Grammar and usage(1): Modal verbs: general introduction含PPT的教学设计及点评

江苏省郑集高级中学2018届高一第二学期英语导学案

编制人: 刘诗维

审核人：王芳

导学案23

Module 4

Unit 2 Grammar（1）

Learning Aims 1) To learn the uses of modal verbs. 2)To improve students’ ability of language application.

Learning focus:

To introduce the uses of commom modal verbs.

Learning methods: individual work and cooperative learning Learning Procedures Personal notes

Step 1:

Daily report

Step2. Preparation before class:

Read and analyze the sentences.

1.

He can run 100 meters in 11 second.

2.

You must work hard to win the gold medal. 3.

--- Can I watch the Olympics?

--- Yes, you can. / No, you can’t.

4.

Can you help me with my training?

5.

Shall we do some exercise this morning?

6.

Shall I get a ticket for you?

7.

You should not/ought not to eat a lot before swimming.

8.

She could win the gold medal.

9.

The boys may be playing football on the playground.

10.

He plays basketball very well. He must have practiced it a lot.

Step3. Guidance and activities I．（一）can/could

1 .能力

(1) He can run the 100m sprint in 11 seconds.

(2) Can this little girl read before she goes to the primary school?

2. 可能性

can 用于肯定句表示理论上的可能性，

译为“__有时会，往往会______”

–It is warm and I am just wearing a shirt today.

-- But the weather here can change.

The World Wide Web is sometimes jokingly called the World Wide Wait because it can be

very slow.

Making choices can be difficult, especially when there is no one to turn to for advice.

(2)--

Someone is knocking at the door. Can it be Tom?

-- It __________

be Tom. He has gone to Beijing.

A. mustn’t

B. shouldn’t

C. can’t

d. couldn’t

3.请求

征求许可

向对方请求许可

Can/Could/ May/Might I ……

肯定回答

Yes, you can

_________________

否定回答

No, you can’t /may not/ mustn’t/ you’d better not

-- Could you lend me your book?

-- Certainly, I can.

--Could I be kept informed to whatever happens? -- Yes , you ___________.

A. might

B. can

C. would

D. are able to 4.

用于疑问，感叹句中表示惊异、怀疑、不相信的态度

How can you say that you really understand the whole stoty if you have covered only Don't worry too much about the ambiguous future; just make the effort for the explicit present. 不为模糊不清的未来过分担忧，只为清清楚楚的现在奋发图强。

江苏省郑集高级中学2018届高一第二学期英语导学案

编制人: 刘诗维

审核人：王芳

part of the article.

How can you expect to learn anything when you never listen? 5.

用于固定句型

cannot/ couldn’t （help/choose）

… but do

只好，不得不

The people couldn’t but submit to the new rulers when they lost the war.

cannot/ couldn’t (can/could never) + 形容词副词比较级

表示肯定，最高级的概念

cannot (never)…… enough/ too much

无论怎样也不为过，越…越好

You cannot pay too much attention to your reading skill, for it is that important.

–

Mom’s gift ? She couldn’t have chosen a better one for me .

-- She must be very happy to know it. can / be able to can表示可能性时，指的是理论上的可能，它通常不用来表示某事实际发生的可能性或真实性。

Accidents can happen.

Anybody can make mistakes．

在过去时态的肯定句中需要某种条件或努力做成某事，我们要用was／were able to而不能用could。

It was a holiday and the children were able to go to the seaside．

The girl worked hard so she was able to pass the final test．

I’m sorry I haven’t been able to play tennis with you recently. (二) may / might 1) 可能性

She may not be free today.

She might come to see you this evening.

2) 请求和许可

May/Might I……?

-- May I go and play with Dick this afternoon, Mum?

--No, you can’t go out as your work is being done.

can / could / may / might

在语气上could比can 更委婉，might比may 更委婉

—Can I watch the Olympics ? —Yes, you _can________ . / No, you _can’t_______.

—May I watch TV after finishing my homework? —Yes, you__may______.

( No, you __mustn’t________ / No, you __may not________. / No, you’d better not__________.)

3) 表示祝愿

May you have a good time May you succeed. 4) (特定句型)让步

Try as he may，

he can’t find her.

5) 建议may/might

well do 完全有理由

may/might as well do 最好，不如

Our holidays were ruined by the weather; we might just as well have stayed at home. Liza may well not want to go on the trip—she hates traveling. （三）must 1)

表示必须

必要

You must come to school early. In crowded places like air ports and railway stations , you must take care of your luggage. mustn’t 表示禁止

不准

You mustn’t talk to your father like that.

Don't worry too much about the ambiguous future; just make the effort for the explicit present. 不为模糊不清的未来过分担忧，只为清清楚楚的现在奋发图强。

江苏省郑集高级中学2018届高一第二学期英语导学案

编制人: 刘诗维

审核人：王芳

When I was young , I was told that I mustn’t play with mathes.

2）

表示肯定推测

The old man must be our history teacher.

The lady can’t be 30; she must be 50.

must do

对一般现在或将来进行推测

must have done

对过去完成的动作推测

could 多用于否定或疑问

must 用于肯定或疑问

can

多用于肯定句

can / could not 不可能

may / might not 可能不

1– How come you were late this morning ?I ______ off the alarm clock and fall asleep ○again. A.

must turn

B. must have turned

B.

C. should have turned

D. might have turned 2—Has the doctor arrived yet?

-- No, but she _______ an hour ago . ○A. must have come

B. ought to have come

C. should come

D. might come

3—-I heard they went skating in the mountains last winter. ○

----It ______ true because there was little snow there.

A. may not be

B. won’t be

C. couldn’t be

D. mustn’t be

3) 表偏偏，偏要，指发生与说话人的愿望相反或令人不愉快的事情或表示一定要

Naturally, after I told her what to do, my daughter must go and do the opposite.

I’m sure he didn’t do anything to offend you, so why

must

have such strong emotions for him?

Must

you tell her the facts? If so, I’m afraid she will get more hurts.

Apologize! ________ I? It was all her own fault.

A. May

B. Shall

C. Should

D. Must

have to / must must与have to都可以表示“必须”的意思，但要注意以下两点区别。

1) must只有现在时，而have to有现在时、过去时和将来时。

We must work hard, or we’ll fail in the examination．

Two years ago, the poor girl had to leave school for lack of money．

2) must表示主观看法，have to则侧重于客观需要。如：

We must be strict with ourselves in everything．

In cities with many cars, some people have to wear masks．

（四）will/ would 1）

表示将来

He will come tomorrow. 2) 表示意愿

意志

决心

用于各种人称。

I will do anything my country asks me to do. If you will listen, I will tell you how to deal with the problem. 3) 用于第二人称

表示征求对方的意见

或向对方的请求。

Will you give this note to Tom? 4）

表示现在的倾向或习惯

Fish will die without water. Plants will die without the sun. Water and fire won’t mix.

The door won’t open.

He will sit there hour after hour looking at the traffic go by. He would come to see me when he was in Beijing. 表示习惯时,would表示过去的习惯

He would go for a walk every evening when he stayed at the hotel.

Don't worry too much about the ambiguous future; just make the effort for the explicit present. 不为模糊不清的未来过分担忧，只为清清楚楚的现在奋发图强。

江苏省郑集高级中学2018届高一第二学期英语导学案

编制人: 刘诗维

审核人：王芳

5) 用于征求意见或请求时，would比will更委婉客气些

Would you mind explaining it again? 6).表许诺- ---Daddy, would you but me an MP3 player

if I do well In the first city-wide examination? ---I will, I promise 7)总是，好，就

–-- Jackie says she can’t help because she’s got a lot of work on .

---- Well, she _____ say that – she always uses that excuse.

A. should

B. may

C. can

D. would

Step 4 Consoidation 1. How ___ you say that you really understand the whole story if you have covered only part of the article?

A. can

B. must

C. need

D. may 2. My English-Chinese dictionary has disappeared. Who ___ have taken it?

A. should

B. must

C. could

D. would 3. —I hear you’ve got a set of valuable

Australian coins.___ I have a look?

—Yes, certainly. A. Do

B. May

C. Shall

D. Should 4. I was really anxious about you. You

___ home without a word.

A. mustn’t leave

B. shouldn’t have left

C. couldn’t have left

D. needn’t leave 5. —Are you coming to Jeff’s party?

—I’m not sure. I __ go to the concert

instead.

A. must

B. would

C. should

D. might

6. Sorry, I’m late. I ____ have turned off the alarm clock and gone back to sleep again.

A. might

B. should

C. can

D. will 7. The fire spread through the hotel very quickly but everyone ____ get out.

A. had to

B. would

C. was able to

D. could 8. When he was there, he ___ go to that coffee shop at the corner after work everyday.

A. would

B. should

C. had better

D. might 9. Just be patient .You ______ expect the world to change so soon .

A. can’t

B. needn’t

C. may not

D. whether

10. —I haven’t got the reference book yet, but I’ll have a test on the subject next month.

—Don’t worry. You______ have it by Friday.

A. could

B. shall

C. must

D. may

11. ---May I take this book out of the reading room?

---No, you ______.

You read it in here.

A. mightn’t

B. won’t

C. needn’t

D. mustn’t

教后反思：

Don't worry too much about the ambiguous future; just make the effort for the explicit present. 不为模糊不清的未来过分担忧，只为清清楚楚的现在奋发图强。

江苏省郑集高级中学2018届高一第二学期英语导学案

编制人: 刘诗维

审核人：王芳

Don't worry too much about the ambiguous future; just make the effort for the explicit present. 不为模糊不清的未来过分担忧，只为清清楚楚的现在奋发图强。