新人教版必修三 Unit 1 Festival around the world[语法情态动词

Grammar Structures for Unit 1 Book III

Modal verbs（情态动词）

教师寄语：Just put one foot in front of the other and God will do the rest.

may / might, can / could, will / would, shall / should, must / can的用法。

1. may 与might的用法

3. will与would的用法

5. must, may (might) 和can表示“推测”的用法

跟踪练习

I. 单项填空：

1. Write in simple English in order that everybody ______ understand you.

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

2. --- Better not have the operation right now.

--- ________.

A. I mustn’t B. I shouldn’t C. I won’t D. I can’t

3. The train was ten minutes late, so I ______ have run all the way from my house to the station.

A. couldn’t B. shouldn’t C. needn’t D. mustn’t

4. I’m not going simply because I don’t see why I _______.

A. will B. would C. should D. shall

5. --- It must be Mr. Li who did it.

--- No, it _____ be Mr. Li.

A. mustn’t B. can’t C. wouldn’t D. may

6. --- It’s getting cloudier and cloudier.

--- Yes, I’m afraid it ______ be raining soon.

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

7. I promised to get there before 5 o’clock, but now the rain is pouring down. They _____ for me impatiently.

A. mat wait B. ought to wait C. could wait D. must be waiting

8. --- ______ you make so much noise?

--- Sorry, I’ll take care not to.

A. Must; B. Can C. May D. Would

9. On Sundays when I was a child, Father and I _____ get up early and go fishing.

A. could B. would C. might D. should

10. I ______ have written to him because he phoned me shortly afterwards.

A. ought to B. must C. couldn’t D. needn’t

11. --- _____ the plane have taken off on time?

--- I’m afraid not. The fog was too thick then.

A. Need B. Should C. Can D. Must

12. This looks like a different kind of stone. What _____ we do with it?

A. will B. shall C. would D. do

13. He has much money at the beginning of every month, but by the end of it he ____ little left.

A. can have B. will have C. should have D. need have

14. How _______ you say that you really understand the whole story if you have finished only

part of the article?

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

15. --- Mr .. Wang , I will go and fetch four chairs for the meeting . --- You ______ fetch four ,

A. won’t B. couldn’t C. shouldn’t D. needn’t

16. I lived with my sister this summer and didn’t have to pay the rent . So I _____ save most of

my salary.

A. was able to B. would C. might D. should

17. Bobby ____ me your secret , but he meant no harm.

A. shouldn’t have told B. should tell C. mustn’t have told D.. could tell

18. The Smiths went to the country for the weekend as they ___ to the office.

A. needn’t have gone B. mustn’t go C. may not go D. didn’t have to go

19. My parents never remember my telephone number , and they always ____ look it up.

A. should B. can C. have to D. must

20. If you ____ go , at least wait until the rain stops.

A.can B. must C. should D. would

21. --- The room is so dirty . ____ we clean it ? --- Of course.

A. Will B. Shall C. Would D. Do

22. ____ you like to have a walk with us this evening ?

A. Could B. Will C. Would D. Can II. 用适当的情态动词填空：

1. There is 20 minutes left. We _______ (not) have to be in such a hurry.

2. Where is my watch? I really can’t find it. Where _____ it be?

3. The doctor told the old man that he ______ avoid eating fat.

4. It’s too late. I think he ______ go to bed.

5. ______ you mind my troubling you with a few questions?

(Keys: 1. needn’t 2. can 3. should 4. must 5. Would )

(Keys: 1. A 2. A 3. C 4. C 5. C 6. B 7. A 8. D 9. A 10. B 11. D 12. C

13. B 14. B 15. D )

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