代词it的用法

一，指代it

1.用来指代上文提到的事物。

----Pass me your note. ----- Here it is .

Whatever you do and say, ask yourself whether it is welcomed by others.

The Olympic Game will be held in Beijing in 2008. It makes the Chinese proud.

The news that they failed their driving test upset him, ________?

A. did they

B. didn’t they C . did it D. didn’t it

-Why don’t we have a little break? -Didn’t we just have________?

A. it

B. that

C. one

D. this

Few pleasures can equal to________ of a cool drink on a hot day.

A. some

B. any

C. that

D. those

特别注意：it, one和that作替代词的用法及区别

it代替前面提到的同一事物,该事物既可以是可数名词也可以是不可数名词。

one代替前面提到的同类事物中的一个。该事物只能是可数名词,前面可以有冠词,也可以被this、that或形容词修饰,其后也可以有定语

that代替前面提到的同类事物中特指的一个。该事物既可以是可数名词也可以是不可数名词,要有后置定语,但不可以有前置修饰语。

2. 表示时间，天气，距离，温度等。

3. 、作为人称代词，it可以用来指东西、动物、婴儿和未确定身份的人。

It’s lovely

It’s a large sum of money

It weighs only 3 kilos.

4.用来泛泛的指某件事：

1.It doesn’t matter.

2.It is a shame, isn’t it?

3.So you are going to be married this time？When is it？

二：形式主语

1. It is necessary to be prepared for a job interview. Having the answers ready will be of great help.

2. The Foreign Minister said, “It is our hope that the two sides will work towards peace.”

3. It is known to everybody that the moon travels round the earth once every month.

It is / was + adj. necessary/possible/important + ( for sb. ) to do sth. / clause It +is /was + n. (one’s duty /one’s hope/ an honour) + clause /( for sb. ) to do sth.

It is / was p.p.(said/believed /known) + that-clause

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

主句中的形容词必须是能表示人的特征的形容词。常见的有：bad ，brave ，careless，clever ，cruel ，foolish ，good （好心的），honest ，horrible ，kind ，lazy ，modest ，naughty ，nice（有教养的），polite，rude ，silly ，stupid ，wise ，wrong（错误的）等。这个句型可以改写为：sb. is +adj.+ to do sth. 。

It is kind of you to say so. = You are kind to say so.

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

主句中的形容词通常是表示重要性，紧迫性，频繁程度，难易，安全等情况的形容词。常见的形容词有：important，necessary，natural easy ，safe ，common ，normal ，

hard ，difficult ，dangerous ，unusual，rare ，impossible ，pleasant等。

It is important for her to come to the party.

It was quite hard for him to bring up the child on his own.

他独自把孩子抚养大是很困难的。

2) It is important for modern young people to master at least two foreign languages.

掌握至少两门外语对于当代年轻人来说是很重要的。

3. It is +adj.( clear obvious，true，possible，certain, wonderful, funny, likely, probable....) that ..... ＂清楚（显然，真的，肯定．．．）＂

It is very clear that he’s round and tall like a tree. = That he’s round and tall like a tree is very clear.

It is extremely obvious that she has been lying.很明显，她一直都在撒谎。

It is probable that he has known everything. 很可能他什么都已经知道了。

4. It is important ( necessary，strange，natural...) that ...

that 后的从句中要用虚拟语气（should + 动词原形），should 可以省去，建议记住该句型中的形容词。

It is important that we (should) learn English well.

It is necessary that he (should) remember these words.他必须要记住这些单词

3. It's surprising that…(should)………竟然……

It's surprising that you should apologize to her without any reason.

1. It is +n. (our hope/ one’s duty/ an honour / a pity/ a shame ... ) to do ...

It’s our duty to protect our environment. 保护环境是我们的责任

It is my pleasure to attend the meeting.很高兴能参加这次会议

2. It is +n.（use, good, fun, a waste of, job, task ）doing sth.

It's no good doing that. 那样做没好处(没用)。

It is no use crying over spilt milk.

It’s a waste of time explaining to him.和他解释是浪费时间

It is no good learning English without speaking English.

3. It is +n.(a pity /a shame /) that ...

that后的从句一般用虚拟语气（should + 动词原形），常译为“竟然”。没有这种意义时，则不用虚拟语气。

It is a pity that such a thing ( should ) happen in your class.

真可惜，这种事居然发生在你们班

It is a pity that he is ill today.可惜他今天生病了。

4. It is our hope ( one’s duty/ an honour ... ) that ...

The Foreign Minister said, “It is our hope that the two sides will work towards peace.”

1.很荣幸能请你来为我的小狗洗脚。

It’ s an honour that I can invite you to come to wash the legs for my dog.

2.照顾老人是我们的职责。It’s our duty that we take care of the old.

6 It is+ done (said/ reported/ learned /thought/ believed,/ known, / hoped/, expected,/ agreed, accepted /decided,/ planed/ understood）that ...常译为“据说（据报道，据悉．．．）”。

It is reported that another earth satellite has been put into orbit.

大家都知道那只猫和那条狗明天要结婚。

It is known that the cat will marry the dog tomorrow.

7. It is suggested ( ordered/ demanded/ insisted /commanded... ) that ...