英语九上期中复习
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英语九上期中复习 Grammar Focus (Unit 1-5) PowerPoint PPT Presentation


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英语九上期中复习 Grammar Focus (Unit 1-5). Unit 1 How do you study for a test. How do you study for a test? I study by listening to cassettes. How do you learn English? I learn by studying with a group. Do you learn English by reading aloud? Yes, I do. Unit 2 I used to be afraid

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英语九上期中复习 Grammar Focus (Unit 1-5)

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Grammar focus unit 1 5

英语九上期中复习

Grammar Focus (Unit 1-5)


Grammar focus unit 1 5

Unit 1 How do you study for a test.

How do you study for a test?

I study by listening to cassettes.

How do you learn English?

I learn by studying with a group.

Do you learn English by reading aloud?

Yes, I do.


Grammar focus unit 1 5

Unit 2 I used to be afraid

of the dark.

I wasn’t very outgoing.

You used to have long hair.

Did you use to have straight hair?

Yes, I did.

Did you use to play the piano?

No, I didn’t.


Grammar focus unit 1 5

Unit 3

Teenagers should be allowed to

choose their own clothes.

-I think students should be allowed

to do homework with friends.

-I disagree. They talk instead of

doing homework.


Grammar focus unit 1 5

-Sixteen-year-olds should not be

allowed to drive.

-I agree. They aren’t serious

enough at that age.


Grammar focus unit 1 5

- Do you think sixteen-year-olds

should be allowed to work at night.

-No, I don’t.


Grammar focus unit 1 5

Unit 4 What would you do?

-What would you do if you won a million

dollars?

-I’d give it to charities.

If I were you, I’d wear a shirt and tie.

If I were you I’d take an umbrella.


Grammar focus unit 1 5

Unit 5 I must belong to Carla.

-Whose notebook is this?

-It must be Ning’s.

It has her name on it.

-Whose French book is this?

-It could be Alis. She studies French.


Grammar focus unit 1 5

-Whose guitar is this?

-It might belong to Alice.

She plays the guitar.

-Whose T-shirt is this?

-It can’t be John’s.

It’s much too small for him.


Grammar focus unit 1 5

动词的语态

英语中有主动和被动两种语态。

前者以动作的执行者充当主语,后者以动

作的承受者 (即宾语) 充当主语。由于只

有及物动词才有宾语,因此只能是及物动

词才有被动语态形式。

被动语态以助动词be加上动词的过去

分词构成,如:

We speak English. (主动语态)

English is spoken.(被动语态)


Grammar focus unit 1 5

有时为了表明动作的执行者,可在被动语态

句型中加上介词by引导的短语,如:

The glass was broken by the cat

yesterday.

由于动词be在不同时态中有不同形式,

因此被动语态在各种时态中也有不同的结构。

一般现在时由am/are/is加上过去分词构成,

如:

Football is played all over the world.

The rooms are cleaned every day.


Grammar focus unit 1 5

一般过去时由was/were加上过去分词构成,

如:

The telephone was invented by Thomas

Edison.

A lot of people were hurt in the

traffic accident.


Grammar focus unit 1 5

一般将来时由will be加上过去分词构成,

其中will也可用情态动词替换,如:

The work will be finished tomorrow

morning.

This problem can be worked out in

another way.

Something must be done to stop

the wind from blowing the earth away.


Grammar focus unit 1 5

现在完成时由have/has been加上过去分词

构成,如:

A lot has been talked about the

protection of our environment.

Many ways have been tried to help the

sick boy.

现在进行时由am/are/is being加上过去分词

构成,如:

A new bridge is being built on the river.

All the factories are being moved out

of the city.


Grammar focus unit 1 5

虚拟语气

句子假设的情况如果是完全不存在的

(与现在或过去的事实相反),或者实现

的可能性很小(与将来的事实可能相反),

这种句子叫做虚拟条件句,它的谓语动词

用虚拟语气。

虚拟语气在条件句中的用法有三种情况:

1.表示与现在事实相反的情况时,条件

从句的动词用一般过去式(be的过去式用

were或was),主句的动词用would(should,

could或might)加动词原形。例如:


Grammar focus unit 1 5

The little girl said,”If I were a

president, I would do a lot of

things for the people.”

情况不可能发生。

比较:

Bush said,” If I am the president,

I will do a lot of things for the ‘

people.”

他自认为情况很有可能发生。


Grammar focus unit 1 5

If I were invited, I’d go to the

dinner party.

(Fact: I’m not invited,

so I won’t go.)

If I had time, I would(should)

go with you.

(Fact: I am very busy, so I can’t

go with you.)


Grammar focus unit 1 5

If she knew about it now, she

would come.

(Fact: She doesn’t know about it.)

If they did not water the flowers,

the flowers would(could) not grow

so well.

(Fact: They water the flowers

everyday, so the flowers grow

well.)


Grammar focus unit 1 5

以下两种情况不讲

2. 表示与过去事实相反时,条件

从句的动词用had加过去分词,主句的动词

用would(should, could或might)加have和

过去分词。例如:

If he had come here yesterday, I should

have told him.

(Fact: He did not come and so I did not

tell him.)


Grammar focus unit 1 5

3. 表示与将来事实很可能相反的情况

时,条件从句的动词---

(1)过去式(即与上述情况1 相同)

(2)或用should +动词原形,

(3)或用were to+动词原形;

主句的动词用would(should, could或

might)加动词原形。从句中这三种情况

都是表示不大可能实现的假想情况;

不可能实现的程度不完全一样.


Grammar focus unit 1 5

第(1)种结构(过去式)所表示的情况,实现

的可能性较大;

第(2)种结构(should+ should +动词

原形)所表示的情况,实现的可能性较小;

第(3)种结构(were to+动词原形)所表示的

情况,实现的可能性最小. 例如:

If he came tomorrow, he would find me

in my office.

(他来不来没有什么把握.)


Grammar focus unit 1 5

If it should (happen to) rain this afternoon,

the football match would be put off.

(下雨的可能性不大)

If you were to fail to catch the train, you

might take the bus.

(事实上,赶不上火车的可能性很小)


Grammar focus unit 1 5

Thank you!


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