（精品）初中英语语法讲与练（五） - 情态动词(3)

Yesterday I was able to get home before the heavy rain. 昨天我在下大雨前赶到了家里。

2. must和 have to

must表示主观意志，而have to表示由于客观因素不得不做某事。must没有过去式，除在间接引语中可用于表示过去时间，在直接引语中表示过去时间应该用had to代替。

I told her that she must give up smoking. 我叫她必须戒烟。

We had to get everything ready that night. 我们那晚得把一切准备就绪。

3. would和used to

1）used to表示过去与现在或过去某时与后来的情况有不同，而would只表过去的情况。People used to think that the earth was flat.

过去人们认为地球是平的。（现在人们不这么认为。）

She would go out for a walk in the morning when she was in the country. 在乡下时，她总是在早晨去散会儿步。（可能现在仍有散步的习惯。）

2）used to可表示过去的习惯动作和经常的情况，而would只表示过去的习惯动作。

He used to ∕would smoke while writing. 过去他写东西时常抽烟。 She used to be fat. 她过去很胖

【中考题选编】

( )1. Please don't make so much noise. I hear the speaker very well.

A. needn't B. mustn't C. can't D. shouldn't

( )2. —Helen, who fix up the computer in our class? —I think Jeff can.

A. should B. would C. must D. can ( )3.—Shall we take a car?

—No, we . It's only five minutes' walk. A. can't B. mustn't C. needn't D. couldn't

( )4 —Could you go to the bookstore with me? I want to buy The Grass House by Cao Wenxuan. —Sorry, I . I've promised Mom to go home right after school. 11 / 15

A. can't B. couldn't C. needn't D. mustn't ( )5.—Must I wait here all morning? I have a lot of work to do. —No, you . You may be back in the afternoon. A. mustn't B. can't C. don't have to ( )6.All the students know cheating in the exam is not allowed. A. need B. may C. must D. can ( )7. —Why do you so upset?

—Because I didn't get the first place in the English competition. A. look B. sound C. smell D. feel ( )8. We need clear air and water, so we protect the environment

A. can B. may C. must D. might

( )9. —Good morning. I'd like a birthday gift for my mother.

—What about this scarf? It is beautiful and it soft and smooth. A. feels B. looks C. seems D. becomes ( )10.—The oranges sweet.

—Of course. They are from Yongxing, Chenzhou. A. taste B. eat C. drink ( )11. —Would you like to try some pizza? —Yes, please. It lovely and nice.

A. sounds; sees B. hears; turns C. looks; smells D. sounds; watches

( )12. When spring comes, trees begin to green.

A. sound B. taste C. keep D. turn

( )13. —Must I go to a law school and be a lawyer like you, Dad? —No, you . You are free to make your own decision. A. can't B. mustn't C. shouldn't D. needn't ( )14. —Must we finish the work today?

— . We have something else to do tomorrow. A. Yes, we can B. No, we can't C. Yes, we must D. No, we needn't

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( )15 .Students enjoy the colorful school life if they study at home instead of going to school.

A. mustn't B. can't C. must D. can

( )16. A good friend is someone you share your pleasure and pain with.

A. ought B. need C. can D. must

( )17. —What's wrong with Judy? She has been absent for two days. —Oh, she be ill. Let's go to ask Mr. Green

A. may B. need C. would

( )18. Rock music sound popular with the young, but it's not the favor of the aged people.

A. must B. need C. should D. may ( )19.—Listen! I think it be Mr. White singing in the office.: —No. It be him He left for London just now.

A. must; mustn't B. may; mustn't C. must; can't D. can; can

( )20.—What will the weather be like tomorrow?

—It be rainy, cloudy or sunny. Who knows?

A. must B. might C. should D. can't

( )21.He speak English very well although he has studied it for only one year. A. mustn't B. can't C. must D. can ( )22. —We've got everything ready for the picnic. —Do you mean I bring anything with me?

A. can't B. mustn't C. couldn't D. needn't ( )23. It's getting dark. You'd better out by yourself. It's dangerous. A. not go B. not to go C. to go ( )24.—Excuse me, is this the right way to the Children's Palace? —Sorry, I'm not sure. But it be.

A. mustn’t B. might C. can't D. must

( )25. —Mom, I play the computer game for a while? —I'm afraid you have to finish your homework first.

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A. must B. need C. will D. may

( )26. —Many people play with mobile phones all day instead of reading books. —That's too bad. Everyone be a book lover. Reading is more enjoyable.

A. may B. should C. would

( )27. —Let’s go climbing, shall we?

—You be joking! Don't you know I'm afraid of high places? A. must B. can C. may D. should ( )28. —3-D printing could be used to build a house in less than 24 hours. —It amazing. It's my first time to get to know this. A. sounds B. smells C. tastes ( )29 —Hi, you walk on the grass. —Sorry, I do it again.

A. can't; will B. needn't; won't C. mustn't; won't ( )30. —You look very pretty, if I say so. —Thanks a lot for saying that.

A. must B. may C. will D. have to

( )31.Yang Jiang be the boy's favorite writer. He has written a lot to praise her.

A. can't B. mustn't C. must D. need

( )32. —Look! Why are there so many people?

—There are some policemen. I think there a traffic accident. A. must have B. can have

C. is going to be D. must be

( )33. —Could I smoke here?

—Sorry. I am afraid you . Look at the sign \！ A. couldn't B. needn't C. can't D. won't ( )34. —Mom, I play football this afternoon? —Sure, but you finish your homework first. A. may; could B. can; must

C. can; mustn't D. may; can't

( )35. The girl in the classroom be Sarah. She has gone to the library.

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A. may B. must C. can’t D. needn’t

参考答案1～5：C、D、C、A、C 6～10：C、A、C、A、A

11～15：C、D、D、C、B 16～20：C、A、D、C、B 21～25：D、D、A、B、D 26～30：B、A、A、C、B 31～35：C、D、C、B、C

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