高中英语语法：It 所构成的20个句型详解

来源：英语网整理 2011-12-27 17:09:14

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根据it的用法特点可归纳为20个句型

1. It is + 被强调部分 + that ?

该句型是强调句型。将被强调的部分放在前面，其它部分置于that之后。被强调部分可以是主语，宾语，表语 或状语。强调的主语如果是人，that可以由who换用。如果把这种句型结构划掉后，应该是一个完整无缺的句子。这也是判断强调句型与其它从句的方法。 It was about 600 years ago that the first clock with a face and an hour hand was made.

It was they that （who ） cleaned the classroom yesterday.

It was in the street that I met her father.

2. It is not until + 被强调部分 + that ?

该句型也是强调句型。主要用于强凋时间状语，译成汉语“直到?才?”，可以说是 not ? until ? 的强调形式。

It was not until she took off her dark glasses that I realized she was a famous film star.

= Not until she took off her dark glasses did I realize she was a famous film star.

= I didn't realize she was a famous film star until she took off her dark glasses.

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Unit 3 A healthy life Editor: Yang Wenhua

Unit 3 A healthy life Learning Plan (Grammar)

Objective:

To learn the use of “it” properly it的用法总结：

形式主语；形式宾语；人称代词；代替指示代词；非人称代词表示时间、日期、地点、天气、温度、距离、环境等；某些习语及习惯用法。 1. 做形式主语

it 可以用作先行词作为句子的主语,而把句子的真正主语移到后面去, 可以移到后面的主语是：

1) 不定式 句子的谓语可以是: be + 形容词

e.g. It is important to know your limitations. 知道自己的局限性是很重要的。 be + 名词；

e.g. It is a good idea to have a little notebook handy. 手边有个小笔记本是个好主意 be + 介词短语；

e.g. It is against the law to do that. 这样做是违法的。

其他类型的谓语

e.g. It gives me great pleasure to see the movie. 观看电影让我很高兴。 2) 动名词

? 用no good, no use, great fun, a new experience等名词作表语；

e.g. It is fun working for him. 为他工作很有意思。 ? 也可用某些形容词作表语；

e.g. Do you think it is worthwhile quarrelling with him?

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it的用法总结

it 用法虽不是高考的热点，但近几年全国各省市高考试题经常出现对it用法的考察。It的用法之多值得我们在学习过程中高度关注。同时我们不能疏忽it与其他语言知识点相结合进行命题的趋势。下面就帮你系统归纳其基本用法，并通过高考试题进行巩固，让你轻松掌握it的用法。

一、 it 的基本用法：

（1）用作人称代词，代替前文提到过的事物。

My mother bought me a new chothes.It was very beautiful.

（2）用以代替提示代词this, that。

—what’s this in Eenglish?

—It is a knife.

（3）起指示代词的作用，指一个不明身份的人或事物。

—who is knocking at the door?

—it’s me.

（4）指环境情况等。

it was very noisy (quiet) at the very moment.

（5）指时间、季节等。

—what time is it now?

—it’s eight o’clock.

It often rains in summer here.

（6）指距离。

It is a long way to the school.

（7）作形式主语。

It is not easy to finish the work in two days.

It is no use crying over spilt milk.

It is a pity that you didn’t read the book.

（8）作形式宾语。

I found it very hard to fininsh homework before eight.

（9）用于强调结构。

it is∕was + 被强调部分 + that/who + 句子的其他部分

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资料有 大小学习网收集

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)

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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、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.

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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.

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make it 是英语口语中十分有用的一个习语，用法比较多，本文为大家归纳如下。

一、表示事业获得成功

You will make it if you try. 你会成功的，如果你努力的话。

He’s never really made it as an actor. 他当演员从未有所成就。

二、表示某人做成某事

You needn’t worry; he will make it. 你不必担心，他会办成的。

If you want to make it, better get doing. 如果你想把这事干成，就该动手了。 、 I can’t make it on Friday. 星期五我办不好。

Many high-wire walkers died on their last step, thinking they had made it. 许多走绳索

者死在最后一步上，这时他们认为已经演成功了。

I thought he would be too old to get to the top of the mountain, but he made it at last. 我原以为他年纪大爬不到山顶，但最后他还是爬上去了。

三、表示设法做到某事

I’ve been having violin lessons every two weeks, but I think I’ll make it every week from now on. 我一直是每两个星期上一次小提琴课，但是我想从现在起每个星期都上课。

四、表示及时赶上火车等

The train leaves in five minutes—we’ll never make it. 火车再有五分钟就开了——我们绝对赶不上了。

The train won’t leave for another ten

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