it用法考点归纳

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it用法考点归纳

it 用法考点归纳一、考点聚焦（一）、it 的基本用法 1. 用作人称代词，代替前文提到过的事物。

The train has arrived. It arrived half an hour ago. 2. 用以代替提示代词 this, that。

Whats this? Its a knife. Whose watch is that? Its mine.

3. 起指示代词的作用，指一个人或事物。

Who is knocking at the door? Its me. 4. 指环境情况等。 It was very noisy (quiet) at the very moment. 5. 指时间、季节、天气、气候等。

What time is it? Its eight oclock. It often rains in summer here. 6. 指距离。

It is a long way to the school. 7. 作形式主语。

替代作主语的从句、动词不定式、动名词，而把真正作主语的从句、动词不定式、动名词置于句尾。

It 作形式主语的常见句型：

1) 代作主语的动词不定式，其句型为（1）It be adj. (for sb.) to do sth. 此处 adj. 通常为描述事件的形容词如：

easy, difficult, hard, necessary, unne-cessary, possible, impossible, likely, unlikely, right, wrong, important, unimport-ant, legal, illegal, well-mannered, ill-mannered,

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polite, impolite, clear, obvious, certain, suitable, proper,

fit, useful, useless, dangerous 等。

例如：

It is illegal (for a teenager) to drive a car without a

license. （2）It be adj. of sb. to do sth. 此处 adj. 通常

为描述人的形容词：

kind, unkind, nice, rude, cruel, considerate, thoughtful, thoughtless, careful, careless, silly, foolish, stupid, clever,

wise, crazy 等。

例如：

Its kind of you to help me with the problem. 2) It 替

代作主语的动名词的常见句型 Its no good/use doing Its (well)worth doing Its (well)worth ones while

doing/to do Its (well)worth while

doing/ to do 例如: Its no use crying over spilt milk.

3) It 替代作主语的从句常见句型（1）It is + noun +从句例

如：

It is no secret that the president wants to have a second

term at office. （2）.It is adj. +clause Its surprising

that (should)竟然 Its a pity/shame that(should)竟然

例如：

Its important that you should apologize to her for your

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her for your rudeness.) （3）It verb sb. + clause= It is v-ing

+ clause It+surprise/delight/interest/disappoint/worry/disturb/annoy

/amaze/bother/concern/frighten/please/anger sb. that 例

如：

It worried me that she drove so fast.(= It was worrying that

she drove so fast.) （4）It verb (to sb.) that= sb/sth verb

to do 此处常用的动词有：

appear, seem, come about, emerge, follow, chance, happen, occur, transpire, turn out , work out 等。

例如：

It (so) happened/chanced that they were out.(= They happened/chanced to be out.) （5）It is v-ed that=sb/sth is

v-ed to do 该句型常用下列一些动词的过去分词：

say, report, think, believe, hope, expect, agree, accept, decide, determine, intend, plan, understand, know。

例如：

It is said that the couple have gotten divorced.(=The couple are said to have gotten divorced. （6）It is v-ed that (should) 该句型常用一些表示要求、建议、命令的动词如 demand,

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