modal verbs学生版

Module 4 unit2 Grammar and usage

A true friend is the best possession. 真诚的朋友是最宝贵的财富。

Learning aims: Master the usage of some common modal verbs;

Know how to use them correctly;

Develop the sense of cooperation.

Step 1: 读一读：（下划线句中情态动词）

1．Now, many of us can speak English quite well, but a few years ago, we couldn’t.

2．My brother is able to dive under water for 10 minutes.

3．You should respect your parents.

4．I have to finish the work before 7 o’clock.

5．You must work hard to achieve your life goal.

6．Shall we carry the books for you?

7．You needn’t do that if you don’t want to.

8．The little girl dare not go out alone at night.

9．Will he pay for me?

Step 2: 学一学：体会下列各情态动词的用法

一、Can/ could/ be able to

1.He can play basketball very well.

2.Can I use your pen?

3.Could you give me a piece of paper?

4．Mary can't be in Paris，for I saw her in the town only a few minutes ago．

用法总结：can表示1. ____________ 2. ______________ 3. _____________

比较下面两个句子，体会can与be able to用法的不同

5．My brother can play table tennis.

6．My brother is able to dive under water for 10 minutes.

表示“能够”之意时，

Can 强调____________________________________________________________;

be able to 强调_______________________________________________________.

选择：＊He didn’t agre e with me at first, but I ______________persuade him.

＊She ___________sing when she was young. (was able to; could)

二、may/ might

1. What is the weather like in Zhuzhou?

---It may be sunny.

2. What is the weather going to be like in Guang Zhou?

---It might have strong wind.

3.May I come in?

4.May you succeed!

用法总结：may/might表示1. ____________ 2. __________ 3. _____________

三、must/have to

1. You must wear your school uniform.

2．You have worked hard all day. You must be tired.

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

用法总结：must 表示1.__________________ 2. ____________________

Have to 表示______________.

当表示“必须”时，must 与have to的区别是：

_________________________________________________________________

4 . 特别注意：

1)You don’t have to tell him about it.

You mustn’t tell him about it.

mustn’t 意为_____________________ don’t have to 意为______________________

2)---Must I finish my homework today?

--- Yes, you ______________. / No, you _____________________.

四、shall/should

1. What shall we do now?

2. You shall get a gift from me if you can solve this problem.

3. You shall not pass the examination if you don’t work hard.

4. Passengers shall not talk with the driver while the bus is moving.

5. You should go to class right away.

用法总结：shall 表示1.___________ 2. ____________ 3. __________ 4. ______________ Should 表示________________; 可以用_____________替换。

五、will/ would

1. I will never do that again.

2.Every day he will sit there hour after hour doing nothing.

3. Will you help me with my work?

4. Would you mind opening the window?

5. When he was young, he would take a walk along the river every morning.

用法总结：will表示1._________________ 2. ________________ 3. _________________ Would表示1.______________________________ 2. _____________________

六、need/dare

1. You needn’t tell him the news now.

2. --- Need I hand in my homework right now?

--- Yes, you must./ No, you needn’t. (____________________)

3.The little girl dare not go out alone at night.

4.He needs to finish it this evening.

5.I don’t know how she dares to wear that dress.

用法总结：

1)need意为___________; dare意为____________.

2)need/dare 既可作_____________, 也可作___________.作情态动词使用时，一般只用于___________________ 中。

3)注意need/dare作情态动词和实义动词时相应的否定形式的构成。

巩固：