Grammar and usage(1): Modal verbs: general introduction优质公开课教案

Module 4 Unit 2 Grammar and usage Modal verbs

湖南省醴陵市第四中学

屈明华

Learning Objectives: By the end of this period, the students will: 

learn about the definition and usage of some modal verbs like can, will, shall and will;



master different usages of some common modal verbs; Learning Important and difficult points:

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Students will be able to master some important usages of modal verbs; 

Students will be able to use modal verbs correctly.

Learning methods: self-study, observation, cooperation

Class schedule: 2 periods

Learning procedures: Step I概况

1. 定义: 情态动词表示说话人对某一动作或状态的态度。 2. 特点: 本身具有一定词义,但不能单独做谓语；后一般接___________，没有人称和数的变化。否定句直接在情态动词后加not。疑问句直接把情态动词提到_________。

3. 情态动词的分类: a.只作情态动词的有: 必须_____; 能够______; 也许,可能_____; 应该_____; b.可作情态动词也可作行为动词的有: 需要_________, 敢于__________

c.可作情态动词也可作助动词的有: shall (should), will (would)

d.下列词也被视为情态动词：最好____________, 过去常常____________,

必须，不得不____________.

Step II基本用法

根据例句写出句中情态动词的用法

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can (could) 1. He is a four-year-old kid, but he can read.

表示__________ 2. Don’t throw the newspapers away. They can be useful.

表示__________ 3. Could you please lend me your computer?

表示__________ 4. It can’t be done by him.

表示__________

▲

may (might) 1. Might I use your pen?

表示__________ 2. He may come tomorrow, but I am not sure.

表示__________

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3. May you be happy!

表示__________ 4. Your doctor will ask you these questions, so you may/ might as well(不妨)have the information.

▲

must 1. You must obey the school rules.

表示__________ 2. The light is on. He must be at home.

表示__________ 3. Must you smoke here?

表示__________ 4. You mustn’t park here.

表示__________

▲

shall

1. Shall we begin our meeting?

表示__________ 2. Don’t worry. You shall have the tickets for the games.

表示__________ 3. You shall be punished if you continue to do like this.

表示__________

▲

will (would) 1. Will you go watching the game with me this afternoon?

表示__________ 2. People will die without water.

表示__________ 比较：I will go to visit Shanghai this summer vocation.

表示__________

▲

should / ought to 1. As students, you should/ought to work hard to achieve good grades.表示_________ 2. It is strange that he should have made such a mistake.

表示_________ 3. I insist that he (should) start off at one.

表示______

用于______语气中

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need “需要”

1. “Need I finish it today?”

“Yes, you must.” / “No, you needn’t.”

作_________动词

2. He needs to finish him article in a month.

作_________动词

▲

dare “敢”

1. How dare you say that I’m unfair!

作_________动词

2. He didn’t dare to speak English before such a crowd.

作_________动词

Step III

几组情态动词辨析

2

▲

can & be able to

【观察思考】朗读并翻译下列句子，体会下列情态动词的用法。

1)

My brother can / is able to play table tennis very well. 2) Though he was sick, he was able to swim across the river. 3) It is nice to be able to attend the lecture.

4) She can’t help laughing after hearing such a joke. 5) The drought(干旱) is so serious that they can’t but save every drop of water. 6) You can’t be too careful. 7) You can’t remember enough English words. 8) I can’t agree with you more. 【归纳总结

】

1) can 和be able to都表示能力，____________只有一般现在时和一般过去时两种时态，而___________有多种时态。

2) can 还用于一些固定短语中：

can’t help doing

_____________________

can’t but do

______________ can’t…too…/enough

can’t…more…

▲

shall & will 【知识讲解】

1) shall 用于第一，三人称疑问句中表示提供帮助或给出建议。用于第二，三人称陈述句中表示规定，决心，承诺，警告等。

2) will 用于二、三人称，表示询问意愿。还可表示决心和决定；表示动作的倾向性。

朗读并翻译下列句子，体会will和shall的区别。

1) You shall not touch my computer.

表示__________ 2) I dare say he shall be sorry for his behavior one day.

表示__________ 3) Every student shall wear the school uniform.

表示__________ 4) He won’t

help you if you don’t ask him to.

表示__________ 5) Would/Will you please do me a favor?

表示__________ 6) The door won’t close.

表示__________

▲

mustn’t & needn’t 1. You mustn’t smoke in public.

表示__________ 2. There is an hour left. You needn’t hurry.

表示__________

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Step IV巩固提高

Task1用正确的情态动词填空。

1. You ________(不可以)park here！It's an emergency exit. 2. The blind ____________________(能) find their way home even if it is foggy. 3. I ______________(会) share my joys and sorrows with my friends. 4. You ______________(没必要) worry about the interview tomorrow. You are well prepared for it. 5. He ________(也许)not come. He said he wasn't certain what his plans were. 6. Every time I go home, Mum ___________(会) wait for me at the gate of the village. 7. Tom __________(不可能) be at home. He is on business in Africa. 8. He is always punctual. How ___________(竟然) he be late for work? 9. She is only five years old. She ________________(不敢) stay home alone. 10. He _________(肯定) be studying in the classroom. He is a very hard-working student. 11. People ____________(会) die without water and air.

Task 2翻译下列句子。

1. 父母愿意尽一切能力来帮助他们的孩子。

2. 我们还是孩子的时候，冬天会去滑雪。

3. 几年后，他的英语会说得非常好。

___________________________________________________________________ 4. 他今天晚上必须把家庭作业做完。

___________________________________________________________________ 5. 他们俩是最好的朋友。他肯定知道John的地址。

____________________________________________________________________ 6. 在去外国旅行前，你最好是先了解那个国家的风俗和文化，这样你就不会让他人感到尴尬或生气。

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___________________________________________________________________ 【学后反思】

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