高考英语It的用法

It的用法（专项总结及训练）

一、人称代词

1，it的最基本用法是作代词，主要指刚提到的事物，以避免重复:

①They watched the train until it disappeared in the distance.

2.，也可以指动物或婴儿(未知性别的婴儿或孩子):

②Is this your dog？No, it isn’t.

③They got a baby and it was a ten-pounder

3.，也可指抽象事物或指抽象环境和情景:

③I hate it when people talk with a full mouth.．

二、.非人称代词

1.it有时并不指具体的东西而泛指天气、时间、日期、距离、价值、度量、温度、环境等：

⑴.指天气：It is a lovely day, isn’t it?

⑵.指时间: It was nearly midnight when she came back.

⑶.指日期:It is April First today.

⑷.指距离:It is some 3000 kilometers from Beijing to Guangzhou.

⑸.指价值:It is three dollars.

⑹.指温度:Today it is 30 degrees centigrade.

三、其他用法

1.在句子的主语不太明确时充当主语，表示谁在做某事：

①Who is it there? It's I (me/you/he.....).

②I thought it was Mary, but it was not she.

③Her face lighted when she saw who it was.

2.泛泛的指某件事：(有时泛指一般情况)

①It doesn’t matter.

②It is a shame, isn’t it?

③How is it going?(情况怎样)

④It says in the newspaper that......

3.指最好的或最渴望得到事物

①He thinks he’s it. 他一直以为自己是最佳人选。

②That steak was really it! 那牛排真是不错！

③We’ve been looking for a house for months and I think this is it. 我们找房子已经找了好

几个月了, 我看这所就是我们要找的。

4.it用在一些词组中，it 没有特别的意思

The last train's gone. Come on, we'll foot it.(来，咱们步行吧。)

四、作形式主语，替代主语从句，动词不定式，或动名词短语：

1.作形式主语替代主语从句

⑴It is clear ( obvious，true，possible，certain....) that 从句常译为＂┅清楚的（显然的，真的，可能的,肯定的．．．）＂

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.

⑵It is important ( necessary，right，strange，natural...) that 从句常译为┅是重要的(必要的,对的,奇怪的,自然的┅).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。

①It is important that we (should) learn English well.

②It is necessary that he (should) remember these words.

⑶It is said (reported/ learned/believed/thought/known/told/hoped.....) that 从句常译为＂据说（据报道，据悉．．．）＂。

①It is said that he has come to Beijing.

②It is reported that another earth satellite has been put into orbit.

⑷It is suggested ( advised/ ordered / demanded/ insisted/ commanded... ) that 从句.that 后的从句要用虚拟语气（should + 动词原形），should 可以省；常译为＂据建议；有命令．．．）

①It is suggested that the meeting ( should ) be put off.

②It was ordered that we ( should ) arrive there in two hours.

⑸It is time ( about time ，high time ) that从句(虚拟语气:动词用过去时did)

①It is time that children went to bed.

②It is time you bought a new car.

③It is (high ) time you made up your mind.

⑹It is the first ( second ... ) time that从句(从句用现在完成时have done )

It was the first ( second ... ) time that从句(从句用过去完成时had done )

常译为＂是第一（二）．．．次．．．＂。

It is the first time I have been here. = This is the first time I have been here

⑺It is a pity ( a shame /an honor/a good thing/a fact,/a surprise/... ) that从句.

that后的从句一般用虚拟语气（should + 动词原形），should可省去．表示出乎意料，常译为＂竟然＂。没有这种意义时，则不用虚拟语气。

①It is a pity that such a thing ( should ) happen in your class. 这种事竟然发生在你们班

上，真是遗憾！

②It is a pity that he is ill. 他生病了，真遗憾！

⑻It happens (seems，looks，appears ) that从句.常译为“ 碰巧…,似乎是…,看起来…”

①It happened ( so happened ) that he met his teacher in the street. 碰巧．．.

②It seems that he will be back in a few days. 看来．．．

⑼用于it follows that…句式。如：

He is wrong, but it does not follow that you are right. 他错了，但并不能由此推断你是对的。

She’s not in the office but it doesn’t necessarily follow that she’s ill. 她不在办公室, 并不见得就是病了。

（10）It struck sb that…是英语中一个很有用的句式，其意为“某人突然感到（觉得）……”。句首的it 可视为形式主语。如：

It struck me that she had come to borrow money. 我忽然想起她是来借钱的。