高三 高中It用法总结归纳

个性化教案

学科：高中英语课时计划：2 课时

年级：高三

课题：高中英语It用法总结归纳学生姓名：

教师姓名：陈莉

教学目标总结归纳并掌握高中英语It用法

教学重点总结归纳并掌握运用高中英语It用法教学难点掌握运用高中英语It用法

授课类型归纳总结课

教学过程教师活动

It用法总结归纳

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.

１

②It is a shame, isn’t it?

③How is it going?(情况怎样)

④It says in the newspaper that......

3.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 honour/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．．．

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