典型例題

① ---Could I borrow your dictionary?

　 ---Yes, of course, you____.　

　 A. might　B. will　 C. can　 D. should

答案C。 could表示語氣的委婉，并不表示時態(tài)。答語中的of course，表示語氣的肯定，允許某人做某事時，用can和 may來表達，不能用could或might。

【注意】 will 與you連用，用來提出要求或下命令。should與you 連用，用來提出勸告。

② ---Shall I tell John about it?

　 ---No, you ___. I've told him already.

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

答案A。needn't 不必，不用。 wouldn't 將不, 不會的。 mustn't 禁止、不能。 shouldn't　不應該。本題為不需要，不必的意思，應用needn't。

情態(tài)動詞基礎訓練

1. ---Shall I tell John about it?

---No, you ______. I've told him already.

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

2. ---There were already five people in the car, but managed to take me as well.5Fr

  ---It ______ a comfortable journey.

  A. can't be    B. shouldn't be     C. mustn't have been    D. couldn't have been

3. ---Why didn't you come to see me?

  ---I ______, but I was too busy yesterday.

  A. like to         B. should like to     C. would like to have        D. am going to

4. You can't imagine that a well-behaved gentleman ______ be so rude to a lady.

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

5. There was plenty of time; she ______.

  A. mustn't have hurried               B. needn't have hurried

  C. may not have hurried               D. wouldn't have hurried

6. ---Is John coming by air?

  ---He should, but ______ not. He likes taking trains.

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

7. ---______ it be Li Ping who broke the glass?

  ---No. It ______ be Wang Hai who did it.

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

8. When the old man was alive, he ______ sit for hours at the door.

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

9. Jack, you ______ play with the knife; you ______ hurt yourself.

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

10. I've decided to take the job and I ______ change my mind.

  A. mustn't           B. can't            C. won't                    D. may not

11. She ______ into the thick forest alone on such a dark night

  A. dares not go         B. dares not to go    C. dare not to go       D. doesn't dare to go

12. My parents never remember my telephone number, and they always ______ look it up.

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

13. ---Where is Jack? I can't find him anywhere.

   ---He ______ his homework upstairs.

  A. might have done      B. must have done    C. might be doing      D. must do

14. He ______ you more help, even though he was very busy.

  A. might have given      B. might give  |  C. may have given         D. may give

15. ---If he ______, he ______ that food.

   ---Luckily he was sent to the hospital immediately.

  A. was warned; would not take         B. had been warned; would not have taken

  C. would be warned; had not taken     D. would have been warned; had not taken

16. ---I hear you've got a set of valuable Australian coins. ____I have a look ?　　   

---Yes, certainly. (2002春招)

A. Do           B. May     C. Shall       D. Should

17. -When can I come for the photos? I need them tomorrow afternoon. (NMET98)

　  -They          be ready by 12:00.

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

18. I___ such a mistake again.

A. will never make      B. shall never make   C. can never do     D. need never do

19. He began to write two hours ago. He ______ have finished the article now.

  A. must          B. ought            C. would              D. had to

20. Looking at my determined face, the big boy ______ pick up the fight.

  A. dares not    B. dare not      C. doesn't dare        D. dares not to