it有什么用法啊

it作人称代词，可用来代替人、物或事。接下来，我给大家准备了it在英语里的用法,欢迎大家参考与借鉴。

it在英语里的用法

Who is knockingat the door—It's me谁在敲门是我 。

The ant is not gathering1 this food for itself alone Ithas two stomachs in its body蚂蚁不只 是为自己采食。 它的身体里有两个胃。

When service is interrupted2, as it was by last night'sstorm, John has to inform the pu blic what the company isdoing about the problem每当供电中断时，就像昨夜因暴风雨而造成的那样 ，约翰就必须通知大家，公司为解决这个问题正在做些什么。

二、作非人称代词，表示时间、天气、季节、距离、环境等。

It is tea time Mrs Tuner goes into the kitchen到了喝茶的时间了，特纳夫人走进了厨房。

It was winter it was ten degree below zero现在是冬天，气温是零下10度。

It is only half an hour walk to the tall tower 只有半小时的路程就可以到达高塔了。

It will be lovely in the park today今天公园里一定很好玩。

三、作先行词。

1作形式主语。英语中不定式、动名词、主语从句在作主语时主语往往显得很长，使整 个 句子 看上去有点 头重脚轻，这样就借助“it”来作形式上的主语，而把真正的主语移到句 子后边去，使全句看上去平稳一些。 “it”没有实际的意义。

It is fun for her to study, but it is difficult to studyand work at the same time对于她来说学 习是有趣的，可是要边工作边学习对她来说是困难的。

It is necessary for them to get an electrician3 to do thework for them对他们来说请一位电工来为他们做这项工作是必要的。

It will be no good learning4 without practice 学习而不实践是不好的。

It is no use talking to him about it和他谈这事没用。

It is possible that they're finished the bridge他们完成这座桥是可能的。

It is important that we should learn from each other andhelp each other我们应当互 相学 习，互相帮助，这是很重要的。

2作形式宾语。这种情况通常只用于能带以名词或形容词作宾语补语的动词后面。

In the 1870's, when Marx was already in his fifties, hefound it important to study the si tuation in Russia, so hebegan to learn Russian在19世纪70年代，马克思已经五十几岁了，他觉得研 究俄国的形势很重要，便开始学习俄语。

This has made it necessary for agriculture and industryto develop very quickly这就使得工 农业必须飞速发展。

四、构成强调句型。为了强调句子的某一成分，把引导词“it”用在句首，这种强调句 的结构是“It is (was )+所强调的成分(主语、宾语、状语)+that…”，表达的意思为“是…， 正是…，就是…”。“it ”在这种句型中本身没什么实际意义。

My temperature! It's my back that hurts我的体温!是我的背痛。

It is not only blind men who make such stupid mistakes 决不只有盲人才犯这样愚蠢的错误。

这里需要说明的是：如被强调的是人，则后面用who或that，如被强调的是物或其他 情况，则用that。

It was yesterday that I met Bob in your room 我就是昨天在你的房间遇见鲍勃的。

It was in your room that I met Bob yesterday 我就是在你的房间昨天遇见鲍勃的。

It was Bob that I met in your room yesterday 昨天我在你房间遇见的就是鲍勃。

相关 文章 ：

1 英语学习:it的用法

2 英语单词学习:it指人的用法

3 make it的用法例句参考

4 if句型的用法总结英语用法

5 英语高级语法

6 初三英语教程视频:Unit 9 When was it invented

it

it

[It; it]

代名词

1 [第三人称单数中性主格] 它,它

2 [第三人称单数中性受格]

a [直接受词] 它,它

I saw ~

我看到它

I gave it him

我把它给了他

b [间接受词] 它,它

I gave it food

我给它食物

c [介系词受词]

I gave food to it

我给它食物

3

Go and see who it is

去看看是谁

It's me (

口语)是我

It says, "Keep to the left"

它 [标示] 写著「靠左边走”

It says in the Bible that

圣经上说…

It says in the papers that

报纸上说…

4 a

It is impossible to master English in a month or two

要在一两个月内精通英文是不可能的

It will be difficult for him to come so early

要他来得那么早是有困难的

It's kind of you to give me a present

你真好,送我礼物

It is no use trying

试也白试

It isn't certain whether we shall succeed

我们是否会成功还很难说

It is strange that he says so

他这样说真奇怪

It is said that the universe is infinite

据说宇宙是无限的

b [作形式上的受词,以代表后述实际主词的不定词片语、动名词片语、that 子句等]

I make it a point to get up early

我强调要早起

They considered it impossible for us to attack during the night

他们认为我们不可能在夜间攻击

You will find it very nice taking a walk early in the morning

你会发现在清晨散步很好

I think it necessary that you (should) do it at once

我认为你必须立刻做那件事

I take it (that) you wish to marry her

我以为你想和她结婚

c

It is a nuisance, this delay

这样拖延真受不了

5 [作非人称动词 (impersonal verb) 的主词]

a [天气、气候的冷暖]

It is raining

正在下雨

It is getting hot

天气渐渐变热

It looks like snow

好像要下雪的样子

b [时间、日期]

It will soon be New Year

快要新年了

It is Friday (today)

今天是星期五

How long does it take from here to the park

从这里到公园要多久

It takes time to get used to new shoes

穿惯新鞋需要时间

c [距离]

It is 2 miles to the station

到车站 (距离) 有两哩

d [明暗]

How dark it is !

好暗啊, [事情、情况] !

How goes it with you today

你今天觉得怎样

Had it not been for you, what would I have done

要不是有你 (的帮助) ,我真不知该怎么办呢

f 作 seem [appear,happen,etc] that 的主词

It seems (that) he has failed

看来他已经失败了

It happened (that) he was not present

碰巧他没有出席

6(口语)

a [作某种动词无意义的形式上受词]

Let's walk it

我们走路去

Damn it (all)!

该死!糟了!

You'll catch it from your father

你会挨你父亲的骂

Give it (to) him!

教训他一顿!

→ Go it

b

If we miss the bus, we'll have to foot it

如果我们赶不上公共汽车,我们只好走路

cab it (

美)坐计程车去

lord it

→lord vt

king it

→ king vt

queen it

→queen vt 2

c [作介系词的无意义、形式上之受词]

I had a good time of it

我玩得很愉快

Let's make a night of it

让我们痛饮一晚吧

7 [在 "it is[was] that [who,whom,which,etc] "的句型中用以强调句子主词, (动词或介系词的) 受词,副词片语]

It is I that [who] am to blame

该受责备的是我

It is the price that frightens him

使他吓一跳的是那价钱

It was Franklin who wrote "God helps them that help themselves"

写“天助自助者”这句话的人是富兰克林

It was Mary (that) we saw

我们看到的是玛丽

It was peace that they fought for

他们作战为的是和平

It was in this year that the war broke out

战争就是在这一年爆发的

It was beer (that) you drank, not water = It was beer, not water, (that) you drank

你喝的是啤酒,不是水

have had it →have v

have what it takes →what pron

If it had not been for →if

If it were not for → if

it

[It; it]

《Italian vermouth 之略》

不可数名词

(英口语)! (甜味的) 义大利的苦艾酒

gin and it

杜松子酒与甜苦艾酒的混合酒

it

[It; it]

《it 的转借》

不可数名词

1 ! (捉迷藏等游戏的) 鬼

2 (口语)

a 极致,理想 (the ideal)

In that blue dress she was ~

她穿上那件蓝色衣服美极了

As a Christmas gift, this is really it

当作耶诞礼物,这是最理想的东西

b 重要人物,第一号人物,头号人物

Among physicists he is it

在物理学家中他是佼佼者

3 (俚)性的魅力,性感 (sex appeal)

That's it

(1) (问题) 就在那里

(2)就像那样,那样就可以

That's it for today

今天到此为止 (就此结束)

(3)那样就结束,那就是全部

This is it

(口语)终于到了时候 [紧要关头] ; 果然不出所料

with it

(1)不落伍的,时髦的,现代化的

(2)领悟力强的; 精明的,机警的; 知内情的

get with it

赶上时代,顺应新潮流; 警觉,留神

在中学英语中，常用 it 替代句子。现对此作一分析和归纳，供同学们学习时参考。

一 it 充当形式主语时，可将真正的主语从句置于句末。

A 谓语动词是被动形式时，常用 it 替代主语从句。例如：

It hasn't been decided whether the meeting will be held

这个会议是否召开，尚未定下来。

B 主句是疑问句或感叹句时，则必须用形式主语 it 替代主语从句。例如：

Is it necessary that she'll come？

她有必要来吗？

How strange it is that the children are so quiet！

孩子们如此安静，真奇怪！

C it 作为形式主语，常出现在下列结构中：

1 It +be+ 形容词＋主语从句。例如：

It's possible that we'll be a little late

我们可能会晚一点儿到。

It was most likely that one third of them lost their lives

他们当中很可能有三分之一的人丧生。

2 It +be ＋分词＋主语从句。例如：

It's surprising that there are so many unhappy marriages

有这么多婚姻不美满，真是令人吃惊。

It is suggested that the task （ should ） be finished in a week's time

有人建议在一周内完成这项任务。

3 It +be+ 名词（短语）＋主语从句。例如：

It's a pity that he isn't here

真遗憾，他没有在这里。

It's a question where we can find this material

我们在哪儿能找到这种材料还是个问题。

4 It + 不及物动词＋主语从句。例如：

It doesn't matter when they'll be back

他们什么时候回来无关紧要。

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

碰巧他在街上遇到了他的老师。

It seems / appears that someone is knocking at the door

似乎有人在敲门。

二 it 充当形式宾语时，真正的宾语要后置。

A 在 think， make， find， believe， feel， consider， hear 等动词后面跟复合宾语（宾语＋宾语补足语）时，要用 it 作其中的形式宾语。例如：

We think it necessary that you will help him

我们认为你很有必要帮助他。

I felt it a surprise that they were all unfriendly to me

我感到惊奇的是，他们对我都不友好。

注意：若此类动词后面没有形容词或名词作宾语补足语，则一般不用 it 作形式宾语。如不可说： We consider it that you will go there

B like， enjoy， love， hate 等表示“喜怒哀乐”的动词后面跟宾语从句时，可用 it 作形式宾语，而宾语从句要紧跟在 it 之后。例如：

I love it when you sing

我喜欢听你唱歌。

I hate it when she speaks of me

我讨厌她说我。

C 由动词和介词（除 except， but 外）构成的 think of， answer for， depend on， rely on， see to 等短语动词后面，常用 it 作形式宾语，然后再接 that 引导的宾语从句。例如：

I will answer for it that he is honest

我可以担保他是诚实的。

You may depend on it that he will come in time

你可以相信他会及时来到。

三 it 作形式主语时指主句所表示的内容。例如：

1 If it is possible， hold up the part of the body which is bleeding[!--empirenewspage--]

如有可能，就把流血的身体部位抬高。

句中的 it 是指主句 hold up the part of the body which is bleeding if 后面的 it is 常可省略。

2 I would like to see him as soon as it is possible

我想尽快见到他。

此句中只能用形容词 possible ，而不能用副词 possibly 因为 as soon as possible 是 as soon as it is possible 的省略形式。

3 I can discuss the matter with you now， if it is necessary

如有必要，我现在就可以和你讨论此事。

此句中的 if necessary = if it is necessary

四 用 it 指代一个分句乃至整个句子。例如：

1 Tom's mother kept telling him that he should work harder， but it didn't help

汤姆的妈妈喋喋不休地告诉他应该努力学习，但却无济于事。

2 He is over seventy， but doesn't look like it

他已经七十多岁了，可是看起来却不像那么大。

3 John is trying to finish writing his book this month， but he won't find it easy

约翰想在这个月把书写完，不过他会发现这并不容易。

4 I've broken the mirror It can't be helped

我把镜子打破了，这是无法补救的。

5 They won the match after three hours' struggle It wasn't easy， though

他们经过三个小时的拼搏赢得了这场比赛。不过，这是来之不易的。

注意：代替整个句子的 it ，不能用在 know ， remember， try， tell， forget 等动词之后。例如：

1 － The meeting has been put off

－ Yes， I know （不说： Yes， I know it ）

2 － Remember what he told you

－ I'll remember （不说： Yes， I'll remember it ）

3 － Be sure to tell him the news

－ I won't forget （不说： I won't forget it ）

希望能解决您的问题。

It 用法大全

一、指无生命、动物、植物和在性别不计或不详时指人和婴儿。There is a person knocking at the door Who can it be

二、指心目中的人或上文中提到的人或事物，这那它 He is fifty-two, but doesn't look it

Jim is ill Have you heard of it

三、可以代替指示代词this和that

What's this/that？ ------It's a book。

四、作无人称代词的主语，表时间、天气、距离、温度、环境和情况。It was noisy when I got to the room

五--表含糊概念，无补语，指从句叙述内容。

I hate it that I've made so many mistakes

I hate it when you can't discuss things openly

You may depend on it they are valuable

How's it going with you 近况如何？

Does it itch much 很痒痒吗？

Where does it hurt 哪儿疼？

Now you are in for it 现在你可以到家了。

It says in the Bible, "Thou shalt not steal" 《圣经》上说："勿偷窃。" Hang it all, we can't wait all day for him见鬼，我们不能整天等他呀！ There is nothing else for it but to stand 别无他法，只好忍受。Whose turn is it next 接下来轮到谁了You never had it so good 日子从来没有这样好。Take it easy 放松点！不要紧张！

How is it in the market 超市情况如何？

六----强调句中使用"It is/was+强调部分 （主语，宾语等）+that/who+其余部分"。如果强调的是特殊疑问句，表示"究竟，到底"等语气时，就用结构："疑问词+is/was it that +句子"，如：Where was it that you met him What is it that he wants to see When was it that you saw him

Why is it that you want to change your idea

这类强调句也可用作表语或宾语。The question is which book it is that you want to buy

He found out who it was that saved the drowning boy

如果强调谓语，谓语动词部分的语气用do，does，did，常译作"的确，千万，真的"

Do be patient! 千万要耐心！He does speak English well。He said he would come and did come

七、作形式宾语

a) 谓语动词appreciate, dislike, like, hate, love, make (按时到达，成功)等后接由if或when 等引导的宾语从句时，往往在前面加上形式宾语it。 I would appreciate it if you could come to my birthday party

2、动词have（表明，坚持说）、take（认为，猜想）、hide（隐藏）、publish（公布）、put（表达，写出来）等后接由that引导的宾语从句时，往往在从句的前面加上形式宾语。I take it that you will be leaving Shanghai soon我认为你不久就离开上海。

We published it that we had finished the project ahead of time 我宣布我们已经提前完成了这项工程。

3、 动词短语allow for（担保）、count on（期待）、depend on（依靠）、insist on（坚持）、see to（确保）等后接that引导的宾语从句时，必须冠以形式宾语it。 如：I am counting on it that you will come 我们期待着你的到来。

She'll see to it that he goes ahead。 她确保让他先走。

八、 作形式主语-it作形式主语，真正的主语可以是to do，doing 和clause等

It 做形式主语，真正的主语是动名词，这类结构是it be + adjective/noun + doing, 这类词有nice, good, useless, hard, foolish, enjoyable, worthwhile, 和名词use, good, fun, job, a waste of 等。如：It is no use trying to argue with Shylock

It 作形式主语时，常用于下列四种结构，且由固定译法

a) it + be + noun + that-clause

it is a fact that…事实上是……

it is common knowledge that众所周知的是……

it is a question that………是个问题

it is a pity that…可惜的是……

it is a wonder that………真是个奇迹

it is a shame that…可耻的是……

it is an honor that…非常荣幸……

it is a common saying that…俗话说……

it is no good that………是没用的

it is no use that… 做……是无用的

it is one's turn to do 轮到……做……

it is one's duty to do 做……是……的职责

it is one's fault to do 做……是……的过错

it is worth that 可以看出…；可以说……；

it is no wonder that…难怪……

it is no good that做……是没用的

it is no harm that做…是无害的，无妨是…

I think it would be a good idea to do 我认为做……是个好主意

it is a great joy/pleasure to do 高兴做……

it is a shame to do 做……不光彩

it is good manners to do 做……是有礼貌的

it is a waste of time to do…做……是浪费时间

b) it + be + adjective + that-clause

it is certain that…很肯定的是 ……

it is clear/evident that…很清楚……

it is unlikely that…未必会，不见得，不太可能

it is likely that…很可能……

it is better that…最好……

it is natural that…很自然……

it is necessary that有必要……

it is obvious that … 很明显……

it is important that重要的是……，……是重要的

it is impossible that………是不可能的

c) it + be + past participle + that-clause

it is said/reported that…据说/报道……

it is demanded that…按要求……

it is estimated that…据统计……

it is believed that… 据认为……；人们认为……

it can be said that…可以说……

it can be seen that …可见……，可以说……

it has been proved that…已经证明……

it has been shown that…业已表明……

it must be pointed that…必须指出……

it must be admitted that 必须指出/承认，

it must be realized that 必须意识到

it is acknowledged that 应该承认……

it is announced that…据称……，有人宣称……

it is observed that… 值得注意的是……

it is arranged that…已经商定……

it is pointed out that…有人指出……

it is proposed that 有人提议…，一般认为……

it is regarded/thought that 人们认为……

it is considered that 人们认为…，据估计……

it is declared that…据宣称……，有人宣布

it is described that… 据说……，

it is expected that…人们希望……，预期……

it is generally accepted that通常人们认为……

it is believed/recognized that 普遍认为……

it is hoped that…人们希望……

it should be noted that 应该注意/指出。。。；it used to be said that 常言道……

it was noted above that 如上所述……

it will be said that 有人会说……

it will be seen from that 由此可见……

it is stated that据称；据说；有人说；一般认为

it is suggested that 有人提议；据建议

it is supposed that 据推测；假定；人们猜测

it is usually considered that 通常认为

it is well known that 大家都知道，众所周知

it is not settled whether 是否……还未决定

d) it + be + intransitive verb + that-clause

it seems that/as if 好像是……

it happens/happened that 碰巧……

it follows that 由此可见……

it matters that 要紧的是……

it occurs/occurred to sb that 某人想到……

it struck me that 我突然想到……

it appears to …that 在……看来似乎

it doesn't matter if/whether 即使……也无妨

it goes without saying that ……不言而喻

it is not until … that…直到……才……

it is up to somebody to do 该……做……

it remains to be proved that 尚待证明

it remains to be seen that 尚待分晓

it remains for sb to do 有待某人做……

it so fell out that 结果是，终于

it turned out that证明是，结果是

it is worth notice that 值得注意的是

it looks as if 看起来好像，似乎

it makes no difference that…都是一样，无区别

it is not just like sb to do 某人不会做……

it takes somebody something to do 某人花费……做……

九、习惯用法

it all depends=that depends 视情况而定

if it is convenient to you 如果你方面的话

believe it or not 信不信由你

take it easy 别着急，慢慢来，别紧张， as it is 但是实际上，其实

see (to it ) that 设法使，务必做到

what become of somebody/something 是……的结局，发生于

if it had not been for 若不是=but for

after what seemed +时间

it was not long before 不久就

cab it 乘车 brave it out 拼命干到底

walk it 步行 do/go it alone单q匹马的干

beat it =go away 滚

make it =succeed in doing 办成功

come it 尽自己的分内事come it strong 做的过分lord it over 欺压take it out of sb 拿某人出气have it out with sb 和某人讲个明白be hard put to it 在艰难之中

You're it 你下一个（用于儿童游戏中）

Is that it = Is that all you wanted me for 你要的就是这些吗？

十、 It's + adj + for/of somebody to do sth选择of 还是for，要根据形容词来决定，如果表示人的内在品质，后面引出的名词既是前面形容词的主语，也是动词不定式的逻辑主语，那么用of, 这类形容词有kind, brave, merciful, fine, cruel, selfish, stupid, clever, wise, unfair等；如果表示难易程度，可能性，等外在的特征，而且所引出的词只作后面动词不定式的主语，这类形容词有easy, difficult, hard, impossible, possible, convenient 等等。比如：

It is easy for you to make it

It is impossible for him to walk 30 miles within one minute

It is very kind of you to help me

It is wise of you to take his advice

十一、it 引起的容易混淆的时间句型

1、 it is/has been +段时间+since-clause 这个句型表示从since谓语动作发生以后到现在或过去所经过的一段时间，意思为："自从……以来已经多久了"，主句多采用一般现在时，从句用过去时，如果表示过去的情况，since 主句用一般过去时，从句用过去完成时，或主句用过去完成时，从句用一般过去时。要注意：since引导时间状语从句时，从句若使用终止性动词，则表示该时间是从现在算起的；若使用延续性的动词，则表示时间是从过去算起的。如：

It's five years since they got married（从现在算起） It's five years since they were married (从过去算起)

It is three years since his father passed away

2、 it be +段时间+before-clause ---这个句型中的时间是段时间（long years, months, weeks, days, hours, minutes）,主句中的谓语动词用肯定式，意思为："过多长时间才……"。主句谓语动词是否定式时，意思为："没过多长时间就……"。主句的时态可用过去时was或将来时will be，用was时，before从句的时态用一般过去时，用will be时，从句常用一般现在时。如

It was not long before he learned those poems by heart她没过多久就会背那些诗了。

It was long before the police arrived

It will be hours before he makes a decision

It will not be hours before we meet again

3、 it be +点时间+when-clause这个句型中，it指时间，而且表示时间的词语前没有介词，时间为具体时间。主句中的谓语部分和从句中的谓语动词在时态上一般是一致的，主句是will be时，从句中用一般现在时替换将来时。如：It was already 8 o'clock we got there

It will be late afternoon when they get there

it be +时间+that-clause 此句型为强调句型

4、 it be +high/about 时间+that-clause 此句型是个虚拟语气句型，表示是该做……的时候了，此时无论主句中的be是什么时态，从句中的谓语动词一律用一般过去时或者should do，high和about是用以加强语气的。如：It is high time that we he went to school

It is time that we should make people's life a little better

6、It/This/That be the first(second/third…) time that-clause这个句型表示说话时为止某人的一种经历，关键是time前面的序数词，主句是is时，从句要用现在完成时，主句是一般过去时，从句要用过去完成时。

This is the first time (that) these Europeans have visited the Great Wall

It was the fifth time (that) I had paid a friendly visit to America

十二、下面的句型中用there而不用it。

There is something wrong with… ……有毛病

There is no doubt of/that 无疑……

There is no need for/to do 不需要做……

There is no denying 无可否认……

There is no hurry about 无需慌忙……

There is no difficulty in 在……方面没有困难

There is no help for ……没有办法

There is no deference between ……没有区别

There is no lack of 有很多的，不缺乏

There is no possibility of/that 没可能

There is no room for 没有……的余地

There is no sense in ……是没有意义的

There is no sign of 没有……的迹象

There is no saying that ……难以断言，很难说

There is a chance that/of 很可能

There is a possibility that/of有可能

There is a slim hope of ……有微小的希望

There is some difficulty in 在……有困难

There is some trouble in 在……有麻烦

There appears to be 似乎有

There seems to be似乎有，好像有

There used to be （过去）常常有，原来这里有

There was a time when从前曾经有一个时候

There is evidence that ……显然

There is no probability of/that很难有/会

it的用法

(1)it作无人称代词：it作无人称代词表示自然现象、气候、时间、距离等it是形式主语没有词汇意义如： 1)It is very cold today．(气候) 2)It is three o'clock．(时间) 3)It is along way from here．(距离)

(2)it作人称代词：it作人称代词时,用来代替上下文中提到的事或物,有时可代替整个句子的内容

(3)his(was)+形容词十不定式(to do),it为形式主语,不定式短语为真正主语 (过去分词)

(4)his+{形容词}+that(what,how,whether．．．),it为形式主语,that引导的为主语从句 (名词)

(5)It+不及物谓语动词+that引导的主语从句这些动词有：seem,appear,turn out,follow,happen等

(6)It may well be that引导的主语从句

(7)it作形式宾语： 1)某些及物动词+it+形容词十不定式； 2)某些及物动词+it+形容词+that 在上述两种句型中,it是形式宾语,真正的宾语是不定式短语,或that引导的宾语从句

(8)it用于强调句型： It is(was)十被强调的成分+that(which,who) 强调句型是简单句,可以用来强调句中主语、宾语和状语,但不能强调定语和谓语在这种句型中把his．．．that去掉,句子仍成立 代词在句中分析与翻译的

1、it一般指无生命的物或动物

I have bought a chair It is made of pine wood我买了一把椅子。它是松木做的。

2、it某件事（it指代的是什么，从上下文来判断）

Take it easy不要紧张。

3、做主语，指代时间、日期、距离、天气等，it做非人称代词

It is snowing on the mountains 山上正在下雪。

4、形式主语，真正主语可能是动词不定式，动名词或主语从句，一般后置。

It is dangerous to play with fire玩火是危险的。

5、形式宾语，真正宾语可能是动词不定式，动名词或宾语从句，一般后置。

I find it impossible to get on with Li Tao我发现和李涛相处不下去。

6、用在强调句it's …who/that…中，强调主语，宾语或状语（被强调的是人，用who/that；其他用that）

It was John who broke the window是约翰打破了窗户。

一、it作人称代词的用法

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。

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。

3、代替某些代词。代词it还可用于代替指示代词this、that 以及复合不定代词 something、anything、nothing等。

二、it用作形式主语。当不定式、动名词、从句等复杂成分用作句子主语时，为保持句子平衡，通常把真正的主语放在句末，而在句首使用形式主语it。

三、i

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