代词it 的特殊用法

This is not my book. It is Jim

2. 用来代替指示代词this或that。如：--- What’s this? ---It’s a pencil.

3. 指小孩或不明身份的人。

如：The child smiled when it saw its mother.

Someone is knocking at the door. Please go and see who it is.

4. 表示时间或季节。

如：---What’s the time now? --- It’s ten o’clock.

---Why do you like spring best? --- Because it is very warm.

5. 表天气。如：---What’s the weater like today? ---It’s sunny.

6. 表距离。如：How far is it from your school to your home?

7. 用于形式主语，常用于下列句型中：

(1)It’s + adj. + (for sb.) + to do sth. 如：It is important for us to work hard.

It’s + n. + (for sb.) + doing sth. It is no use talking with him again.

(2)It’s time to do / for /that …如：It’s time to get up / for lunch / that we go home.

(3)It seems that …看起来像…如：It seems that he is quite happy.

(4)It’s one’s turn to do sth. 轮到某人做…如：It’s your turn to sing.

(5)It’s + adj. + that 从句如：It is necessary that we do some reading every day.

8. 作形式宾语。如：I find it difficult to study English well.

9. 用于强调句

强调句结构：It + is / was + 被强调部分+ that / who + 其余部分

1 2 3 4 5

特点：1> 强调句中的it不可更换

2> is / was 与其余部分的时态一致，数不受被强调部分的影响。

3>被强调部分可以是除谓语以外的任何成分

．．。

4>被强调部分如果是人，可以用that / who，其余一律用that

5>被强调部分若是原句的主语，that / who之后的谓语动词要在人称和数上与该主语保持一

致。

小练习：

It 作形式主语，请说出真正的主语

1.It is nice to be with you.

2.It took me 3 hours to get home last night.

3.It’s no use trying to explain-I’m not interested.

4.Is it worth reserving a seat?

5.It appears that Geoffrey might change his mind.

6.It struck me that the boss was behaving pretty strangely.

7.It doesn’t interest me whether you come or not.

8.It doesn’t matter when you arrive-just come when you can.

9.It wasn’t very clear what she meant.

10.It looks as if we’re going to have trouble with Mrs Jenkins.

11.It will be a pity if we have to ask her to leave, but it looks as though we may have to .

It 作形式宾语，请说出真正的宾语

1.Georage made it clear that he disagreed.

2.The blister on my foot made it painful to walk.

3.I think it important that we should keep calm.

4.I think it no use arguing with him.

请将下面的句子改写成强调句

1. All the members held a meeting in the club yesterday.

(强调1> 主语2> 宾语3> 时间状语4> 地点状语)

2. I chose this school last year because the school has a good reputation. （强调原因状语）

综合练习哦，come on!

1. I don’t think ______possible to master a foreign language without much memory work.

A this

B that

C it

D be

2. There ______a book , a pen and some notebooks on the desk .

A are

B is

C have

D has

3.There is going to be a volleyball match next week, ______？

A is it

B isn’t it

C is there

D isn’t there

4.There______a church behind the cemetery , didn’t there .

A was

B used to have

C used to

D used to be

5.There______a meeting to discuss the matter this evening .

A is to be

B are to be

C used to

D will have

6.People in the west make ______a rule to buy Christmas presents for their relatives and feiends.

A that

B it

C this

D as

7.--I don’t know whether I should go abroad or not ,Mum

-- I leave_____to your own judgment whether you should do it.

A that

B it

C this

D what

8.I don’t want ______any doubt about this.

A it has

B I have

C there is

D there to be

9.He felt_______to work for human rights and progress.

A it his duty

B his duty

C that is a duty

D there is his duty

10. People in the west make ______a rule to buy Christmas presents for their relatives and feiends.

A that

B it

C this

D as

11.______ needs further discussion whether we’ll build a library or not.

A. We

B. He

C. It

D. The thing

12.We found _______ impossible to take the defeat _____ down.

A. that … lying

B. this…laid

C. it… to like

D. it…lying

13.______ was known to them all that Willianm had broken his promise _______ he would give them a rise.

A. As, which

B. What, that

C. It, that

D. It, which

14.______ is no good ______ without doing anything.

A. This…talking

B. It… to talk

C. It… talking

D. that… to talk

15. ---I’ve just seen no more than one copy of Gone with the Wind in the bookshop opposite.

---Tom, go and buy ________ back.

A. one

B. any

C. it

D. some

16.---Has everyone in your class passed the driving test?

---No, ______only Yang Bei and I who ________ passed it.

A. it was, had

B. there is, have

C. it is, have

D. it is, has

17.---I dislike ______ when others laugh at me in public or speak ill of me behind. ---So do I.

A. them

B. those

C. it

D. that

18.When I try to find _______ that prevents so many people from taking part in the program, it seems to me that there are two main causes.

A. why it does

B. what it does

C. what it is

D. why it is

19.It was simply for that reason _______ I wouldn’t tell him the truth.

A. why

B. that

C. which

D. so

20.It was _____ I went there ________ I began to know something about the matter.

A. until…when

B. until…that

C. not until…that

D. not when …. that

21. It was on October 1st ________ new China was founded.