it的用法及句型总结
(完整版)It的用法总结
It的用法总结在英语中,it有许多不同的用法,它既可以用作代词(如人称代词、非人称代词)，也可以用作引导词（作形式主语或形式宾语），还可以用来构成强调句型。
.it用作代词(1) 用作人称代词在句子中作主语或宾语；指前面已经提到过的事物、动物或人，且it指特定的事物；如果指前文中提到的事物中的任何一个，用one。
one可以与any, each, every, not等连用，但one不可代替不可数名词。
—where’s your car?—it’s in the garage. 你的汽车在哪儿呢？在车库里。
(指代物品your car)did you hit it? 你打中了吗？ (指代事件)the baby cried when it was hungry.这婴儿饿时就哭。
（指代婴儿，尤指性别不详或无所谓时）—who is that?—it’s me. 是谁？我。
(指一定情景中所确定的人或事物，此时相当于指示代词，代指this和that,有时也指人)—what’s this?—it’s a box. 这是什么？一只箱子。
(2) 作非人称代词表示天气、日期、时间、温度、距离、价值、路程、度量、自然现象与环境等。
也可模糊地指一般情形或上文的部分或整个意思。
译成汉语时，it通常不一定译出来。
it’s a long time since they left. 他们走后很久了。
it’s two miles to the beach.离海滨有两英里远。
that’s just it—i can’t work when you’re making so much noise.原因就在这里——你弄出这么大的声音，我工作不了。
另外，需要注意两点：（1）“it’s time…”后面可以接不定式和介词短语表示“是做……的时候了”。
如：it’s time for supper. it’s time to have supper.(2) “it’s time…”后面还可以接一个从句，但是从句中的谓语动词一定要用过去式即虚拟语气，如：it’s time we had lunch.是我们吃饭的时候了。
It的用法及典型句型归纳. 个人总结
It的用法及典型句型归纳一、人称代词it的最基本用法是作代词，主要指刚提到的事物，想法，以避免重复;也可以指性别不明或性别被认为是不重要的人或动物；未指明但谈话双方都明白的事情或情况。
①They watched the train until it disappeared in the distance.②Is this your dog？No, it isn’t.③I hate it when people talk with a full mouth.．二、.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：It is a lovely day, isn’t it? // It was nearly midnight when she came back.It is April First today. // It is some 3000 kilometers from A to B.It is three dollars. // 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＂┅清楚的（显然的，真的，可能的,肯定的．．．）＂⑵It is important ( necessary，right，strange，natural...) that + (should ) do (虚拟语气)┅是重要的(必要的,对的,奇怪的,自然的┅)⑶It is said (reported/ learned/believed/thought/known/told/hoped.....) that= sb / sth is said (reported/ believed /thought…) to do( to be doing/ to have done) sth＂据说（据报道，据悉．．．）＂。
it作为代词的用法总结
it作为代词的用法总结一、it 作为人称代词1. 表示特指的人或物：当我们想要提及已经被提到过的人或物时，可以使用 it 来代替。
例如：I saw a bird in the garden this morning. It was singing beautifully.2. 表示不具体指向的事物：当我们谈论天气、时间等与特定对象无关的概念时，可以使用 it。
例如：It is raining outside.What time is it?3. 用于强调句子中的主语或宾语：在强调句型中，it 可以用来指代原本句子中的名词，并将其放在句首。
例如：It was John who ate all the cake.It was the cat that knocked over the vase.二、it 作为形式主语或形式宾语1. 当真正的主语或宾语是一个从句时，我们通常使用 it 作为形式主语或形式宾语。
例如：It is important to exercise regularly.I find it difficult to understand his accent.2. 当强调整个动作而不是特定执行者时，也可使用 it 作为形式宾语。
例如：I find it interesting to learn new languages.She found it hard to say goodbye.三、it 作为虚主语1. 在一些较长的句子中，如果没有一个具体的主语和动词，我们可以使用 it 占据主语的位置，以保持句子的语法结构平衡。
例如：It is important to study before the exam.It seems that nobody is home.2. 在许多固定短语中，it 作为一个虚拟主语引入一个句子。
例如：It is said that he will be promoted soon.It doesn't matter if we arrive late.四、it 作为指代前文提到的内容1. 当我们在上下文中已经谈论过某个事物，并且想要通过代词回指时，可以使用 it。
it的用法及句型总结
It的用法一、Tell the functions for “it” in each sentence:1、---What’s the weather together?---It is fine.2. It is hard to communicate with him.3. I find it hard to communicate with him.4. It is Li that who cleaned the classroom.5. It is a book.二、It 用法归纳1，指代it （1）.用作人称代词：指代物、整个句子（2）用作非人称代词2，形式it：（1）作形式主语（2）作形式宾语3，强调it4，特殊句型5.在答语中指代this/that：1).---Whose book is that? ---It’s mine.三、特别注意：it,one和that作替代词的用法及区别1.it代替前面提到的同一事物,该事物既可以是可数名词也可以是不可数名词。
(特指，指代单数，指代物，同名同物)Can I borrow your pen?—Sorry，I’m using it.2.one代替前面提到的同类事物中的一个。
该事物只能是可数名词,前面可以有冠词,也可以被this、that或形容词修饰,其后也可以有定语。
（泛指，指代可数名词，指代人或物，同名异物）I have a bike. Do you have one?Eg:(1).I bought a dictionary three years ago and I am still using______ now.(2) I bought a dictionary three years ago but I am going to buy a new _______soon.(3).that代替前面提到的同类事物中特指的一个。
该事物既可以是可数名词也可以是不可数名词,必须要有后置定语,但不可以有前置修饰语。
It的用法及句型总结
It的用法及句型总结"It" 用法及其句型和固定搭配，是高中英语语法的重点、难点，又是近几年高考的热点，因此应给予充分的重视，现将it用法归纳如下：一、It用作实词表达以下概念:指代前文提到的事物，如前文中的this, that；替代前文中的内容；指代一位性别不明的小孩或未知的人；指代未指明但谈话双方都知道的那件事；指代时间、天气、气候、距离等自然现象……二、It用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：easy, difficult, hard, necessary, unnecessary, possible, impossible, likely, unlikely, right, wrong, important, unimportant, legal, illegal, well-mannered, ill-mannered, polite, impolite, clear, obvious, certain, suitable, proper, fit, useful, useless, dangerous…例: 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.例: It's kind of you to help me with the problem.(3) It替代作主语的动名词的常见句型:It's no good/use doing…It's (well)worth doing…It's (well)worth on e's while doing/to do…It's (well)worth while doing/ to do例: It's no use crying over spilt milk（覆水难收）.2. It替代作主语的从句常见句型：(1) It is + noun +从句例: It is no secret that the president wants to have a second term at office.(2) It is adj. +clauseIt's surprising that… (should)………竟然……It's a pity/shame that…(should)………竟然……例: It's important that you should apologize to her for your rudeness.(=It's of much importance that you should apologize to her for your rudeness.)(3) It verb sb. + clause= It is v-ing + clauseIt+surprise/delight/interest/disappoint/worry/disturb/annoy/amaze /bother/conc ern/frighten/please/anger sb. that…例: 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例: It (so) happened/chanced that they were out.(= They happened/chanced to be out.)(5) It is v-ed that…=sb/sth is to do(verb=say, report, think, believe, hope, expect, agree, accept, decide, determine, intend, plan, understand, know）例: It is said that the couple have gotten divorced.(=The couple are said to have gotten divorced.)(6) It is v-ed that … (should)…(verb=demand, request, require, order, suggest, advise, recommend例 It is suggested that they should begin with the third question.三、It作主语的句型1. It takes sb. … to do…(=sb takes…to do…)某人用多长时间做某事例: It took the men a week to mend our roof.(= The men took a week to mend our roof.)2. It's (just)(un)like sb. to do…（不）像某人做某事的风格例: It was (just) like him to think of helping us.3. It's (about/high) time that… should /v-ed…是该做某事的时候了例: It's(about/high) time that we should take action.4. It's the x-th time (that) … have v-ed…第几次做某事了例: It's the third time that he has failed the driving test.5. It is/has been… since …continuous v-ed(延续性动词) 某动作持续了多长时间例: It's 10 years since he lived here6. It was(not)… before…过(不)了多长时间某动作发生了例: It was not long before they arrived.四、It 作形式宾语用来替代作宾语的从句、动词不定式、动名词，而把真正作宾语的从句、动词不定式、动名词置于句尾。
高考英语It的用法
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-pounder3.，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.②It is a shame, isn’t it?③How is it going?(情况怎样)④It says in the newspaper that......3.指最好的或最渴望得到事物①He thinks he’s it. 他一直以为自己是最佳人选。
高考英语It的用法
高考英语It的用法It是高考英语中一个极其重要的词，其用法多样，在不同的语境中具有不同的意义。
下面我们将从it的用法、句型和固定搭配三个方面进行讲解。
一、it用作实词1、表示时间、天气、距离、温度等自然现象。
例如：It is Monday today.今天是星期一。
It is raining outside.外面正在下雨。
It is 5 kilometers away from here.距离这儿有5公里远。
2、表示观点、看法、态度等主观想法。
例如：I think it is a good idea.我认为这是一个好主意。
We think it is important to learn English well.我们认为学好英语很重要。
二、it用作形式主语当不定式、动名词或从句作主语时，为了保持句子结构平衡，避免头重脚轻，常用it作形式主语，代替不定式、动名词或从句，而把真正的主语放在句尾。
例如：It is important to learn English well.学好英语很重要。
It took me an hour to finish the homework.我花了一个小时完成作业。
三、it用作形式宾语当不定式、动名词或从句作宾语时，为了保持句子结构平衡，避免头重脚轻，常用it作形式宾语，代替不定式、动名词或从句，而把真正的宾语放在句尾。
例如：I think it is important to learn English well.我认为学好英语很重要。
He found it hard to learn English well.他发现学好英语很难。
四、it用于强调句型中强调句型是英语中一个重要的句型，用于突出强调某个成分，特别是主语、宾语和状语等。
在强调句型中，it没有实际意义，只是起到引导作用。
例如：It is I who am the best student in my class.我是班里最好的学生。
代词it的用法总结
代词it的用法总结it是常见代词之一，它既可以指代时间、地点、天气、距离等，还能作形式主语或形式宾语，同时可以引起强调结构，是历年高考热点之一。
现结合高考试题对其用法作一介绍。
一、用来表示时间、天气、地点、距离、环境、形势等。
例如：It is two miles to the beach. (Oxford) 这里到海滨有两英里。
It was raining in the morning. (Oxford) 今天早晨下着雨。
If it’s convenient I can see you tomorrow. (Oxford) 如果方便，我明天能见你。
it表示时间常用于句型：1、It is/has been+一段时间+since 从句。
意为“自……以来已有多长时间了”或“自不……以来已有多长时间了”。
例如：1)It is/has been many years since I was last in London 自从我上次到伦敦，已经有许多年了。
2)It’s a long time since we met last. 自从我们上次见面以来已经有很长一段时间了。
2、It is/ was/ will be + 一段时间 + before 从句。
表示“在(做某事)前过了多长时间”，或“过了多长时间才……”。
如：But it will be more than 100 years before the country begins once again to look as it did before.但是在100年之后，这个国家才能恢复到以前的样子。
二、用来指代人。
说明某人的身份或者做某事的人;指代婴儿或儿童;在不清楚某人性别时，也可使用 it，尤其在问答的形式中更为常见。
例如：---Look, someone is coming. Who can it be?---It may be the headmaster.---It can’t be him. He has gone to Shanghai.---It must be Mr. Zhang. He looks like the headmaster.三、用来指代前文中的内容，或指代整个主句。
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It的用法
一、Tell the functions for “it” in each sentence:
1、---What’s the weather together
---It is fine.
2. It is hard to communicate with him.
3. I find it hard to communicate with him.
4. It is Li that who cleaned the classroom.
5. It is a book.
二、It 用法归纳
1，指代it （1）.用作人称代词：指代物、整个句子
（2）用作非人称代词
2，形式it：（1）作形式主语（2）作形式宾语
3，强调it
4，特殊句型
5.在答语中指代this/that：
1).--- Whose book is that ---It’s mine.
三、特别注意： it, one和that作替代词的用法及区别
1. it代替前面提到的同一事物,该事物既可以是可数名词也可以是不可数名词。
(特指，指代单数，指代物，同名同物)
Can I borrow your pen—Sorry， I’m using it.
2. one代替前面提到的同类事物中的一个。
该事物只能是可数名词,前面可以有冠词,也可以被this、that或形容词修饰,其后也可以有定语。
（泛指，指代可数名词，指代人或物，同名异物）
I have a bike. Do you have one
Eg:
(1).I bought a dictionary three years ago and I am still using______ now.
(2) I bought a dictionary three years ago but I am going to buy a new _______soon.
(3). that代替前面提到的同类事物中特指的一个。
该事物既可以是可数名词也可以是不可数名词,必须要有后置定语,但不可以有前置修饰语。
（特指，指代单数或不可数，指代物，后面有定语）
The coffee produced in Brazil is more famous than __________in Mexico.
四：形式主语、宾语、强调句及其他
1、形式主语 It
It is important to give the money back to him on time. 不定式
It is no use arguing with such a person. 动名词
It is said that he was the in the competition. 主语从句
it作句子的形式主语, 后面被指代的主语包括：
不定式
动名词
主语从句
It替代作主语的动名词
It‘s no good/use doing…
It's (well)worth doing…
例It's no use crying over spilt milk.
形式主语中的虚拟语气
1.It is important ( necessary， strange， natural...) that ...
It is important that we (should) have enough rice.
2.It's surprising that…(should)………竟然……
例It's surpring that you should apologize to her without any reason.
3.It is suggested ( ordered /demanded/insisted/commanded... ) that ...
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．．．）
4.It is suggested that the meeting ( should ) be put off.
5.It is a pity ( a shame ... ) that ...
that后的从句一般用虚拟语气（should + 动词原形），常译为“竟然”。
没有这种意义时，则不用虚拟语气。
例如；It is a pity that such a thing ( should ) happen in your class.
6、It is adj ( for sb. ) to do sth.
important， necessary， natural ， impossible ， unusual ， rare ，normal ，easy ，hard ，difficult ，dangerous ，pleasant ，likely, right, wrong,, , clear,
obvious, certain, suitable, proper, useful, 等、
7. It is adj ( of sb. ) to do sth.
good （好心的）， nice（有教养的）， polite， kind ， brave ， careless，honest ，modest ，considerate, naughty ，wise ，clever ，thoughtful, careful, crazy， bad ， lazy ， rude ， cruel ，foolish ， silly ， stupid ，. 等。
这个句型可以改写为：sb. is adj to do sth. 。
It is kind of you to say so.
= You are kind to say so.
2、形式宾语it
I think it important to give the money back to him on time.
I find it no use arguing with such a person.
I knew it when he left without saying a word.
it 作形式宾语时，句子的真正宾语是：
不定式
动名词
宾语从句
固定句型：
1、owe it to sb. that…把…归功于…
2、see to it that:务必.../负责...
3、I like (enjoy, hate，dislike…) it when….: 我喜欢/讨厌...
4、I would appreciate it if…：如果...我将不胜感激
5、keep it in mind that…把…记在心里
6、I like (enjoy, hate…) it when….
7、I would appreciate it if…
3、强调句it
It is/was+被强调部分+ that(who)…
用来强调谓语动词以外的任何句子成分。
当
被强调部分是人时也可以用who。
4、其他含有it的句式
It is time ( about time ，high time ) that ...
例如：It is the first ( second ... ) time that ...
It is the first time I have been here.
= This is the first time I have been here
It is .... since ...。
since 引导的从句通常是一般过去时态，而且是瞬间动词。
“做某事已经多久了”
例如：It is ( has been ) 5 years since his father died.
It is…since +延续性动词的过去式“不做某事已经多久了”
例。
It‘s10 years since he had breakfast
It is ... when ...。
when 引导时间状语从句，主句中的 it 指时间，表语由具体的时间充当，常
译为＂当．．．的时候，是．．．＂
例如：It was 5 o’clock when he came here.
It be ... before ...
when从句中常是将来一般时或过去时两种时态．主句中的 it 指时间，表语多是long， not long ， 3 days ， 2 weeks 等表示时间段的词或短语，常译为＂．．．后．．．＂。
例如：It was 3 days before he went to Beijing.
It will be not long before he finishes his job.。