人教课标版 高二选修 6

Unit 4

人教课标版 高二选修 6

Unit 4

I. 代词 it

a. 用作人称代词 , 代替前文提到的事物。

My watch is missing. I can’t find (it)

anywhere.

Her father has gone abroad. Have

you heard about (it)?

b. 代替指示代词 this, that 。 What’s this? (It’s) a computer.

Whose pen is that? It’s mine.

c. 表示时间、天气、距离、季节、明暗等。

It’s time for lunch.

It’s getting warmer and warmer ．

It’s forty years since my hometown

was liberated.

It’s summer now.

How far is it from here to the airport ？ It’s about twenty minutes’ walk from

here to the bus stop.

II. 引导词： a. 作形式主语 , 代替由不定式 , 动名词

或从句表示的真正主语。其基本句型为：

It ( 形式主语 ) +adj. + to+ v.

It ( 形式主语 ) +adj. + that (subject

( 主语 )+v. )

It ( 形式主语 )+adj.+ whether (subject

+v.)

It is ＋ adj. ＋ for ／ sb. to do sth. (of )

It ＋ seems (appears) ＋ that (subject ＋v.) happens

① It is very important to help each other ． ② It is no use / useless going there again ． ③ It’s not decided yet when they will leave

for Shanghai ． ④ It seems that he has caught a cold. =He

seems to have caught a cold ．

⑤ Is ____ possible to master a

foreign language in two months?

A. now  B. that   C. it  D. man

⑥ Is ____ necessary to tell his father

the truth?

A. it  B. that   C. what  D. he

b. 作形式宾语 , 代替由不定式、动名词或从句表示的真正宾语。其主要基本句型为 :

主语＋谓语＋ it ( 形式宾语 ) ＋宾语补足语＋ to do sth. (doing sth.

或 that 从句 ).

① Marx found it important to study

the situation in Russia.

② She thought it no use to write to

him again.

③ They want to make it clear to the

public that they do an important

and necessary job.

④ Do you think ___ difficult to work out this maths problem? A. that   B. very    C. yourself  D. it

⑤ Having been there many times, ___ to find Mr. Wang’s house. A. it was easy for him B. for him it was easy C. he found it easy D. he found easy

c. 用在强调句型中 , 为了强调句子的某一成分 ( 通常是主语、宾语或状语 ), 常用结构 :

It is / was ＋被强调部分＋ that

(who) ….

I met Tom in the street yesterday ．

① It was I who (that) met Tom in the

street yesterday.

② It was Tom that I met in the street

yesterday.

③ It was in the street that I met Tom

yesterday.

④ It was yesterday that I met Tom

in the street.

主语

宾语

时间状语

地点状语

⑤ ____ she had arrived home that she

remembered her appointment ( 预约 ) with the doctor.

A. It was not until

B. Not until it was

  C. Not until

D. Until it was not

1. It ___ for this reason ___ her uncle

moved out of New York.

A. is ... which B. was ... why

C. was ... that D. were ... how

2. It was ___ he said at the meeting __

disappointed me.

A. what.., that B. that.., that

C. what.., what D. that.., what

Drills

3. ---Wasn’t it Dr. Li who spoke to you

just now?

--- ______.

A. I didn’t know he was B. Yes, he did

C. No, he didn’t D. Yes, he was

4. Was it during the Second World War

____ he died?

A. this B. then C. that D. while

5. I don’t think _____ possible to master

a foreign language without much

memory work.

A. this B. it C. that D. its

6. Does ____ matter if he can’t finish the

job on time?

A. it B. this C. that D. he

7. Tom’s mother kept telling him that he

should work harder, but __didn’t help.

A. he B. which C. she D. it

8. Was ___ in 1998 ___ your teacher

graduated from university?

A. that.., that B. it... which

C. it... that D. it... when

9. He felt ___ duty to work for human

rights and progress.

A. it his B. his

C. that is a D. that is his

10. ___ is no good ___ without doing

anything.

A. This... talking B. It... to speak

C. That... to say D. It... talking

11. All the children except my partner

___ late because of traffic jam.

A. is B. are C. was D. has been

12. Your new clothes fit you, but mine

___ me.

A. don’t fit B. doesn’t fit

C. don’t fit for D. aren’t fit

(II) It 的用法及强调句型 (II) It 的用法及强调句型

性质

功 能 例 句

代词

用作人称代词，代替上文提到的人或事物。

— Who is it?

— It’s me. You’ve helped

me a lot; I’ll never

forget it.

性质 功 能 例 句

代词

用以代替指示代词this 或that 。

— What’s this?

— It’s a computer ．— Whose book is that?

— It's hers ．

性质 功 能 例 句

代词

表示时间、天气、距离、价钱等。

It’s time for lunch ．It’s raining hard ．It’s two miles from

the school to our

home ．

引导词

作形式主语 , 代替由不定式、动名词或从句等表示的真正主语。

It is easy to buy a new

radio.

It is no use telling him

that.

It doesn’t matter

whether she comes or

not.

引导词

作形式宾语 , 代替由不定式、动名词或从句等表示的真正宾语。

I feel it my duty to help

him.

We thought it no use

doing that.

I’ve made it clear that

nobody is allowed to

smoke here.

引导词

表示强调 , 其结构是 : It is/was+ 强调部分 + that+ 原句剩余部分。此结构只限于强调状语、主语和宾语。 注意：①如果强调的是人 , 其后用 that 或 who 均可 ; ② 如果强调的是物、时间或地点等状语 , 其后只能用 that 不用where 、 when 、 why 。

引导词

I saw Tom yesterday here. ① It was I that/who saw Tom

yesterday here ． ② It was Tom that /who I saw

yesterday here ． ③ It was yesterday that I saw Tom

here ． ④ It was here that I saw Tom

yesterday ．

引导词

注意 : 若原句是 not…until 句型 , 在强调 until 部分时 , 要把否定形式放入被强调部分。例如 : He didn’t

leave until l returned. = It was not

until I returned that he left ．

易 与强调句型

* 若强调谓语 ,则用 do /does /did + 动词原形 , 常译为“的确” “一定”等 , 该结构只能用于陈述句或祈使句中。引导的强调句与其它从句的区别在于：

Do be patient! ( 一定要耐心点 )He does want to learn English well. ( 他的确想学好英语。 )It was in the place that I was born. ( 强调句 )It was the place where I was born. ( 定语从句 )

混淆的其它从句

① 强调句型中前后时态应一致 ;②被强调的部分为主语、宾语和状语 , 若把 it is ／was 和 that ／who 去掉 , 剩下的词语能重新组成正确的句子 , 而且不缺成分 , 否则就是其它从句。

It was in 1945 that World War II ended. ( 强调句 )

It was 1945 when World War II ended.( 定语从句 )

③ It was a long time since I met you last. ( 时间状语 )

It is time that you went to bed. ( 定语从句 )

口诀： 代词 it 本意它 , 既可指这又指那 ;

时间天气均可指 , 谈到距离也用它 ;

假主假宾均可做 , 强调句型跟that 。

1. It was this village ___ I was bought.

A. where B. that

C. on which D. which

2. It was in this village ___ I was

bought up.

A. where B. that

C. on which D. which

3. Can it be in the drawer ___ you put

your passport?

A. where B. in which

C. there D. that

4. It was July 1, 1997 ___ saw the return

of Hong Kong to the motherland.

A. that B. when

C. which D. in which

5. It is two years __ I joined the army.

A. before B. since

C. that D. after

6. It was two years ___ I joined the

army.

A. before B. since

C. that D. after

7. --- Was it under the tree ___ you

were away talking to a friend?

--- Sure. But when I got back there,

the bike was gone.

A. that B. where C. which D. while

8. --- Why don’t we take a little break?

--- Didn’t we just have ____?

A. it B. that C. one D. this

9. It was not until 1920 ____ regular

radio broadcast began.

A. while B. which

C. that D. since

10. ___ is the fact that English is being

accepted as an international language.

A. There B. This

C. That D. It

11. It was about 600 years ago ___ first

clock with a face and an hour hand

was made.

A. that B. until C. before D. when

12. I hate ____ when people talk with

their mouths full.

A. it B. that C. these D. them

13. It was only when I reread his poems

recently ____ I began to appreciate

their beauty.

A. until B. that C. then D. so

14. It is the ability to do the job ____

matters not where you come from

or what you are.

A. one B. that C. what D. it

15. The Parkers bought a few house but __ will need a lot of work before they can move in.

A. they B. it C. one D. which16. ____ no need for us to discuss the

problem again since it has already been settled.

A. It has B. There has C. It is D. There is

17. Was it in 1969 __ the American astronaut succeeded ___ landing on the moon.

A. when; on B. that; on C. when; in D. that; in18. Was ___ that I saw last night at the

concert? A. it you B. not you C. you D. that yourself

19. ____ was in 1979 ___ I graduated

from the university.

A. That; that B. It; that

C. That; when D. It; when

20. What a pity my new computer

doesn’t work! ____ must be

something wrong with it.

A. It B. There C. This D. That

21. I like ____ in the autumn when the

weather is clear and bright.

A. this B. that C. it D. one

22. Someone is knocking at the door,

but who can ___ be?

A. one B. he C. she D. it

23. A knock on the door made him look

up. But ___ was only the manager.

A. this B. that C. she D. it

24. Someone is ringing the doorbell. Go

and see ____.

A. who is he B. who he is

C. who is it D. who it is

25. Is ___ necessary to complete the

design before National Day?

A. this B. that C. it D. he

26. Does ___ matter if he can’t finish

the job on time?

A. this B. that C. he D. it

27. It worried her a bit ___ her hair was

turning grey.

A. while B. that C. if D. for

28. They have made __ a rule __ in the

room.

A. this; not to smoke B. it; smoking

C. it; to not smoke D. it; not to smoke