Learning about Language国家优质课一等奖

Teaching design

-------- Grammar

教学内容：人教版普通高中课程标准实验教科书

课 型：语法课（Modal Verbs）

Teaching aims:

1. Enable students to improve their listening skills and grasp the grammar laws. 2. Enable students to understand the laws of grammar points and use them correctly. 3. Arouse students’ interest to learn English well and love their homeland. Emphasis:

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can/could, may/might, must, shall/should, will/would 2. Use them to express themselves Difficulties:

1. Help the students to understand the laws of modal Verbs. 2. Help the students to know how to analyze complicated sentences. Teaching methods: task-based methods, discussing. Teaching aids: a tape recorder, a projector and a computer. Teaching procedures: Step I Presentation 例句快速导入情景，引发学生对比和思考。

T:As for Modal verbs, you must be familiar with it. So can you give me a sentence including a modal verb? S1: I can fly. S2: I can read. T: Fantastic. So can you give me the definition of modal verbs? S3:Read it out according to the material. T: Very good. And then we will get down to some Modal Verbs today. Step Ⅱ

Teaching Procedures 复习比较情态动词用法，激发学生联想能力。

Task 1.Review and compare a structure of modal verbs.(情态动词+have done)

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Task 2. Give an total introduction of Modal verbs.(discussion)

词性

must will would should ought to can could may might 肯定式

必定，必然

很可能，大概

可能性比will小

确定或可能有的未来或期待

/ 可疑的可能

或许，也许，也未可知，也说不定

比may还弱

否定式

/ 不会，不该

语气比won’t弱

/ 不可能

不可能

可能不

比may not还弱

疑问式

/ 会……吗？

语气比will弱

/ / 有可能吗

语气比can弱

/ / 总应该，理应（含义同should）

/

Task3. Teaching

procedures. Get the Ss to read the background of Modal Verbs on the materials.

They can discuss with their partners. Then ask the Ss to pay attention to the first group. Encourage the Ss to read sentences aloud. If they don’t know any, tell them some.

T: Now please look at the slide show. And figure out the usage and meanings of can/could. Are you clear? Ss: Yes, Sir/Madam. can/could (1)表示能力

He can play table tennis quite well. (2)表示许可/允诺

---Can/Could Tom use the car? ---Yes, he can.

You can have my seat. I am going now.

T: Now who’d like to make a sentence? Volunteer! S1: Let me try. I can fly. T: Can you make up another one? S1: Sorry, I can’t remember clearly.

T: encourages students to express themselves freely . 2

(3)表示事物一时的特征, 理论上的可能性

It’s always warm here, but sometimes it can be very cold.

Even an experienced teacher can make mistakes. (4) 表示推测，惊讶(疑问句、否定句)

---Someone is knocking at the door. Who

can it be? Can it be Scarlet? ---No, it can’t be her. She called from Tokyo just now. He can not have forgotten it.

may/might 1)表示请求、许可

---May/Might I come in? ---Yes, you

may/can. --- No , you can’t/mustn’t.

2)表示对现在/过去的推测（肯定句、否定句）

It’s so late. I think he may/might have gone to bed. You might have given him more help, but why didn’t you?

3) 表示祝愿(祈使句)

May you succeed! May you be happy! must 1. 必须

Must we hand in our homework today？

Yes, you must. / No, you needn’t. (you don’t have to)

You must see a doctor. 2. 表示

“禁止”(否定句)

You mustn’t play with fire.

You may hurt yourself. 3. 表示推测

“肯定,准是”

（肯定句）

It must have rained last night. The ground is so wet. 4. 表示“偏偏,硬要”

If you must smoke, please go out.

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Shall/should

Shall (1)Shall用于

一,三人称疑问句，表示征求意见

Shall we do the homework together? I shall have finished my homework by Friday. (2) shall用于二，三人称陈述句表示命令，警告，允诺，威胁等

you shall fail if you don’t work harder.

He shall be punished. (3) Shall 用于第三人称，表示法律条文中的规定。

This law shall have effect in Scotland. should (1)用于表示义务或责任（ought to）

You shouldn’t drink and drive.

(2)用于表示劝告或建议

He should stop smoking. They should have called the police. (3)用于表示推测“按道理应当”（肯定句）

If I was asked to work on Sundays , I should resign. We should move to a larger house if we had the money. 表示要求,建议,命令,请求的从句: It is suggested/ advised/ commanded/ ordered/required/ requested/proposed that sb. should do sth. Sb. suggest/advise/…that sb should do sth.

My suggestion/advice is that sb should do He put forward the suggestion that…

Will /would will 做助动词

:表示单纯的将来

“将”

He will be home at six.

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做情态动词: (1) 用于第二人称，表请求建议。（疑问句）

Will you come to my office after class?

(2) (表示意志、意愿)愿,要

You will come, won’t you?

(3) (表经常性、习惯性)总会,总是，注定会These things will happen.

Oil will float on water.

助动词: (will的过去式,表示过去将来时)将

She said she would come.

Would 情态动词:

1. (表示意志)愿,要;偏要

It’s raining outside, but he would go out.

2. (表示过去的习惯)总是,总会

He would sit silent for hours.

3. (表示推测)大概,会

I think he would accept the invitation.

Task 4 Discussion 小组讨论，体会不同情态动词表推测的用法。

表示推测的情态动词层次比较

注：would, could, should, might表示可能性弱于它们相应的现在时形式。

This can’t be done by her. 这不可能是她干的。

This may not be done by her. 这可能不是她干的。

Can this be done by her? 这可能是她干的吗？

This could /may /might be done by her.这件事有可能是她干的。（注意语气依次递减）

He should be around fifty years old.他可能50岁左右。

He ought to be home by now.他现在该到家了。

高考实例：

------Isn’t that Ann’s husband over there? ------No, it_____ be him.

I’m sure he doesn’t wear glasses. A.

can’t

B. must not

C. won’t

D. may not B.

解析：can’t表示不可能；must not表示禁止；won’t表示不愿或不会；may not表示可能不。根据语境及答语中的“I’m sure”，表示答话的人肯定那不是Ann的丈夫。另外，表示推测时，can常用在问句和否定句中表示可能性。

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Task 5 test 1. I don't know where she is. She ______ be in Wuhan. 2. At this moment, our teacher _______ our exam papers. 这时，我们老师想必在批改试卷。

2.

The road is wet. It ______ last night. (rain) 4.

Peter ___ come with us tonight, but he isn’t very sure yet.

A. must

B. may

C. can

D. will 5.

Michael ___ be a policeman, for he is much too short. A. needn’t

B. can’t

C. should

D. may

6. ---There were already five people in the car, but they managed to take me as well.

----It ____a comfortable journey

A. can’t be

B. shouldn’t be

C. mustn’t have been

D. couldn’t have been

7. Where is my pen?

I ____it.

A. might lose

B. would have lost

C. should have lost

D. must have lost 8. I didn’t hear the phone. I ___asleep

A. must be

B. must have been

C. should be

D. should have been answers：BBCDB

StepⅢ

Summary Sum up the usages of the five groups of modal Verbs. StepⅣ

Homework

Write a short composition about how to learn English well , using as many as Modal Verbs as you can.

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