10个it所指代的句子

1） It was last night ___ I see the comet

Athe time Bwhen Cthat Dwhich

答案C强调句的结构是：It +be +强调部分 + that (who) + 主谓句强调句的连词只有两个,that和who当强调的部分是人,且为句子的主语时,才用 "who",其余用that

原句：My father did the experiment in the lab yesterday evening

强调主语：It was my father who did the experiment in the lab yesterday evening

强调宾语：It was the experiment that my father did in the lab yesterday evening

强调时间：It was yesterday evening that my father did the experiment in the lab(注意不用when)

强调地点：It was in the lab that my father did the experiment yesterday evening

2）It is ten years ___ Miss Green returned to Canada

Athat Bwhen Csince Das

答案C考点是连词用法本题易误选为Athat其实本句不是强调句若是,去掉It be… that还应是一个完整的句子而本句去掉 'It is…that',只剩下ten years Miss Green returned to Canada不成句因此本句不是强调句

It is /was +时间+ since… 其中is has been was had been

It

代替宾语从句时：

1I

think

it

very

important

that

we

take

part

in

the

discussion

（我认为我们参加这次讨论是很重要的)

2Didn't

I

make

it

clear

to

you

that

I

was

not

coming

(

我不是向你明确表示过我不来了吗）

It

代替动名词短语时：

1We

thought

it

no

use

doing

that

（我们认为那样做无济于事）

2Our

teacher

thinks

it

no

good

learning

without

practice

（我们的老师认识光学不实践是没有好处的）

It

代替不定式短语时：（像楼上的一种形式）

1He

feels

it

his

duty

to

help

others

（他觉得帮助他人是他的责任）

2The

new

medicine

makes

it

possible

to

treat

this

terrible

disease

（这种新药使治疗这种可怕疾病成为可能）

1

Do

you

think

it

hard

to

speak

English

like

a

native

speaker

2

I

think

it

best

that

you

should

stay

here

3

She

found

it

interesting

to

learn

English

4

He

thinks

it

difficult

to

finish

the

home

by

nine

o'clock

5

Internet

makes

it

easy

for

people

to

communicate

with

each

other

1

He saw the grey Land-Rover down the bypass It was more than a hundred yards from him

2

She could, if she wanted, compel him, through a court of law, to support the child after it was born

3

He was through with sports, not because he had to be but because he wanted it that way

他放弃了体育运动，不是因为被迫而是出于自愿。

4

It was nice to see Steve again

5

It has been said that stress causes cancer

6

Of course, as it turned out, three-fourths of the people in the group were psychiatrists

7

It's three o'clock in the morning

8

It was very wet and windy the day I drove over the hill to Mill

9

'Who is it' he called — 'It's your neighbor'

10

It's really the poor countries that don't have an economic base that have the worst environmental records

It is 10kilometers from here to the post

It is a waste of time to try to talk to her when she is in a mood

It is the time for him to go to the bad now

It is 10 years since the family settled down in this village

It代替从句作形式主语的常见句型

1 it 代替连词 that 引导的从句作形式主语。

1) it + be + 过去分词 + that 从句:

It's said that Tom has come back from abroad

It was reported that dozens of children died in the accident

可用于该句型的过去分词还有：known , thought , told , believed , hoped , announced ,expected , decided , suggested等，该句型常可以转换成含有宾语从句的复合句或者含有不定式作主补的简单句。如：

It's said that Tom has come back from abroad

→People say that Tom has come back from abroad →He is said to have come back from abroad

2) It + be + 名词词组 + that 从句:

It's a pity that he can't swim for his age

It's a wonder that you could finish such a hard task in such a short time

可用于该句型的名词词组还有：an honour , a good thing , a fact , a surprise , good news等。

3) It + be /seem + 形容词 + that 从句:

It is likely that they will beat us tonight 今晚很可能他们会赢我们。

It doesn't seem that she will give us a hand 她帮我们的可能性似乎不太大。

可用于此句型的开容词还有；wonderful , true , good , right , wrong , (un)important ,useless , surprising , clear , possible , unusual , lucky , certain 等。

4) It + seem / appear / happen + that 从句:

It seems that he enjoys pop songs very much 看来他非常喜欢流行歌曲。

It appears that Tom might change his mind 看来汤姆会改变主意。

It happened that I went out that day 碰巧我那天外出了。

2 it 代替连接代词或连接副词引导的从句作形式主语。

1) It is known (not decided , not made clear , found out , discussed , being discussed , being considered , a question , uncertain等) + 连接代词或连接副词引导的从句。

It is still a question when we shall have our sports meet 我们将什么时候举行运动会还是一个问题。

It is uncertain whether he can attend this conference or not 他能否来开会还不能确定。

2) It doesn't matter(doesn't matter too much , doesn't make too much difference等) + 连接代词或连接副词引导的从句。如：

It doesn't matter whether we go together or separately 我们一起去还是分开去都可以。

It doesn't matter too much to me what you do or where you go 你做什么或去什么地方，对我都无关紧要

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