1 . 单句改错
1. When I was young, I daren’t to swim in the swimming pool alone.
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2. In my opinion, students don’t need pay more attention to their appearance.
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3. When Harry was at college, he will go to the reading room after supper every day.
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4. Martin hasn’t got in touch with me for ages. He mustn’t have got my new cellphone number.
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5. It was an easy test and he would have passed, but he didn’t.
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6. What is required in the regulations is that you mustn’t tell other people the password of your e-mail account.
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7. Might you have a good time.
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8. —Must I tell him the truth？
—No, you mustn’t.
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9. Engines should not run without lubricants(润滑油).
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10. If you make mistakes again, you should not take part in the match.
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2 . —It's so cold here! Why haven't you turned on your air-conditioner?
—Well, it ______ turn on.

A．shouldn't

B．can't

C．won't

D．shan't

3 . 选词填空

needn't,　　must,　　should,　　might,　　can't,　　may,　　can,　　could,　　will,　　would

1. He_____________have passed the exam; otherwise, he wouldn’t be so happy.
2. Tom_____________be watching TV now at home, for I saw him going shopping just now.
3. I_____________go on the trip with you, but I am not sure yet.
4. The film is so boring, and we_____________as well not go to see it.
5. The World Wide Web is sometimes jokingly called the world wide wait because it _____________be very slow sometimes.
6. It is known to us all that oil_____________float on water.
7. I_____________have come here in time, but I met an old friend of mine. I stopped and talked with him for some time.
8. You failed again; you _____________work hard from now on.
9. It is not cold today; I_____________have put on the coat.
10. When he was young, he _____________play football after school.

4 . 语法填空（用方框内所给情态动词完成下面的句子）

1. Why are there only 12 tickets left? There _____________be 15.
2. A well-trained person _____________hold his breath under water for more than two minutes.
3. What's the matter with my computer? It _____________not work!
4. The situation there was still unclear, and my son _____________be in trouble though I was not quite sure.
5. He _____________not be serious, but is just joking.
6. He _____________be sleeping in the dormitory. You can find him there.
7. The witness was under strict protection, and no one but the police _____________get close to him.
8. What _____________we do if we come across such a person?
9. Since you have finished your work, you _____________go now.
10. When the weather was fine, he_____________ keep his wife company along the river bank.

5 . —What’s wrong with the door?
—The key has got stuck in it and ______ come out.

A．shouldn’t

B．mustn’t

C．needn’t

D．won’t

6 . —It’s so hot and uncomfortable here! Why are your windows still closed?
—Oh, I’m not to blame. They ________ open.

A．shan’t

B．mustn’t

C．won’t

D．wouldn’t

7 . You _____never work too hard in learning a language. That’s what it takes to learn a language well.

A．must

B．can

C．will

D．may

8 . 单句语法填空
1. When he was there, he__________go to that coffee shop at the street corner after work every day.
2. —Take a taxi;__________you won’t get the airport in time.
—OK, I will. See you!
3. Just be patient. You__________count on your English improving significantly in just two weeks.
4. __________you succeed in passing the college entrance examination!
5. The date of the wedding needs__________(determine) in advance so that we can invite our guests.
6. If you need help — money or anything, let me know,__________you?
7. Their plan__________(approve); otherwise they wouldn’t have begun their work.
8. “You__________have a wrong number,” she said. “There’s no one of that name here.”
9. I__________(will) allow my children to come back late. It’s too dangerous.
10. —How’s your new babysitter?
—We__________(ask) for a better one. All our kids love her so much.

9 . 语法专练：用Will或be going to的适当形式填空
1. —Jack is ill.
—Oh, really? I didn’t know. I __________ go and visit him.
2. Tom is busy now and he __________ write a letter tonight.
3. Let’s keep to the point or we __________ never reach any decisions.
4. Dark clouds are gathering. It __________ rain.
5. My uncle __________ be forty on his next birthday.
6. If you __________ make a journey, you had better get ready for it as soon as possible.
7. We cannot always do as we __________ and we must obey the rules.
8. We __________ have a meeting to discuss the matter this evening.
9. This __________ be the book you are looking for.
10. How pale that girl is! I am sure she __________ pass out.

10 . 用适当的情态动词填空：
1. You’ve been working all day. You ______ be very tired.
2. ( The door bell rings) I wonder who that is. It _____be Lisa. She’s still in the library at this time.
3. It is a long time since we met last time. You ________come and see us more often.
4. I haven’t decided where I’ going for my holidays. I ________go to Australia.
5. My father’s birthday is coming. What_________I get him?
6. Why don’t you try on this dress? It ____________look nice on you.
7. “who was the man talking with your teacher?” “I’m not sure. I _____be her brother.”
8. I don’t know when the guests______________be here. They_________arrive at any time.