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1、中考英语语法讲解资料及模拟第6讲:不定式第6讲:不定式 不定式和动词象一对姐妹一样亲密,本不该拆开来讲,可是篇幅有限,只能让他们分开了。不定式的构成非常简单,告诉我是什么?对!是to+动词原形。当然啦,to有时也可以不带。动词不定式没有人称和数的变化,可以担当除谓语外的任何句子成分。那什么时候可以不带to呢? Listen to me carefully. 不定式省to有四种情况: 使役动词 let,have,make 等后接不定式。如:Let him go! 让他走! would rather,had better后。如:You had better stay at home.你最好呆在家里
2、。 Why. / why not.后。如:Why not have a good rest on Sunday? 为什么星期天不好好休息一下呢? 感官动词 see, watch, look at, hear, listen to, smell,feel, find 等后作宾补,省to。如:I saw him dance. 我看见他跳舞。 注意:这些情况在被动句中可千万不可省to 哟! 如:The boss made them work the whole night. 变成被动句:They were made to work the whole night. 不定式的特殊用法: It与不定式:
3、动词不定式可以做主语,但如果动词不定式太长,显得头重脚轻的,那么我们就可用形式主语it代替,而把真正主语(即不定式)放于句尾。 如: It is not difficult for me to study English well.(对我来说学好英语是可能的。)不定式还可以充当句子的宾语,但有些动词,如find,think,believe 等,在语法上不能接受不定式作宾语,只有用it作形式宾语,从而把动词不定式置于句尾。这样的不定式可继续充当其宾语的作用。 如: I found it difficult to fall asleep.我发现很难入睡。 还有一点:动词不定式,还可用在how,wh
4、en,where,what,which 等疑问代词或副词之后,与其共同作宾语。如:I don't know how to use a computer.我不知道怎样使用电脑。Remember?too.to.和enough.to:too.to表达"太 . 一致于不能."。 enough . to 表达 "足以."。这两个词组的用法用两个例子就可以说清楚了。 The box is too heavy for me to lift.这个箱子太沉了,我提不动。 He is old enough to go to school.他到上学的年龄了。也就是说,
5、他的年龄足够上学了。记住这两个句子就可以举一反三,应用自如。你记住了吗? 好吧,再试一把趁热打铁! 练习: 1. Tell him _ the window. A. to close not B. not to close C. to not close D. not close 2. Paul doesn't have to be made _. He always works hard. A. learn B. to learn C. learned D. learning 3. You'd better _the story in Japanese. A. say B.
6、speak C. tell D. talk 4. The patient was warned _ oily food after the operation. A. to eat not B. eating not C. not to eat D. not eating 5. - I usually go there by train. - Why not _ by boat for a change? A. to try going B. trying to go C. to try and go D. try going 6. There are some books on the fl
7、oor, would you like _? A. to pick them up B. to pick up them C. pick it up D. pick up it 7. She is very ill, let's _a doctor at once. A. to wake up B. send for C. to pay for D. pay for 8. I want _a teacher when I grow up. A. to be B. to C. be D. being 9. It's cold here. You'd better _ yo
8、ur coat. A. not take out B. not to take down C. not take off D. not to take away 10. My mother told me _more water. A. drinking B. drank C. to drink D. drink 实战: 1. You'd better _read in the sun. A. not to B. not C. don't D. to 2. You aren't a new driver, are you? _. A. No, I am B. Yes,
9、I'm not C. No, you are D. Yes, I am 3. Must I stay here now?_. A. No, you mustn't B. No, you needn't C. Yes, you can D. Yes, you may 4. There is _ "s" in the word "bus". A. a B. an C. the D. / 5. Neithere of us _a doctor. A. is B. isn't C. are D. aren't 6. Who
10、 was the first in the girls'_race? A. 400 metre B. 400-metre C. 400 metres D. 400-metres 7. It's too noisy here, I can't _. A. go to sleep B. fall to sleep C. sleeping D. get to sleep 8. The story happened _ the evening of October 20, 1995. A. at B. on C. in D. to 9. Could I speak to Mr
11、Gao, please? _. He has gone to the hospital. A. I think so B. Certainly, you can C. I'm afraid not D. I'm not sure 10. I'm sorry to trouble you, Miss Hu. _. A. Fine, thank you. B. All right. C. It's very kind of you . D. It doesn't matter. 11. Can you tell me where_? A. is the po
12、st office B. the post office is C. does the post office D. the post office does 12. In England, the first name is _name, but in China, the first name is _ name. A. family, given B. given, family C. family, family D. given, given 13. Li Ping met an old friend of _ on a train yesterday. A. he B. him C. his D. her 14. Kate is _ girl. A. a eighteen-year-old B. a eighteen-years-old C. an e
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