贵州开磷设计研究院
四级语法：cet4-语法-it的用法
As soon as is born he begins to die.
It 的用法
1. 指事物
作为人称代词，it 可以除人以外的一切事物或动物。如：
I dropped my watch and it broke.
It’s hard work, but I enjoy it.
“Where is the dog?” “It’s in the room. ”
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2. 指人
it 指人主要用于指不性别不明的婴儿或用于确认某人的身份。如： Is it a boy or a girl?
There is a knock on the door. It must be my brother.
说明:在答语中，常用来指本人，如说 It’s me小说世界。
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3. 代替某些代词
代词 it 还可用于代替上文提到的指示代词this, that 以及复合不定代词 something, anything, nothing等。如：
---“What’s this?”
---“It’s a new kind of mobile phone. ”
Nothing is wrong, is it? 没出什么问题，是吗?
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二． It做非人称代词
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，称为非人称的it：1.指天气：It is a lovely day, isn’t it?It is a bit windy.2.指时间: It was nearly midnight when she came back.3.指环境: It was very quiet in the café.4.指距离：It is half an hour’s walk to the city centre.5指日期：What's the date today? It's the eleventh,October.6指季节： It is summer now.
7指度量：
It is about 20 pound/kg
8.指价值：
--- What's the cost of the dictionary?
日耳曼人---It is sixty-three.
9 It's 35 centigrade now. So I feel hot.
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Tom's mother kept telling him that he should work harder,but ______didn't help.
A.he B.which C.she D.it
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It用于强调句：
1. eg: It was the boy who caused the fire yesterday.
It’s I that/who am going to see my dentist.
It’s him that my sister love best.
It was at five o’clock that he came here.
Where is/was it that you met your formal teacher?
以上为it’s(was)+强调部分+that(who)…
wh-
is it that+s+V?
h-
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He was nearly drowned once.
-When was ______?
-______was in 1998 that he was in middle school.
A.that;It B.this;This C.this;It D.that;This
Was ______ that I saw last night at the concert?
A.it you & you C.you D.that yourself
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it充当形式主语：
1. It was very obvious that he was telling a lie.
=That he was telling a lie was very obvious.
It is true that the earth moves around the sun.
=That the earth moves around the sun is true.
以上为it’s clear/true/certain/possible/obvious+that(主语从句)
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2.It’s important that we (should) help each other.
It’s necessary that he remember as many words as possible.
It is strange that he stands here who left for US an hour ago.
以上为It’s important/necessary/strange+that+S+(should)+V特殊形容词，切记虚拟
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可别忘了：it’s important/necessary/strange+for sb+to do sth
平角怎么表示1.Is______necessary to complete the design before National Day?
A.this B.that C.it D.he
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3.It’s suggested that sports meeting (should) put off.
以上为it’s ordered/commanded;suggested;required;proposed+that+S(should)+V
表建议，要求，命令，主语从句
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4..It’s a shame that such a thing should happen in my class.
It’s a pity that he was ill,so he didn’t came here.
It’s a pity/shame that + should +V,译为竟然
S+V(该什么就什么)
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还有It’s a fact/a wonder/no wonder that
______is a fact that English is being accepted as an international language.
A.There B.This C.That D.It
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5.It’s reported that another accident happened in this area.
It’s said that he would come.
It’s estimated that 1.8 persons die and 4.1 persons was given to birth per seconds.
It’s said/reported/announced/claimed/believed/
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