Grammar and usage(1): Modal verbs: general introduction优质课教案

M4U2 Grammar and usage Ⅰ. Lead-in Listen to the song and fill in the blanks with the words you hear. If the road ahead is not so easy, our love _______ lead the way for us, like a guiding star. I'll be there for you if you ________ need me. You

_____

______

_______ change a thing. I love you just the way you are. So come with me and share the view. I'll help you see forever too. Hold me now. Touch me now. I don't want to live without you. Nothing's gonna change my love for you. You _______ ________ know by now how much I love you. One thing you can be sure of. I'll never ask for more than your love. Nothing's gonna change my love for you. You _______ ________ know by now how much I love you….

Do you want to be healthy?

How do we keep healthy?

Ⅱ. Ways to keep healthy I _____ （能够）

run 10 kilometres a day. Modal verbs can express ____________ Tips:

What’s the difference between can and be able to? Jack can swim while Jim cannot. But Jim believes that through practice he will be able to make it one day. can常表示___________________；be able to强调__________________________。

在时态上，can只有__________和___________；be able to有更多形式。

练习：用can或be able to的适当形式填空

(1) A big fire broke out in the hotel yesterday. Luckily, everyone tried their best to escape and __________ run out of the building. (2) She _____ speak English now, and _____ speak French when she was five. (3) Tom is taking exercises, and next year he ___________ pass the P.E. exam.

We _____（必须）

sleep no less than 8 hours a day. Modal verbs can express ______________________

可用于该用法的情态动词有：________________________________________________

Tips:

1. What’s the difference between must and have to? (1)Facing the exam, we have to be well-prepared. (2)We must respect the old. must表示_________，常译为__________，have to强调_________，常译为_________。

练习：用must或have to的适当形式填空

(1) We ________ get to school on time. (2) I have lost my pen, so I __________buy a new one.

2. What’s the difference between mustn’t and needn’t? (1) To keep healthy, we _______（一定不要）smoke. (2)--Must I hand in my homework today? --No, you ___________. Notes: mustn’t意为____________，needn’t意为___________相当于________________。

The boy must be terribly afraid.

Modal verbs can express ______________________ 可用于该用法的情态动词有：________________________________________________ (1)He _____ be at home. A. may

B. might

C. must

(2)He _____ be at home, for he just called me from his home 15 seconds ago.

A. may

B. might

C. must

(3)— Look, that girl looks like Mary. —

That _____ be Mary, for she went to London yesterday. A. can’t

B. might not

C. mustn’t

Tips: 1.mustn’t只表示________。can’t用于推测时表示__________。

2.Can this be true? can用在疑问句中表推测时常带有________________的语气。

翻译：你怎么会如此地粗心？________________________________________________

___________ I eat some apples?

Modal verbs can express ______________________

可用于该用法的情态动词有：________________________________________________ —

______I turn the television on? —

Yes, you _____.

/ No, you _____ 回答此类问题，一般使用_______或________.

Ⅲ. Translation exercise Complete the passage. Use modal verbs where necessary.

Tom is overweight. His mother tells him that (1)____________（他每天必须锻炼身体，并保持平衡饮食）. Tom swims 3 hours every day, and (2)_________（能够5分钟跑完一公里）.But (3)____________（他认为自己不需要节食）, and he often asks his mother (4)____________（他是否可以吃些糖果）.But his mother worries that sweets can make him gain weight and (5)_________（这可能使他灰心）.His mother believes that (6)___________(汤姆一定会非常自豪）if he succeeds in losing weight.

(1) _________________________________________________________________________

(2) _________________________________________________________________________

(3) _________________________________________________________________________

(4) _________________________________________________________________________

(5) _________________________________________________________________________

(6) _________________________________________________________________________

IV. Summary Modal verbs can be used to talk about: 1. _______________ 2. _______________ There are more…

3. _______________

4. _______________ V. Homework Preview the usage of will and shall and the usage of modal verbs + have done.