Unit8EnglishweekGrammar讲解及练习.doc

Unit 8 English week

Grammar
A Modal verb: should 情态动词should的用法
1. should“应该；应当”，情态动词，多用于劝说他人的错误行为或给予他人一些建议，使用时后面须跟动词原形，人称没有形式上的变化。
I\we 我\我们
You 你\你们 should do some work tonight.
He\She\It\They 他\她\它\他（她）们
2. should否定形式，should not(shouldn’t)“不应该；不应当”
You shouldn’t sit in the sun all day.
They shouldn’t spend too much money.
3. 常用I should或we should表达“对自己而言该做些什么”
I should go home. It’s midnight.
We should invite them for a meal.
常用I shouldn’t或we shouldn’t表达“对自己而言不该做某事”
I shouldn’t spend too much money.
常用you should\shouldn’t来向他人提出建议
You should look for a better job.
You shouldn’t drive so fast.
4. 用should I\we---来向他人寻求建议
Should I write my name here?
What should I say to Helen?
I need a new passport. Where should I go?
5. 常用I think we should及I don’t think you should等来表达自己的观点
I think we should get a new car.
I don’t think you should believe him.
6. 还可以用do you think I should---?来寻求建议
He hasn’t replied to my email. Do you think I should phone him?
What do you think I should give Tom for his birthday?

B had better had better的用法
1. had better“最好”，用于表示对别人的劝告、建议或表示一种愿望，语气比should更婉转。had better后面也接动词原型，没有人称变化。缩写’d better
You had better go to hospital at once.
Tom, you’d better go there today.
2. had better的否定形式是had better not，缩写形式为’d better not
You had better not miss the last bus.
You’d better not leave for Nanjing the day after tomorrow.
3. 可以用于指现在。
You had better listen to the radio now.
You had better be quiet.
也可以用于指将来。
You had better start tomorrow.
We had better buy the more expensive one. It will last much longer, so it will be cheaper in the end.
4. had better在表示对别人进行劝告、建议时，不宜用于与陌生人、长辈及上级的交谈中。对长辈说话时，比较有礼貌的说法是It might be better for you----, It would be better for you---等。
It might be better for you to help me, Grandpa.

Exerxise
1) Complete the sentences with should or shouldn’t and the words in brackets.
1. (you\work) so hard. Have a holiday.
2. I enjoy watching films. (we\go) to the cinema more often.
3. (you\park) here. It’s not allowed.
4. What (I\cook) for dinner tonight?
5. (you\wear) a coat. It’s cold outside.
6. (you\smoke) . It’s bad for you.
7. (we\arrive) at the airport two hours before the flight.
8. (I\pay) now or later?
9. Do you think (I\apply) for this job?
10. What do you think (I\write) in this space on the form?
11. (I\eat) any more cake. I’ve already eaten too much.
12. This food is terrible. (we\complain) to the manager.

2) Complete this conversation between Brian and Keith with the words in brackets. Put it do or should where required.
Brian：I want to buy a motorbike.
Keith： (what\you\think\I\do)
Brian： (you\look at\the advertisements in the papers)
Keith： (which papers\I\get?)
Brian： (what\you\think\I\do\bfore I buy a bike?)
Keith： (I\not\think\you\dicide\too quickly)
(you\check\the condition of the bike)
(you\not\buy\one simply because it looks nice)
(you\be\very\careful)

3) Use one of the phrases from the box and should or had better to complete each conversation. Put not in the correct place.
1 A：There is a house near my home. I often hear a child crying there.
B：you (had better)
2 A：My daughter wants to marry a sailor. What should I do about it?
B：In my opinion, you (should)
Your daughter (should)
3 A：If someone has a serious accident, what’s the right thing to do?
B：Well, you (had better) . It’s not a good idea to move an injured person. Instead, you (should) to take the person to hospital.
4 A：Last Saturday I bought some coffee cups, but the handle of one cup was broken. What can I expect the shop to do?
B：They (should)
5 A：My son is 12 years old and he’s already very fat.
B：Well, it’s important not to eat too much, so you (had better) .
Also, you (should)
6 A：If you come home and find that you’ve been robbed, what’s the best thing to do?
B：Well, you (had better)
You (should)
7 A：Mary can’t work because she’s feeling sick. How can she get home?
B：Well, she (should)
She (should)

4) Read the situations and make sentences with had better. Use the words in brackets to help you. And other words if necessary.
1. You are going out for a walk with Tom. It might rain. You say to Tom：
(an umbrella) We
2. Jack has just cut himself. It’s quite a bad cut. You say to him：
(a plaster)
3. You and Ann plan to go to a restaurant this evening. It’s a very popular restaurant. You say to Ann：
(book) We
4. Jill doesn’t look very well-not well enough to go to work. You say to her：
(work)
5. You received your phone bill four weeks ago, but you haven’t paid it yet. If you don’t pay it very soon, you will be in trouble. You say to yourself：
(pay)
6. You want to go out, but you’re expecting an important phone call. You say to your friends：
(go out) I
7. You and Fiona are going to the theatre. You’ve missed the bus and you don’t want to be late. You say to Fiona：
(a taxi)

5) Complete the conversations with should or had better. Put not in the correct place.
1 A：Should Henry stay in bed?
B：No, the doctor said he (should) stay in bed.
2 A：Can we move that cupboard?
B：No, it’s very delicate, so you (had better) leave it where it is.
3 A：Should we change these notices?
B：No, the show is still on, so we (should) change them until next week.
4 A：You’d better tell the boss about the accident immediately.
B：No, she’s in a bad mood. I (had better) tell her until tomorrow.
5 A：Does the doctor day it’s all right for Mrs Darcy to work?
B：Yes, but she must be careful. She (should) lift anything heavy, for example.
6 A：Can they come before dinner?
B：No, we haven’t got enough food, so they (had better) come after dinner.

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