓语动词要用第三人称单数形式
主语是第三人称单数有以下几种情况:
(1) 不可数名词做主语:
Some water is in the glass
(2) 单个的可数名词做主语:
The girl is Chinese. My watch is on the dresser.
(3) He ,she , it 等代词单个做主语:
He is in the tree. She likes her family very much.
(4) 单个的人名,地名或称呼作主语:
Mary is a doctor. Uncle Li speaks a little English.
Changchun is a beautiful city.
(5) 指示代词this, that 等作主语:
This is a pear. That is an apple .
(6) Everyone, everything ,something, nobody, nothing.等不定代词作主语时
Is everyone here today? Everything is ok .
(7)单个数字作主语时:
”8” is a good number in China.
动词单数第三人称形式的一般现在时的句子的否定句、疑问句及特殊疑问句。
否定句:
在主语的后面实义动词前加doesn’t(注意实义动词应恢复原形。)
主语(单三)+doesn’ + 动词原形+其他
Jim likes football变否定: Jim doesn’t like football
He has lunch at school. 变否定:He doesn’t have lunch at school.
一般疑问句及答语,在句子前面加助动词does. 实义动词恢复原形
Does +主语(单三)+ 动词原形+其他
Does your father work ? Yes, he does. /No, he doesn’t
特殊疑问句:特殊疑问词+一般疑问句
特殊疑问词+ does +主语(单三)+ 动词原形+其他
Where does a bird live ?
How does she go to school?
一般现在时的句子转换:
(1)当句子中有be动词或情态动词时,则把be动词或情态动词(can,could等等)提到主语的前面变成疑问句;在be动词或情态动词后面加not变成否定句.
例:
①陈述句:She is a student.
疑问句→ Is she a student?
否定句→ She is not a student.
②陈述句:I can swim.
疑问句→ Can you swim
否定句→ I can not swim.
(2)当句子中即没有be动词,也没有情态动词时,则在主语前加助动词do (you,以及复数),does(单数she,he,it)变成问句;
在主语后谓语动词前加助动词don’t(I,you,以及复数), doesn’t(单数she,he,it)变成否定句,助动词后的动词要变成动词原形。
例:
①陈述句:We get up at 7:00 every morning.
疑问句→Do you get up at 7:00 every morning?
否定句→We don’t get up at 7:00 every morning.
②陈述句:She has a little brother.
疑问句→ Does she have a little brother?
否定句→ She doesn’t have a little brother.
一般现在时的表达方法:
主要通过谓语动词的变化和用时间词语来表示,其中最主要的是谓语动词的变化。现在一般时动词变化的规则是:
1.如果主语是名词复数和第一人称I、 we ,谓语动词不用做任何变化,即仍然用动词原形表示:
We usually go to school at 7:30. 我们通常7:30上学去。[go]
My parents give ten yuan to my sister every week.我父母每星期给我妹妹十元钱。[give]
2.主语是任何一个单数名词或者是第三人称单数,谓语动词要进行必要的变化。特别提一点:不可数名词也算作单数处理。
3.谓语动词的变化规律是:
第三人称单数的构成见下表:
词 |
构成 |
举例 | |
一般情况 |
词尾+s |
动词原形 |
第三人称单数 |
work(工作) |
works | ||
以-ch, -sh, s, x, o结尾 |
词尾+es |
teach(教) |
teaches |
以“辅音字母+y”结尾 |
变y为i,再加es |
fly(飞翔) |
flies |
特殊变化的词:
be (是) - am,is,are
I am
she/he/it,名词单数都用 is
we,you,they,名词复数都用are
have (有) - have,has
I,we,you,they,名词复数都用have
she/he/it is,名词单数都用 has
助动词,不论单复数、不论什么人称都没有变化,都用 can,may,must,need,ought to 等。
而且,句子中有了助动词,谓语动词就不需要有任何变化了,即用动词原形表示。例:
We have six classes every day. 我们每天上六节课。
I often get up at 6:30. 我经常6:30起床。
Jack likes Chinese food very much.杰克很喜欢中国饮食。
We can see some pictures on the wall. 我们能看到墙上的画。
4.一般现在时常用的时间词语
常用于一般现在时的词语有 sometimes/usually/often/every day(week,year)/ now/always 等。
这些时间词语只是辅助作用,这些词语也可用于其它的时态,所以谓语动词变化才是最关键的。
注意:当表现强烈的感情色彩时,尽管有如 always/never/seldom 等频率副词,但一般在频率副词前加上be动词,后面变为动词的现在分词形式。
例:My father lose his key again. He is always losing his key.
一般现在时中当主语为第三人称单数的时,动词上要改为第三人称单数形式。
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