高中英语巩固练习 情态动词ought to教案

巩固练习

选择适当的情态动词

1.According to the school rule, you ______ walk through the school gate without permission. (mustn't/ needn't)

2.There was a lot of fun at yesterday's party. You ______ e. Why don't you? (should/ought to have)

3.Mother is out. I will ______ stay at home to look after my younger sister. (have to /must)

4.He is from an English speaking country, so he ______ speak English well. ( can /may)

5.Finally they ______ escape from the burning building. (were able to / could)

6.The skyscraper was built on what ______ be a wasteland. (would/ used to)

7.I can't believe that! How ______ he be so rude like this! (would/should)

完成下面A、B两项练习

A. ought to

1. He ought to help his brother work out the problem. (改成否定句)

___________________________________________________________

2．Tom ought to go to have a rest. （改成一般疑问句）

______________________________________________________________

3．Such things ought to be done at once, _____________？（反意问句）

B. 用must, have to, can, ought to, used to和be able to 的适当形式填空。

1. In some parts of the world, you ______boil the water before drinking it.

2. The bus caught fire seriously, but the passengers ????______escape from it.

3. He ______have stayed at home this morning. I saw him shopping in another city.

4. You ______ smoke in this part of the hospital.

5. You ______keep a simple first aid box at home for any accidents.

6. If she is pletely well, she ______be back at school today.

7. My father ______be a heavy smoker, but now he has given up the habit.

8. ------You ______have finished the article. The deadline is last Friday.

------Sorry. I have been busy these days. Could you give me 3 days more?

9. She ______ breathe, so I used the mouth-to-mouth way.

10. He ______have caught a bad cold last night, for his forehead felt burning.

单项选择

1. —How's your tour around the North Lake? Is it beautiful?

—It ________ be, but it is now heavily polluted.

A. will

B. would

C. should

D. must

2. —Guess what! I have got A for my term paper.

—Great! You ______ read widely and put a lot of work into it.

A. must

B. should

C. must have

D. should have

3. The teacher _______have thought Johnson was worth it or she wouldn't have wasted time on him, I suppose.

D. must

C. would A. should B. can

4. In crowded places like airports and railway stations, you___ take care of your luggage.

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

5. My MP4 player isn't in my bag. Where I have put it?

D .would

C .should

B .must A. can

6. The biggest problem for most plants, which ________ just get up and run away when threatened, is that animals like to eat them.

A. shan't

B. can't

C. needn't

D. mustn't

7. —She looks very happy. She ______ have passed the exam.

—I guess so. It's not difficult after all.

A. should

B. could

C. must

D. might

8. —Where is my dictionary? I remember I put it here yesterday.

—You it in the wrong place.

A. must put

B. should have put C .might put D. might have put

9. As a result of the serious flood, two-thirds of the buildings in the area .

A .need repairing B. needs to repair C. needs repairing D. need to repair

10. I told your friend how to get to the hotel, but perhaps I have driven her there.

C .night D. should

A. could

B .must

11. The boss has given everyone a special holiday, so we go to work tomorrow. A．can't B．mustn't C．needn't D．shouldn't

12. —What does the sign over there read?

—“No person ___ smoke or carry a lighted cigarette，cigar or pipe in this area．”A．will B．may C．shall D. must

13. —My cat's really fat.

—You ______ have given her so much food.

A. wouldn't

B. couldn't

C. shouldn't

D. mustn't

14. —What do you think we can do for our aged parents?

—You ________ do anything except to be with them and be yourself.

A. don't have to

B. oughtn't to

C. mustn't

D. can't

15. —Turn off the TV, Jack. ____ your homework now?

—Mum, just ten more minutes, please.

A .Should you be doing B. Shouldn't you be doing

C. Couldn't you be doing

D. Will you be doing

16. When I was young, I was told that I ______ play with matches.

A. wouldn't

B. needn't

C. mustn't

D. daren't

17. According to the air traffic rules, you __ switch off your mobile phone before boarding.

A. may

B. can

C. would

D. should

18.—You ought to have called her yesterday . —Yes , I know I ____ .

A．ought to B．ought to have C．ought have done D．ought to have called

19. Why did you keep it a secret from me ? I ____ about it .

A．should be told B．ought to have been told