Grammar and usage(1): Modal verbs: general introduction课堂实录【1】

M4U2 Grammar－Modal verbs

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Learning Aims: 1. Master the usage of some common modal verbs. Important and difficult points: 1. Know how to use them correctly. Learning procedures: 第一部分：自主探究

I. 识记短语

1. public transport 公共交通

2. be helpful for

对……有帮助

3. take a shower

洗澡，淋浴

4. get dressed

穿好衣服，穿上衣服

5. protect…from

保护……免受……

6. go winter swimming 去冬泳

7. per day

每天

8. a sports association

体育协会

9. grain products

谷物制品

10. daily routine

日常工作

11. go outdoors

去户外

12. play against

同……比赛

13. play leading roles in 在……起主导地位

14. be of use

有用的

15. good luck with

祝……好运

16. knock over

打翻；撞倒

17. be shaped like

像……的形状

18. become a big hit 变得大受欢迎

II. 归纳与总结（15个常见情态动词的基本用法和特殊用法）

情态动词是表示能力，义务，必须，猜测等说话人的语气或情态的动词。

序号

情态动词

基本用法

1、表示能力，could主要指过去时间；

2、表示可能（理论上或是逻辑判断上）；

1 can3、表示允许；

用于否定句、疑问句或感叹句中；

5、比较委婉客气地提出问题或陈述看法；

2 could may (might) might 见上面；

1、表示允许，might可以指过去时间，也可3 指现在时间，语气更委婉；

2、表示可能，might可以指过去时间，也可以指现在时间，但语气更加不肯定；

4 见上面；

1、表示义务、命令或必要，意为“必须”5 must （主观意志）；

2、表示揣测，意为“想必、准是、一定”等，只用于肯定句；

6 will 1、表示请求、建议等，would比will委婉第

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特殊用法

1、表示经过努力能够干某事用be able to；

（could）

4、表示惊异、怀疑、不相信等态度，主要

1、表示推测一般不用于疑问句；

1、mustn’t表示禁止；

2、表示和说话人愿望相反及不耐烦，意为“偏要”；

1、will表示功能，意为“能、

(would) 客气；

2、表示意志、愿望和决心；

行”；

2、表示习惯性、经常性、意为“总是，常常”；

1、would表示过去常常；

1、用于第二、第三人称，表示说话人给对方命令、警告、允诺或威胁等；

1、表示惊讶，意为“竟然”；

1、needn’t = don’t have to，意为“不必要”；

1、过去式是dared；

1、否定式是had better not do…；

1、否定式有两种：usedn’t to 或

didn’t used to；

7 8 would shall 见上面；

1、用于第一、第三人称疑问句中，表示说话人征求对方的意见或向对方请示；

1、表示劝告、建议、命令，意为“应该”；

2、表示可能性或推测，意为“该、可能”；

1、表示“需要”或“必须”，仅用于否定句或疑问句中；

1、表示“敢”，主要用于疑问句、否定句和条件从句中，一般不用在肯定句中；

1、表示责任，意为“应该”；

2、表示推测，意为“应当”；

1、意为“最好”，后接不带to的不定式；

1、表示过去的习惯动作或状态，现在已不存在；

1、意为“宁愿”，表示选择，后接不带to的不定式；

9 10 11 12 13 14 15 should need dare ought to had better used to would rather 小试牛刀

III. 请将划线部分的情态动词翻译成中文

1. Can you finish this work tonight?

2. How can you be so careless!

3. He may be very busy now.

4. Shall we begin our lesson?

5. He shall have the book when I finish reading.

6. How dare you say I'm unfair?

7. It's hot. Will (Would) you open the windows?

8. He must have received my letter now.

9. My brother was very ill, so I had to call the doctor in the middle of the night.

10. You mustn't tell him about it.

IV. 请用适当的情态动词完成下列句子

1. We

（能按时去那儿）tomorrow.

2. You

（必须遵守）the school rules. 第

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3. After such a long walk, you

（一定累了）.

4. You

（不必要上交）the paper this week.

5. The little girl

（不敢说话）in public. 6. He

（不可能在家）tonight.

7.—Must we hand in our exercise books today?

—

（肯定回答）. －

（否定回答）. 8. You

（不可能遇到我奶奶）. She died before you were born. 9. I

（应该给他回信）as soon as possible.

10. It’s so dark. I

（得回家）.

第二部分

达标测评

I. 单项填空

1. You ______ hand it in at once; you may hand it in tomorrow. A. needn't

B. may not

C. can't

D. must not 2.－That must be a mistake.

－No, it ______ a mistake.

A. must not be

B. needn't be

C. cannot be

D. would not be 3. You ______ go now. It's getting late.

A. had rather

B. would rather

C. had better

D. would 4. When I was a boy, I ______ chocolate.

A. would like

B. was used to like

C. should like

D. used to like 5. The kid is crying, for he ______ jump over the ditch（沟）.

A. dares not

B. dares not to

C. dare not to

D. doesn’t dare to 6. He began to write two hours ago. He ______ have finished the article now.

A. must

B. ought

C. ought to

D. had to 7. You ______ to the meeting this afternoon if you have something important to do.

A. needn't to come B. don't need come

C. don't need coming

D. needn't come 8. She ______ for yesterday's test, but she didn’t.

A. should have studied

B. would study

C. might be studying

D. must have studied 9.－Must we do it now? －No, you ______ .

A. won’t

B. needn’t

C. can’t

D. don’t

10. Put on more clothes. You ______ be feeling cold with only a shirt on.

A. can

B. could

C. would

D. must 11. It’s still early so you ______ .

A. mustn’t hurry

B. wouldn’t hurry

C. may not hurry

D. don’t have to hurry

12.—May I stop here?

— No, you ______ . 第

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4 页

A. mustn’t

B. might not

C. needn’t

D. won’t

13. The young man has made so much noise that he ______ not have been allowed to attend the concert.

A. could

B. must

C. would

D. should 14.—Will your brother stay home tonight? —I’m not quite sure. He ______ to the cinema tonight.

A. must go

B. can go

C. may go

D. may be going 15. I got up early that morning, but I ______ so because I had no work to do.

A. mustn’t have done

B. didn’t need to do

C. needn’t have done

D. can’t have done

16. I missed the last bus, so I ______ go home on foot.

A. must

B. have to

C. may

D. had to 17. Everyone ______ do his best for the modernizations of our country.

A. can

B. may

C. should

D. might 18.—Why does Mary know so much about Australia?

－She ______ have been there, or…

A. must

B. ought not to

C. might

D. can’t 19.－Need I tell this to Mr. Li?

－No, you ______ . It’s strictly between you and me.

A. needn’t

B. had better not

C. shouldn’t

D. mustn’t 20.—Is there a flight to Paris this evening?

－Three ______ be. I’ll phone the airport and find it out.

A. must

B. would

C. might

D. can 21.—I didn’t see her yesterday.

－Of course, you ______ , because she had gone on a trip.

A. can’t

B. may not have

C. can’t have

D. mustn’t have 22. We didn’t see him at the lecture yesterday. He ______ it.

A. needn’t have attended

B. couldn’t have attended C. mustn’t have attended

D. shouldn’t have attended

23.－Could I borrow your dictionary?

－Yes, of course you

.

A. might

B. will

C. can

D. should

24. —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 25. It's nearly seven o'clock. Jack

be here at any moment.

A. must

B. need

C. should

D. can

第

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