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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。
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: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,when,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,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. 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 floor, 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 ______ your 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, 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 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 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 post 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 eighteen -years-old D. an eighteen-year-old
15. Our city is getting ________.
A. beautiful and beautiful
B. beautifuler and beautifuler
C. more and more beautiful
D. more beautifler and more beautifuler
II.单项选择。(每小题1分,共20分)
从A、B、C、D四个选项中选出可以填入空白处的最佳答案,并把答题卡上对应题目的答案标号涂黑。
21. There is a picture _____ my family on the wall.
A. of B. up C. after D. to
22. Something is wrong with my ______. I can’t see anything around me.
A. nose B. ears C. eyes D. mouth
23. ---Alice, is this your dictionary?
---Let me see. Oh, no. ______ is in my school bag.
A. Myself B. Me C. My D. Mine
24. Last Sunday my aunt ______ at home with me. We were watching TV all day.
A. was B. were C. is D. are
25. ---Must I clean the room now?
---No, you _______. You can do it tomorrow.
A. mustn’t B. must C. needn’t D. need
26. ---Are you good at history, Rose?
---_______. But I will try to study it well this term.
A. That’s all right B. Not very good C. No problem D. Quite well
27. Jane, please turn off the lights ______ you leave the classroom.
A. after B. before C. until D. but
28. ---_______ have you been away from your hometown, Janet?
---Since 5 years ago.
A. How many B. How long C. How much D. How often
29. ---Who did English homework better, Leo or Nick?
---Leo was more careful. I think Leo did ________ Nick.
A. as good as B. as well as C. better than D. worse than
30. I got a beautiful bike on ______ birthday. I like it very much.
A. fifteenth B. fifteen C. my fifteen D. my fifteenth
31. ---The radio ______ that there will be another heavy rain in Guangdong.
---Too bad. It has rained for the whole week.
A. tells B. talks C. says D. speaks
32. James, I’m too tired. Let’s stop _______ a rest.
A. having B. have C. to having D. to have
33. They came here to have a meeting on time, ________?
A. didn’t they B. did they C. don’t they D. do they
34. ---Look! It’s raining heavily. ______ take a raincoat with you?
---Well, I’ll take one right now.
A. Why not B. Why don’t C. Would you mind D. Would you like
35. ---Mark, please don’t play basketball on the road. It’s very dangerous.
---_________. I am going home at once.
A. Have a great time B. Sorry, I won’t do that C. I’d like to D. OK, with pleasure
36. ---I don’t have enough money. This watch is too expensive.
---Look, there are some more over there. They’re ______ and nice.
A. big B. old C. small D. cheap
37. If you _____ to the 2010 Shanghai Expo next month, I will go with you.
A. go B. has gone C. will go D. are going
38. --- Hello, this is Tina speaking. Is that Sam?
--- Sorry, he isn’t here at this moment. __________?
A. Can I take a message B. What are you saying to Tina
C. May I speak to Sam D. Who’s that speaking
39. ---David, look at the man in white over there. Can you tell me _______?
---He is a doctor.
A. Who is he B. who he is C. what is he D. what he is
40. ---Steven, could you help me ______ when the plane will take off on the Internet?
---I’m sorry, my computer doesn’t work.
A. get on B. find out C. look for D. look after
用所给单词的适当形式填空
1.
People will have robots in their____________(home).
2.
There will be_____(many) tree and _______(little) pollution in ten years.
3.
Five years ago, Jim ____in high school. Today, he ______in college. In five year, he________(be) married.
4.
Which movies _____________(win) award next year?
5.
The boss often makes Tom ___________(go) to bed late.
6.
I helped my parents __________(do) some housework yesterday.
7.
Do you think it is good for animals __________(live) in a zoo?
8.
There are __________(hundred) of shops in the street.
10
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