it的用法及强调句型
it作形式宾语和引导强调句的用法小结
it作形式宾语和引导强调句的用法小结
1. IT作形式宾语的用法：
- 当主语是不定式或从句时，可以用it作为形式宾语。
例：I find it difficult to understand this book.（我发现理解这本书很困难。
）
- 当主语是动词的-ing形式时，可以用it作为形式宾语。
例：I enjoy it when you sing.（当你唱歌时，我很享受。
）
2. 引导强调句的用法：
- 强调句一般由以下结构构成：It is + 被强调部分 + that/who + 其他部分。
- 当被强调部分是名词时，用that来引导强调句。
例：It was John who won the competition.（赢得比赛的是约翰。
）
- 当被强调部分是代词时，用who来引导强调句。
例：It was he who broke the vase.（打破花瓶的是他。
）
- 当被强调部分是形容词或副词时，用that来引导强调句。
例：It is very important that you study hard.（你努力学习非常重要。
）
需要注意的是，强调句的语序需要颠倒，被强调部分放在句首。
此外，引导强调句的it没有实际意义，只起连接作用。
高考重点：It的用法以及含有it的句型
高考重点：It的用法以及含有it的句型英语中it 一词结构看似简单，但其词义广泛，使用范围很广，常令一些初学者感到头痛。
It用法及其句型和固定搭配，是英语语法的重点、难点，又是近几年考试的热点,在高考中也是重现率较高的语言点，其考查方式多通过“单项填空”进行，偶尔也出现在“短文改错”和“完形填空”中。
因此在复习中应给予足够的重视。
下面笔者就it的用法简单归纳如下。
一、代替上文中提到过的人或事物。
指代人时，一般用于小孩或身份不十分明朗的人。
1) －Who is the baby? －It‘s my teacher’s son．2) －Who is that gentleman? －It's my friend Tom．He(不可用It) wants to see you．不定代词one 指代前文提到的同类事物之一，而it 特指上文中提到的同一事物。
试对比：This pair of shoes is small. May I have another one？（泛指的另一双）这又鞋子太小了，再拿一双给我看看好吗My pen is missing.Ican’td find it.我的钢笔丢了找不到了(it指my pen)二. it 作为无人称动词的主语，表示天气，时间，距离，环境情况等等。
这时的it 不指某个具体的东西。
没有明确的含义。
译成汉语可不必译出来。
如1).It‘s half an hour’s walk from here to our school．从这儿到我们学校是步行一个小时的路程2) It‘s nice and warm here．这里非常暖和3) But it's two o'clock now, and it's time for us to go to school．两点了该是上学的时间了4) It’s quite close in the room . Let’s open the window for a while。
(完整版)英语强调句及it用法大全
英语强调句及it用法大全强调句、It的用法、省略和插入语一、强调句（一）强调句句型1、陈述句的强调句型：It is/ was + 被强调部分（通常是主语、宾语或状语）+ that/ who （当强调主语且主语指人）+ 其它部分。
e.g. It was yesterday that he met Li Ping.2、一般疑问句的强调句型：同上，只是把is/ was提到it前面。
e.g. Was it yesterday that he met Li Ping?3、特殊疑问句的强调句型：被强调部分（通常是疑问代词或疑问副词）+ is/ was + it + that/ who + 其它部分？e.g. When and where was it that you were born?4、强调句例句：针对I met Li Ming at the railway station yesterday.句子进行强调。
强调主语：It was I that (who) met Li Ming at the railway station yesterday.强调宾语：It was Li Ming that I met at the railway station yesterday.强调地点状语：It was at the railway station that I met Li Ming yesterday.强调时间状语：It was yesterday that I met Li Ming at the railway station.5、注意：构成强调句的it本身没有词义；强调句中的连接词一般只用that, who，即使在强调时间状语和地点状语时也如此，that, who不可省略；强调句中的时态只用两种，一般现在时和一般过去时。
原句谓语动词是一般过去时、过去完成时和过去进行时，用It was … ，其余的时态用It is … 。
it 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。
1.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在强调句中的用法考点透视
It在强调句中的用法考点透视高中高三英语教研组It一词是高中英语中考查比较频繁的一个词，it含义简单却用法众多，透过近几年的高考试题我们可以看出，各省份高考试题对it的考查十分频繁，尤其是关于it在强调句中的用法的考查更是成为了考查的热点。
以下本文结合近几年高考试题对it在强调句中用法的考查，来对it在强调句中的用法进行一个详细的解析和回顾，通过对照高考真题，归纳讲解it在强调句中的用法，以方便同学们进一步系统牢固地掌握有关it在强调句中的种种用法：1．强调句型的基本结构是：“It is (was) +被强调部分+ that (who) + 其它”被强调部分如果是指人则引导词可以用who，其余情况都用that。
强调句也可以有变体形式，例如：It may have been at the Christmas that John gave Mary a handbag.It might have been John who gave Mary a handbag.强调句的判定方法是：将强调句中的it is/was以及连接词that或who去掉，如果句子仍然成立，成分仍然完整，则说明该句是强调句。
强调句理论上可以强调除谓语以外的任何成分，但是在正式英语中，强调句也一般不强调表语（或叫做主语补足语），例如：It is I who am to blame. （强调主语）It was a new pen that Mother gave me.（强调宾语）It was in the classroom that I left my umbrella.（强调地点状语）It is at eleven that the train leaves.（强调时间状语）It was just as he ordered that I acted.（强调方式状语）It was because he was in trouble that I tried my best to help him.（强调原因状语）It was chairman that they elected him.（强调宾语补足语）相关高考试题：（1）It was after he got what he had desired _______ he realized it was not so important.（06年高考辽宁卷第35题）A. thatB. whenC. sinceD. as（2）David said that it was because of his strong interest in literature _______ he chose the course.（06年高考上海春季招生卷第35题）A. thatB. whatC. whyD. how（3）It is what you do rather than what you say _______ matters.（05年高考天津卷第9题）A. thatB. whatC. whichD. this（4）It was only with the help of the local guide ________.（05年高考上海春季招生卷第37题）A. was the mountain climber rescuedB. that the mountain climber was rescuedC. when the mountain climber was rescuedD. then the mountain climber was rescued 答案：（1）A（2）A（3）A（4）B2．强调句的疑问句形式：强调句的一般疑问句：Is/Was it + 被强调部分 + that /who强调句型的特殊疑问句：疑问词 + is/was it + that/who（1）I just wonder ____ that makes him so excited.（06年高考山东卷第32题）A. why it doesB. what he doesC. how it isD. what it is（2）—____ that he managed to get the information?—Oh, a friend of his helped him.（05年高考山东卷第31题）A. Where was itB. What was itC. How was itD. Why was it答案：（1）D（2）C3．It is/was not until…that…表示“直到……时候才”，也是一个强调句型。
it的用法
it的用法it有它等意思，那么你知道it的用法吗?下面跟着店铺一起来学习一下，希望对大家的学习有所帮助!it的用法大全：it的用法1：用it作人称代词,可替代无生命的东西或事情,在性别不详或无所谓时,也可指代人,尤其是指婴儿。
it的用法2：it作主语时,可指自然现象、季节、时间、距离、环境等。
it的用法3：it可以作先行词，用于强调句型中,强调主语、宾语、时间状语、地点状语、介词宾语或从句等,强调句型中的it一般指已发生过的事,而不指尚未发生或提及的事。
it的用法4：it还常用作形式主语或形式宾语,代替较长的真实主语或真实宾语(其形式多为动词不定式短语或that从句等)。
it的用法5：it可以代替前面提到的某个名词、代词或句子,但在believe, expect, forget, imagine , remember, think等词后常常省略。
it的用法例句：1. Beauty is an attitude. It has nothing to do with age.美是一种态度，与年龄无关。
2. English has hurt me a thousand times, but I still regard it as my first love.英语伤我千百遍，我待英语如初恋。
3. Success is not guaranteed. It is not handed to you. Success is earned.成功无法保证，并非唾手可得。
成功必须靠自己去争取。
4. Success is not final, failure is not fatal: it is the courage to continue that counts.--Winston Churchill成功不是终点，失败也并非末日，最重要的是继续前进的勇气。
5. If you're not satisfied with the life you're living, don't just complain. Do something about it.对于现况的不满，不能只是抱怨，要有勇气作出改变。
It 的用法及强调、倒装
It 的用法1.作实义代词可代替天气、日期、时间、季节、距离以及上文已经提到的或下文将要提到的人、物或某种情况。
It’s getting colder and colder.Who is it ? It is my brother.It’s winter. It was snowing hard.Hurry up! It’s already five to eight.It’s only one mile to our school.I bought a new book. But I have lost it.2.作形式代词作形式主语或形式宾语，代替不定式、动名词和从句。
It takes time to learn something well.It is no use learning without thinking.It is pity that you didn’t see the football game last night.I find it intersting to learn a foreign language.Do you think it worth buying the new TV?I wanted to make it clear that I didn’t attend the meeting.3. 用于强调句型1）用于it +is(was)+被强调成分+that(who)。
的强调结构中，一般只用于现在时和过去时，强调陈述句中除谓语动词意外的大多数句子成分。
It was my friend that (who) went to the theatre with me last Sunday.It is a great educator that he has become.It was they who told him the truth.2)如果强调句子中的地点或时间状语，连接词仍用that 而不能用where /when.It was last night that I went to see him off at the station.3)强调not until结构时，用于it be…that句型中，that 后面接肯定式。
it的用法_强调句型
[小 结] 考查名词性从句中强调句型 我们应注意的是： 1.陈述句句序； 2.特殊疑问词位置。
Good-bye!
Review (self-study )
1. it作人称代词,代替前面提到的事物. 2. it指代时间,季节,距离.
3. it作形式宾语,常用在动词为think , find,
make, believe…结构中.
4. it作形式主语. 当动名词,不定式,从句作主语
时,常用it作形式主语.
5.常见的句型结构，如：can’t/couldn’t help it
It is not until everyone is seated that the meeting will begin.
考查not until用于强调句型
1．It wasn't until nearly a month later______ I received the manager's reply． A．since B．when C．as D．that 2．Was it not until you began to work ______ how much time you had wasted? A. did you realize B. that you realized C. did you not realize D. that you didn't realize 3. Wasn't it until Michael ran into me ______ he recognized I was once his partner? A．then B．when C．which D．that
7．-- When was it _____ the Nanhai No．1，the sunken ship was raised from the seabed? -- 0n December 22，2007． A．that B．what C．／ D．which 8．-- Where was it _____ the earthquake broke out yesterday? -- In an Italian city． A．where B．which C．how D．that 9. -- _____ was it _____ they discovered the entrance to the underground palace? -- Totally by chance． A．What；that B．How；that C．When；how D．Where；how
It的用法
4. ___ one day they will have enough animals to set them free. A. It is hoped for C. As is hoped that B. what is hoped that D. It is hoped that
5. ____ inside his heart was beating wildly with fear. A. It appeared calm but B. He appeared calm, but C. What appeared calm was D. It was appeared calm, but
2. We must make ___ to the public that something should be done to stop pollution. A.What A.What is clear C. It clear B. it is clear D. that clear
3. I hate __ when people talk with their mouths with full. A. it B. that C. these D. them
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： “过了多长时间才……”。如：
will be But it ________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 但是在100年之后，这个国家才能恢复 到以前的样子。
强调句型和it的用法
强调句型It is (was) +被强调部分+ that (who)+ 句子其他部分。
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 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 shewas a famous film star.= Not until she took off her dark glasses did I realize she was= I didn’t realize she was a famous film star until she took off3. 强调句型的句式变换1）强调句型的一般疑问句形式句式特征：Is/ Was it +被强调部分+ that…2）结合特殊疑问词构成特殊疑问句形式句式特征：特殊疑问词+is/was it that…？•例句：•How is it that she turned down our help? 什么原因使得…？•Where was it that you met Tom yesterday? 究竟在哪…？•When was it that you met him in the park? 究竟何时…？•When and where was it that you got to know Mary? 究竟在何时何地…？•Who was it that that came up with the bright idea? 究竟是谁…？•Which book is it that you want to buy? 究竟是哪一本书…？•Whose umbrella was it that you took away? 到底是谁的伞…？3）在强调句型中考察主谓一致与比较结构。
英语中it用法全解析
英语中it用法全解析摘要本文主要介绍了英语中it的用法，包括以下几个方面：it作为人称代词，指代前文提到的或语境中明确的人或物。
it作为非人称代词，表示天气、时间、温度、距离等抽象概念。
it作为形式主语或形式宾语，代替不定式、动名词或从句等真正的主语或宾语。
it用于强调句型，突出句子中的某一成分。
it用于其他常见的句式和短语，表达不同的意思和功能。
1. it作为人称代词it作为人称代词，通常指代前文提到的或语境中明确的人或物。
它在句中可以作主语、宾语、定语或表语等。
例如：句子说明He took a quick look at the house and noticed it was veryold.it指代前文提到的house，作主语。
John hates children, and it is difficult to say why.it指代前面提到的事情，作主语。
She made it clear (that) we were not welcome.it作形式宾语，真正的宾语是that引导的从句。
It's me.it作形式主语，真正的主语是me。
2. it作为非人称代词it作为非人称代词，表示天气、时间、温度、距离等抽象概念。
它在句中通常作主语或宾语。
例如：句子说明It is raining.it表示天气，作主语。
It is an hour's walk from my home to the school.it表示距离，作主语。
It is a pity that I didn't think of it earlier.it表示一般情况，作主语。
I don't like it when you are angry.it指代后面的when引导的从句，作宾语。
3. it作为形式主语或形式宾语当不定式、动名词或从句等用作主语或宾语时，为避免头重脚轻或保持句子平衡，通常在句首使用形式主语或形式宾语it，而把真正的主语或宾语置于句尾。
it句型归纳总结大全
it句型归纳总结大全"it"句型是英语中常见的一种句型结构，通常用来强调或者指代特定的事物或情况。
下面是对"it"句型的归纳总结：1. 强调句型：It is (was) + 被强调的部分 + that/who + 其余部分。
例，It is the book that I want to read.（我想读的就是这本书。
）。
例，It was Mary who broke the window.（打破窗户的是玛丽。
）。
2. 虚主语句型：It + be + 形容词 + to do.例，It is important to learn English well.（学好英语很重要。
）。
3. 虚宾句型：It + be + 名词 + to do.例，I find it a pleasure to work with you.（我觉得和你一起工作很愉快。
）。
4. 指代句型：It + be + 形容词 + (for sb.) + to do sth.例，It is easy for me to solve the problem.（对我来说解决这个问题很容易。
）。
5. 天气句型：It + be + adj. + (for sb.) + to do sth.例，It is hot for us to go out.（对我们来说出去很热。
）。
6. 距离句型：It + be + 距离 + to + 地点。
例，It is five kilometers to the station.（离车站还有五公里。
）。
以上是对"it"句型的归纳总结，希望对你有所帮助。
如果你还有其他问题，欢迎继续提问。
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。
it在英语中的用法
it在英语语法中属人称代词，意思是“它”，用来指人以外的一切生物和事物。
它的用形式宾语，强调句型中等。
下面我们来详细总结一下it的用法，希望对大家的学习都一、用于指人以外的一切生物、无生命的东西和事情。
一般指说话者心目中已经了解或所指的生物、无生命的东西或事情、没有性别的区分1．指动物和植物。
如：—It looks like a cat！它看上去像只猫！Where's tea grown？It's grown in the southeast of China．2．指代一些无生命的东西。
如：Is it your watch？这是你的手表吗？Look at the rain！It's heavy，isn't it？看这雨！雨很大，对吗？3．代替上文提到过的整个事情。
如：Well，you mustn't play on the road．It's dangerous．It was hard work，but they really enjoyed it．二、用于指代人。
1．指代说话者心目中不太清楚的那个人，常在打电话或敲门时用。
如：—Who was it？是谁（打来的电话）？—Was it Susan？（打电话的）是苏珊吗？—Yes，it was．是的，我是。
—Who is knocking at the door？谁在敲门？—It's me．是我。
2．指说话者心目中的那个人。
如：—Is it your sister，Kate？（那旧照片上的 baby）是你姐姐凯特吧？—No！不是。
—I know—it's you！我知道了，（那）是你。
3．指代性别不详的婴幼儿或在不计较性别时，也可用it来指人。
如The child smiled when it saw its mother．这小孩一见到母亲就笑了。
I don't know who it is．我不知道他是谁。
强调句型_及It的用法
代替由不定 him.
引 式、动名词 We thought it no use
导 或从句等表 doing that.
词 示的真正宾 I’ve made it clear that
语。
nobody is allowed to
smokeቤተ መጻሕፍቲ ባይዱhere.
表示强调,其结构是: It is/was+强调 部分+ that+原句剩余部分。此结构 只限于强调状语、主语和宾语。 引 注意：①如果强调的是人, 其后用 导 that或who 均可; ②如果强调的是 词 物、时间或地点等状语, 其后只能 用that不用where、when、why。
7. --- Was it under the tree ___ you were away talking to a friend? --- Sure. But when I got back there, the bike was gone. A. that B. where C. which D. while 8. --- Why don’t we take a little break ? --- Didn’t we just have ____ ? A. it B. that C. one D. this
*若强调谓语,则 用do /does /did +动词原形,常 译为“的确” “一定”等,该 结构只能用于 陈述句或祈使 句中。引导的 强调句与其它 从句的区别在
Do be patient! (一定要 耐心点) He does want to learn English well. (他的确 想学好英语。) It was in the place that I was born. (强调句) It was the place where I was born. (定语从句)
it的用法、常用句型
I’d prefer it if I didn’t have to do so much
work.
I would appreciate it very much if you would
help me with it.
b. 动词+介词+ it + that从句 能用于此句型的主要有：depend on, answer for, see to。如： You may depend on it that he will turn up in time.
reputation of an honest man.
It was no accident that such a book should
appear in the 18th century. 2) “It + be +形容词+主语从句”中从句谓语常用 “（should +）动词原形（或完成时）”。常用 于本句型的形容词主要有impossible, strange,
2. —Steven’s parents have bought him a computer.
—__I_t _ __is__ __n_o_ _w__o_n_d_e_r_ (难怪) that he looks so happy.
3. Susana’s aim is to tell all citizens they have a duty to protect the environment, _is_n_’_t_ __it_ (对吗)?
2. Raise your leg and let 65 stay in the air for seconds. （辽宁2014第三部分）
It的用法(超全)
---------------------------------------------------------------最新资料推荐------------------------------------------------------It的用法(超全)用法及其句型和固定搭配，是英语语法的重点、难点，又是近几年考试的热点，因此在复习中应给予足够的重视。
句型归纳：1． It is ＋adj．(＋for sb．／sth．) ＋ to do sth．用于此句型的形容词有：easy， hard， difficult，possible， important， impossible，necessary， good， bad， exciting， interesting， surprising 等。
如：It is necessary to change your job． It was very hard for them to walk such a long way in the snow． 2．It is ＋n．(＋for sb．／sth．) ＋ to do sth．用于此句型的名词有：pity, shame, pleasure, ones duty, ones job, fun, joy, good manners, bad manners 等。
如：It is a pity for you to have missed such a wonderful play． It is bad manners for the young to take up the seats for the old． 3．It is ＋adj．＋of sb．＋to do sth．此句型中的形容词主要描述某人的品德、特征。
能用于该句型的形容词有：1 / 13kind, nice, wise, silly, polite, impolite, friendly, foolish, clever 等。
it的用法及强调结构(附常见考点解析及精选练习题)
it的用法及强调结构I. 作代词1. 用作人称代词，代替前文提到过的事物（是同一物）。
My pen is missing. I can’t find it anywhere.I was disappointed with the film. I had expected it to be much better.2. 代词it有时不特指某件东西，而代表前面提到的整个事情。
Tom’s mother kept telling him that he should work harder,but it didn’t help. (but连接两个并列分句，而不是非限制性定语从句，用it)The weather turned out to be very good,which was more than we could expect. （前面用逗号隔开，没有并列连词，是非限制性定语从句，which指代前面整个主句所表达的内容，用which不用it）3. 用来代替指示代词this,that.--- What’s this ?--- It’s a book.4. 表示时间、距离、天气、价值等。
It’s ten o’clock now.（指时间）---How far is it from here to the station?---It's about two kilometers.（指距离）It is rather cold today, isn't it?（指天气）---What's the cost of the dictionary?---It is twenty dollars.（指价值）5. 可用来指做某个动作的人或与某事有关系的人。
---- Who is making such a noise ? --- It must be the children.II. 引导词it1. 作形式主语，代替由不定式短语、动名词短语或从句表示的真正主语。
It的用法与强调句
（2）特殊疑问句： （只能对疑问词强调） 疑问词+is/was that(who)+剩余部分： Who came to see you this morning? Who was it that came to see you this morning? 4. 含有定语从句的强调句： It was in the lab that was set up by Mr. Smith that they finished the experiment. It was in Beihai Park ____ they made a date for the first time _____the old couple told us their love story. ( A ) A. where; that B. that; that C. where; when D.that; when
5. 强调宾语从句中的疑问词时： 主语+谓语+疑问词+it is/was+that+宾语从句 I don’t know where he comes from. I don’t know where it is that he comes From.
6.需要注意的地方： （1）如果原句中的谓语动词为现在或将来时 的各种时态，就用“ it is…”,如果原句中的谓 语动词为过去时的各种时态，则用“it was…” （2）不论被强调的主语是单数还是复数，一 律用“it is/was +who(that).
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it的用法及强调句型
用one，ones，it，that，those填空
(1) — I can't find my watch.
— You haven't found ______？ If you want to buy a new ______， I suggest you buy ______ made in China.
(2) We've got a big cup and two small ______.
(3) The weight of an elephant is much greater than ______ of a tiger.
(4) The books on the first shelf are easier than ______ on the second shelf.
(5) The boy told his story and ______ of the girl upstairs.
— Someone is knocking at the door. Who is it?
— It must be Leo. He said he'd come to see me.
It's too quiet in the room. Everyone just keeps silent.
根据语境补全句子
(6)— What time is it now?
— half past seven.
(7)— spring now and it's warm these days.
【注意】it指代时间时，有如下一些句型：
(1) It is time for sth. (for sb.)to do sth. / that－从句(should do / did, 必须用虚拟语气)
例：①It's time for lunch.
② It's time for us to clean the house.
③It's time that we should clean the house.
＝It's time that we cleaned the house.
(2) It is / has been ＋ some time ＋ since－从句 (从句用一般过去时)
(3) It / This is the first / second…time that－从句(必须使用现在完成时)
这是某人第……次做了某事。
It / That was the first / second…time that－从句(必须使用过去完成时)
例：①It is the second time that she has visited the Great Wall.
②This was the first time that I had come late to school.
(4) It was ＋时间点＋ when －从句
例： It was evening when we got home.
＝It was evening in which we got home.
(5) It was / will be ＋ some time ＋ before －从句
二、it作形式主语
(8) is possible for me to make a tour around the world.
三、it作形式宾语
①How did it come about that so many people were attacked?
② She feels it hard to get in touch with her old friend.
③ Mobile phones make it possible for us to keep in touch anywhere.
④ I have made it a rule to get up early.
I consider it no good chatting with strangers through the Internet.
I hate it when people speak with their mouths full.
I really appreciate it if you could help me with my math.
①You must see to it that the doors are locked before you leave the lab.
②You can depend upon it that we won't give up.
③I answer for it that she is an honest girl.
四、带it的一些固定词组
1．(You've / I've) got it. 懂了，明白了
2. Forget it. 算了吧，别在意，没关系。
3. take it easy 别着急，慢慢来；别过于紧张
4. make it 办得到，做成功
5. make it ＋时间把……定在(某时)
6. It / That (all) depends. 那要看情况而定。
7. It can't be helped. 没有办法。
/ 这是不可避免的。
8. It is hard to say. 情况很难说。
9. It comes to nothing. 没有什么结果。
10. Don't mention it. 不用谢。
11. That's it. 对了；正是。
12. catch it(口语)被责骂；受处罚
13. Believe it or not. 信不信由你。
14. It doesn't matter. 没有关系；不要紧；
15. When it comes to…当谈到……；当涉及……
16. Keep it up. 再接再厉。
一、强调句型的基本用法
1．强调句结构：It is / was ＋被强调部分＋that＋句子的其余部分。
2．句型解读：(1) it是引导词，强调的内容可以是句子的主语、宾语、状语。
如果被强调的部分是人，that 可用who代替，其他情况一律用that。
(2) 验证强调句的方法：去掉It is / was…that 结构后，可以把被强调的部分与句子其余部分还原为一个完整的句子。
二、强调句型的考点
(1) It was Edison who invented the lamp.
(2) It is Edison who invents the lamp.
It is I that am your English teacher.
He didn't go to bed until he finished his homework. (对画线部分进行强调)
→ It wasn't until he finished his homework that he went to bed. (强调句)
Was it not until he finished his homework that he went to bed?
When was it that he went to bed?
I really don't know when it was that he went to bed.
疑难】It is in the city where he was born that he works.
他工作的地方是他出生的那个城市。