人教修订版高中一年级 ( 下 )

Unit 13

Grammar

三者都可用来提建议，其中 had b

etter 语气最弱， should, ought to

语气最强。他们的否定式分别是： ha

d better not, should not, ought not

to 。

情态动词 had better, should, ought

to 的用法

1. had better 意思是“最好” , 表示说话人希望对方做什么 , 后接动词原形。had better not 则表示说话人希望对方最好不要做什么。 You’d better not say that.

你最好别说那样的话。 Hadn’t we better take an umbrella?

我们最好带一把伞吧？

I had better (I think I should) begin

by introducing myself.

我最好（我想我应该）先作一下自我介 绍。 2. should 用以表示建议或劝告 Children should obey their parents.

儿童应该服从他们的父母。

He should stop smoking.

他应该戒烟。 You shouldn’t leave a baby alone in th

e house.

你不应该把小孩子一个人留在家中。 They should have called the police.

他们本应该叫警察的。

He should have known that the police would never allow this sort of thing. 他本应知道这样的事情警察是决不允 许的。

3. ought to 1) 常用来表示因为有责任、义务， 而应该做某事，通常与 should 意 思相近。

The students ought to obey the

school rules ． 学生们应遵守校规。 Oughtn't we to give him a chanc

e

to try?

我们难道不应该给他一个尝试的 机会吗 ?

2) ought to 也常用来表示劝告或建议，意思是“应当”，“宜于”。 There ought to be more buses

during the rush hours ． 在上下班乘客拥挤的时刻，公共 汽车应当多一点。

3) ought to 还可表示猜测，意思是“理应”，“总应该”。 If he started at seven, he ought to

be here now ． 要是他七点钟出发，这会儿总应该到了。

Read the following sentences: Read the following sentences:

You had better get some rest.

(=You’d better get some rest.)

You had better not eat fruit that isn’t

ripe.

(=You’d better not eat fruit that isn’t

ripe.)

You should/ought to be careful with

fruit.

You should not/ought not to eat too

much junk food.

(=You shouldn’t/oughtn’t to eat too

much junk food.)

1. You have a bit of fever. You

_________________________.

2. You ______________________ if

you want to be healthy.

3. If you are sick, you ___________

__________.

Exercise 1 on P5

had better drink more water

ought not to eat junk food

a good rest

should have

4. Before you eat an apple, you

_________________________.

5. You don’t look well, you

________________________.

6. You have a bad cough, you

___________________________.

should wash it first or peel it

had better take a good rest

had better take some medicine

7. This medicine will make you sleepy,

you ________________________

________________.

8. There is nothing seriously wrong

with your knee, but you

________________.

ought not to drive after you

should be careful

take the medicine

1. First, you ought to talk to your

friend about it before the dinner.

2. But if you don’t want to ask her,

then you had better do what she does

at the table.

Exercise 2 on P6 Exercise 2 on P6

3. Of course, you should try all the

food you are offered.

4. However, you shouldn’t be too

nervous. After all, you’re her guest

and she will try her best to make you

feel comfortable.

Practice1. ---- Write to me when you get

home.

---- ______.

A. I must B. I should

C. I will D. I can

2. ---- Will you stay for lunch?

---- Sorry, ______. My brother is

coming.

A. I mustn’t B. I can’t C. I needn’t

D. I won’t

3. ---- Did you scold him for his carelessness? ---- Yes, but ______.A. I’d rather not to B. I’d rather not have doneC. I shouldn’t do D. I’d better not do

4. You didn’t go to the party yesterday, or I ______ you.

would see B. could seemight have seen D. might see 5. Look what you have done. You _____

_ have been careful.should B. can C. must D. may6. The cat ______ hibernate( 冬眠 ) in wi

nter. A. don’t need B. doesn’t need t

o C. needs not to D. needs not

7. Put on more clothes. You ______ be feeling cold with only a shirt on. A. can B. could C. would D. must8. The plant is dead. I ______ it more water. A. will give B. would have given C. must give D. should have given9. I didn’t hear the phone. I ______ asleep. A. must be B. must have been C. should be D. should have been10. He was busy or he ______ her more help. A. had given D. would give C. could have given D. give

May I take your order?May I take your order?Yes. I’d like …Yes. I’d like … ，， please.please.What does that come with?What does that come with?It comes with … and …It comes with … and …What would you like to drink?What would you like to drink?What do you recommend?What do you recommend?Anything else?Anything else?I’d like to try …I’d like to try … ，， please. please.

At the restaurant

Waitress: Can I help you?

Student A: Yes, er, what would you li

ke ?

Student B: I have no idea.

Student A: Well. would you like somet

hing to drink? What abou

t a glass of milk? 　

Example

Student B: No, thanks. I think I’d li

ke a bottle of orange. W

hat about you?

Student A: I’d like a cup of coffee .

How about something to

eat ?

Student B: Some cakes , please.

Students: Then we would like a c

up of coffee , a bottle of

orange , and four cakes ,

please .

Waitress: Ok. Please just wait for

a moment .

1. Write Exercise 3 on Page 74 in yo

ur exercise-books after class.

2. Talking on Page 72. Practise orde

ring food as the waiter/waitress and

customer.

Homework