情态动词是英语语法中的重点语法，以下是情态动词专项练习，请大家认真练习。

1. Peter ________come with us tonight, but he isn’t very sure yet.

A. must  B. can C. may D. will

2. — Could you borrow your dictionary?

— Yes, of course you ________.

A. might B. will C. can D. should

3. A computer ________think for itself, it must be told what to do.

A. can’t B. couldn’t C. may not D. might not

4. I didn’t hear the phone, I ________asleep.

A. must be B. must have been C. should be D. should have been

5. There was plenty of time, she ________.

A. mustn’t have hurried B. couldn’t have hurried C. must not hurry D. needn’t have hurried

6. The plant is dead. I ________it more water.

A. will give B. would have given C. must give D. should have given

7. Very loud noises ________make people ill, hurt their ears, or even drive them mad.

A. must B. need C. can D. should

8. He asked me for the dictionary many times; please tell him that he ________have it tomorrow.

A. must B. need C. may D. dare

9. — Why is she still standing there?

— She ________be waiting for her boyfriend.

A. can B. must C. dare D. need

10. Two eyes________ see more than one.

A. can B. must C. might D. shall

11. What ________he mean? ________you tell me?

A. can; May B. can; Can C. may; May D. must; Should

12. How ________he say that his teacher was unfair?

A. must B. might C. could D. need

13. It ________be very cold in this part.

A. can B. ought C. shall D. dare

14. I’d like to ask a question if I ________.

A. must B. will C. may D. might

15. Even in summer the temperature ________suddenly drop below freezing.

A. might B. ought C. must D. need

16. He decided to join the army so that he ________defend the country.

A. may help B. might help C. helps D. helped

17. You ________always be talking like that.

A. mightn’t B. mayn’t C. can’t D. mustn’t

18. The car ________have broke down just when we were about to start off.

A. must B. could C. might D. should

19. You ________see him while he is in hospital.

A. have better B. had better C. would rather D. had to

20. There is a fine sunset; it ________to be a fine day tomorrow.

A. ought B. should C. has to D. has better

21. You are his father, you ________take care of him.

A. might B. ought C. ought to D. are able to

22. That’s all. It ________be talked about any more.

A. needn’t B. mightn’t C. darn’t to D. needn’t to

23. The question ________discussing.

A. needs B. need C. can be D. must be

24. He ________even look out of the window.

A. daren’t B. daresn’t C. dared not to D. dares not

25. I’m so hungry that I ________find something to eat.

A. have to B. would C. may D. can

26. All the students ________do their best for the modernization of our country.

A. can B. should C. may D. might

27. You ________be careful with your homework.

A. must B. have to C. may D. are used to

28. It is getting darker. You ________not go home.

A. had better B. have better C. would rather D. would like

29. I ________what happened to our school.

A. would like know  B. would like to know

C. would like knowing  D. would like that I know

30. — Would you mind my changing the plan?

— ________.

A. Oh, no, please B. Yes, I mind not C. No, I would D. Yes, I will