3.“_______they answer the queation in Russion?”“No, they________.”

2.It’s time for class. You________stop plalying football, or you_______be late for school.

1.“________I leave school now?”“No, you_______clean the classroom.”

20.-What do drivers do when the traffic lights turn red?

　 -They______stop and wait till the green light.

A.must　　 　　C.may　　 D.need

(二)根据语境用适当的情态动词填空：

19.-Listen!Helen is singing in the next room.

　 　-It_____be Helen. She has gone to Beijing.

’t　 B.mustn’t　 C.may　 D.should

18.-May I smoke here?

-No, you______! Look, there is a “NO SMOKING”sign here.

A.may　 B.may not　 C.needn’t　 D.mustn’t

17.-Would you like to drink some juice?

　 - Thanks._________,but I have drunk a lot if tea.

A.　　 I’d love to　 B.I think so　 C.I’m afraid not　 D. I don’t think so.

1. "__________ I take it out?"　 "I'm sorry, you __________." 　A. Could ...couldn't　 B. Might...might not　　　't 2. You were stupid to climb the tree. You __________ hurt yourself. 　A. may　 B. might　 C. will　 D. might have 3. You __________ those letters. Why didn't you ? 　A. should post　 B. should have posted　 C. must have posted　 D. would post. 4. All the lights are on, the Smiths __________ up. 　A. must get　 B. is getting　 C. must be getting　 D. would get 5. He __________ lead a horse to the water but he __________ not make it drink. 　　　 C. may...dares　 6. "Need we do this job now?"　　"Yes, __________." 　A. you need　 B. you should　 C. you must　 D. you can 7. __________ to have lunch with us today? 　A. Do you likes　 B. Would you like　 C. Will you liked　 D. Have you liked 8. He said that you __________ watch TV all the evening if you wished. 　A. may　 B. must　 C. can　 D. might 9. -Is John coming by train?　　 --He should, but he __________ not. He likes driving his car. 　A. must　 B. can　 C. need　 D. may 10. Peter __________ come with us tonight, but he isn't very sure yet. 　A. must　 B. can　 C. may　 D. will 11. Michael __________ be a policeman, for he's much too short. 　A. needn't　　B. can't　 C. shouldn't　 D. won't 12. I thought you __________ be hungry, so I have brought you some cakes. 　A. may　 B. might　 C. can　 D. could 13. Come on! We __________ hurry because there isn't much time left. 　A. may　 B. must　 C. can　 D. need 14. Amy did best in the English test. She __________ hard last week. 　A. must have working　 B. should have worked　 C. should work　 D. must work 15. ---I stayed at a hotel while in New York.　　

　---Oh, did you? You　__________ with Barbara. 　A. could have stayed　 B. could stay　 C. would stay　 D. must have stayed 16. It's nearly seven o'clock. Jack　__________ be here at any moment. 　 　A. must　 B. need　 C. should　 D. can

6.would 1)will的过去式，表示过去时间的“意志、意愿”。 They would not let him in because he was poorly dressed.　 他们不让他进去因为他衣着破旧。 I said I would do anything for you.　 我说过我愿意为你做任何事。 2)would用于现在时间，表示比较委婉地提出请求、建议或看法。 Would you like another glass of beer?　 再来杯啤酒好吗？ 7.need

1)need作为情态动词，主要用于否定句，疑问句；作为实义动词可用于肯定句，否定句或疑问句中。

You needn’t telephone him now.　 你现在不必打电话给他。

2)回答由need引起的问句时，肯定回答一般用must，否定回答是用needn’t

--Need I come?　--Yes, you must.　--我需要来吗？　--需要。

情态动词练习题

(一) 单项选择

4. should 1)表责任或义务，意为“应该”，用于各种人称。 You should be polite to your teachers.　 你对老师应该有礼貌。

2)表推测，意为“想必一定、照说应该、估计”等。 The film should be very good as it is starring first-class actors.　 这部新电影是一流演员主演的，估计拍得很好。 5.will

1)表意愿,用于各种人称。

I will do anything for you.　 我愿为你做任何事。

2)will在疑问句中用于第二人称，表示询问对方的意愿或向对方提出请求

Will you close the window?　 请你把窗户关上好吗？