Grammar and usage(1): Modal verbs: general introduction优质课教学设计

江华一中高一年级英语学科教学案（必修4）

Module 4

Unit 2 Grammar and usage

Module Verbs 一、学习目标

【知识与技能】

掌握情态动词的用法。

【过程与方法】

1. 通过读一些句子，学习、理解语法规则；

2. 通过练习法、比较法，演绎归纳法，设计填空题、改错题、翻译题等。

【情感态度与价值观】

通过发现、学习、掌握规律，使学生意识到情态动词在日常交际中的重要性。

二、学习重点、难点

1. 帮助学生理解情态动词的用法；

2. 如何帮助学生在不同的情景下选用正确的情态动词。

三、学习课时2课时

四、学习过程

Step 1

自学导入

学习任务:感知情态动词

【学生活动】朗读下列句子，并划出句中的情态动词。

1. The greatest runner can run the 100 m sprint in 11 seconds.

2. He could swim all the way across the lake, but I can’t now.

3. Your mother may/might not know the truth.

4. The athletes should/ought to compete for the gold medals for their countries.

5. Shall we recommend a book to you?

6. ---Must I wash the dishes at once?

--- No, you needn’t/ don’t have to.

/

Yes, you must. 7.

I have to work when I was your age.

8.

I promise that I will never do that again.

9.

I said I would do anything for you.

10.

He daren’t speak English before such a crowd, dare he?

【教师点拨】情态动词是表示说话人的语气和态度，没有人称与数的变化，并且不能单独作谓语，必须与其后的动词原形构成谓语。

【学生归纳】常见的情态动词有

情态动词

can/could may/might 词义

能

可能

否定式

can’t/couldn’t may/might not 否定意义

不能

可能不

must/have to

必须

mustn’t/ don’t have to

不准，禁止

/ 没必要

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江华一中高一年级英语学科教学案（必修4）

should

应该

ought to shall will/would

need

dare 应该

should not 不应该

ought not to（oughtn’t to）

不应该

将不

将不

没必要

不敢

将要，……好吗

shan’t

将；会

需要

敢

will/would not need not dare not 【配套练习】改错。

1.

All of us will very healthy if we keep working out every morning.

2.

I think we can in control of the machine.

3.

In order to keep healthy, we should running every morning.

4.

In my opinion, you should went back to your school earlier yesterday.

5.

We can chose between staying at home and taking a trip.

6.

As far as I am concerned, you could go to the Great Wall instead.

7.

She said she will tell me what to do next.

8.

He suggested that we can choose this travel routine.

9.

汉译英：我真诚地希望你们能给我一次机会，我相信我将会成为一个好主席的。

9.

汉译英：在我看来，人们不应该在晚上九点之后在广场上跳舞。

Step 2 典例导学

学习任务一:分析和体会情态动词在句中的意义和用法

【学生活动一】朗读并体会下列句子中can/ could, may/might, will/ would的意义和用法。

1) Although she is a little girl, she can dance very well. 2) The doctor could save the boy yesterday but he didn’t.

3) It can be as hot as 38℃

in my home town in summer. 4) ---Can/May I use your pen?

---Yes, you can./ No, you can’t.

5) ---Could/Might I recommend a new product to you?

--- Yes, of course you can.

6)You can’t park your car in the street.

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江华一中高一年级英语学科教学案（必修4）

7)Peter may come with us tonight, but he isn’t very sure yet.

8)May you succeed!

9)I will never do that again. 10)Would/will you pass me the ball, please? 11)Every day he will sit there hour after hour doing nothing. 12)When he was young, he would take a walk along the river every morning.

【教师点拨】

1.

1）can/could表示能力：能……，会……

can表现在的能力

could表示______能力

2）can有时候会……

2.

can/could/may/might表示________：能够……，可以……

____/_____语气更委婉

3.

may/might表推测：译为______

4.

may/might表愿望、祝福：译为__________

5.

will/would表示1).意志，愿望和决心

2). ________________ 3). _____________。

【配套练习】

用合适的情态动词翻译句子。

1.当我住在乡村的时候，我经常在那片林子里散步。

2.我的弟弟打乒乓球打得很好。

3.我认为王刚可能会在英语演讲比赛中或一等奖。

【学生活动二】

朗读并体会下列句子中shall/should的意义和用法。

1. Shall we begin our class? 2. When shall Mike be able to leave hospital? 3. You shall not leave your post(岗位).

4. Don’t worry. You shall have the tickets for the games.

5. Whoever goes against nature shall be punished. 6. Nothing shall stop us from serving the people heart and soul. 7. I am glad that your story should have won the first prize. 【学生归纳】从句1,2我们可以知道shall 用于第一，三人称的疑问句中表示___________

从句3，4,5,6可以知道

shall用于第二、三人称陈述句中表示________________________

从句7可以知道should可以表示________________________________

【配套练习】书P31，Part B.

学习任务二：体会情态动词在句中表推测的用法。

【学生活动一】朗读体会下列句子并识记情态动词表推测的结构。

1. You must be hungry now.

2. The boys may be playing football on the playground.

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江华一中高一年级英语学科教学案（必修4）

3. He plays basketball very well. He must have practised it a lot. 4. She can’t be a teacher, because she works in a shoe factory.

【学生归纳】

对现在/将来情况的推测句式结构：

对现在进行的推测句式结构：_______________________________ 对过去的推测句式结构：

【教师点拨】

must表推测时，只能用于肯定句，表对现在或过去的事情进行推测，语气非常肯定，译为“一定”。

can/could表推测时，一般用于否定句或疑问句，表对现在或过去的事情进行推测，译为“不可能”。

may/might表推测时，一般用于肯定句或否定句，可对现在过去或将来的事情进行推测，语气不很肯定，译为“可能”。

【配套练习】用括号里的词的恰当形式填空。

1. Peter may

(come) with us tonight, but he isn’t very sure yet.

2. He must _____________(listen) to the radio now.

3. It must______________ (rain) last night, for the ground was wet this morning.

学习任务三：掌握情态动词+ 完成时表示的虚拟含义

1) could have done (过去本来能做某事，但实际上没有做到。) 2) should/ought to have done (本应该做而没有做, 含有责备或遗憾的语气) 3) shouldn’t/ ought not to have done（本不应该做而做了, 含有责备或遗憾的语气）

4) needn’t have done (本没有必要做而做了) 【配套练习】英译汉

1.

Why did you just sit and watch？You could have helped me. 2. “You could have asked your teacher for help. He is kind-hearted.”

“Yes. A whole day was wasted.”

3. I told Sally how to get there, but perhaps I should have written it out for her. 填空

4. “I thought you wouldn’t mind.” “Well, as a matter of fact I don’t, but you _____________(ask)me first.”

5. ---- Barbara, I have cleaned the room for you. ---- Thanks. You needn’t___________(do) it. I could manage it myself.

4. 英译汉：Mary ________be in Paris, for I saw her in the town only a few minutes ago.

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江华一中高一年级英语学科教学案（必修4）

Step3目标导结

1.用情态动词的知识完成下列表格。

情态动词

can/could may/might 词义

能

可能

否定式

can’t/couldn’t may/might not 否定意义

不能

可能不

must/have to

必须

should

应该

ought to shall will/would

need

dare

应该

mustn’t/ don’t have to

不准，禁止

/ 没必要

should not 不应该

ought not to（oughtn’t to）

不应该

将不

将不

没必要

不敢

将要，……好吗

shan’t

将；会

需要

敢

will/would not need not dare not 2.

对现在/将来情况的推测句式结构：

对现在进行的推测句式结构：_______________________________

对过去的推测句式结构：

_______ 3.

情态动词+ 完成时表示的虚拟含义

1) _____________________ (过去本来能做某事，但实际上没有做到。) 2) _____________________(本应该做而没有做, 含有责备或遗憾的语气) 3) ____________________（本不应该做而做了, 含有责备或遗憾的语气）

4) ____________________ (本没有必要做而做了) Step4 拓展导练

【师生活动】①学生先做练习；②学生或教师点评；③学生做笔记。

1.Samuel, the tallest boy in our class,_______ easily reach the books on the top shelf.(北京17)

2. My room is a mess, but I ________ clean it before I go out Tonight. I can do it in the morning.(天津17)

3. It was really annoying; I ____________ get access to the data bank you had recommended.(天津16)

4.---Can’t you stay a little longer?

---it’s getting late. I really________ go now. my daughter is home alone.（北京15）

5. Mr. Wang ______ be in Nanjing now, because he went to Beijing only this morning.

6. John _____ go there with us tonight, but he isn’t very sure about it.

7. When he was old, Mr. Smith _____ sit for hours without saying anything.

8. --- I will tell Mary about her new job tomorrow. --- You ___________ (tell) her last week.

9. 书P31 Part A.

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