高考重点 It的用法
高考英语语法总复习7it的用法课件
A. it
B. her
it作形式宾语
C. that
D. this
★it知识点补充★
it变化成形物代形式 注意区分its和it’s
it→its(它的)
it’s=it is
it和现三单 It sounds good.
it
it变化成反身代词 it→itself(它自己)
it变化成复数形式 it→they(他们 主格) it→them(他们 宾格)
注意: 某些动词(短语)后接从句时要用it作形式宾语，再接从句，构成“动词(短语)+it+that/if/when/...从句”，如： ①I hate/like it when... 我讨厌/喜欢... ②You should see to it that... 你应该确保... ③You can depend on it that... 你可以相信... ④I can’t help it if... 如果...我也没有办法 ⑤I would appreciate it if... 如果...我将感激不尽
★常用it作形式主语的句式★
(5)用于It is/was...that/who... 强调句中 1.It was they that/who cleaned the classroom yesterday.
昨天是他们打扫的教室。
2.They cleaned the classroom yesterday.
were using ___it___ every day.
此处作using的宾语，根 据语境可知，所填词指 代上文的railway，故填
it
(4)作形式主语或形式宾语，代替动名词、不定式或从句
2.I find it difficult to work with him.
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。
高考语法it用法详解
一. it作人称代词在特定的环境中，it可指人，如指婴儿、性别不详或身份不明的人。
e.g.1. The baby stopped crying as soon as it saw the woman.（指婴儿）2. —Who is it?—It’s me.（性别不详或身份不明）二. it作形式主语或形式宾语it可以作形式主语或形式宾语而把真正的主语或宾语后置。
1. 用it作形式主语的情况：(1) It＋系动词＋形容词＋that从句It is necessary/important/surprising/strange＋that从句，从句中谓语动词常用“should＋动词原形”形式，且should可省略。
(2) It＋系动词＋名词＋that从句It is a pity/a shame/good news/a fact/an honour/a wonder/no wonder/our duty＋that从句。
e.g. It’s no wonder that you’ve achieved so much success.难怪你取得了如此大的成功。
(3) It＋不及物动词＋that从句It seems/happened/turned out /occurs/appears＋that从句。
e.g. It happened that he was out when I called on him.当我去拜访他的时候，碰巧他出去了。
(4) It＋系动词＋过去分词＋that从句It is said /reported/ announced/ believed/ thought/ well known/ hoped/ pointed out/ found out/ suggested/ ordered/ advised/ requested/ insisted/ required/ demanded＋that从句。
高考英语二轮复习：it的用法课件(共40张PPT)
二、it 作形式主语
⒊ it代替主语从句：这个主语从句可以用连词that引导，也可以用连接 代词或连接副词引导。
①It is clear ( obvious， true， possible， certain....) that ...该句型中 it 是形式主语，真正的主语是that 引导的主语从句，常译为＂清楚（显 然，真的，肯定……）＂ 是主语从句最常见的一种结构。 ➢ It is very clear that he’s round and tall like a t真正的主语移到句子 后部去，使句子显得平衡，避免“头重脚轻”。it作形式主语时，可以代 替三种形式：不定式、动名词和主语从句。
二、it 作形式主语
1. it代替不定式短语，常用于下列句型中： It + be +adj + (for/of sb.) to do sth. It + be + n + to do sth. It takes sb. some time to do sth. It’s up to sb. to do sth.
二、it 作形式主语
b) It doesn’t matter（It’s no wonder；It doesn’t make too much difference等）＋连接代词或连接副词引导的从句。 ➢ It doesn’t matter whether we go together or separately. ➢ It is no wonder why he came here too late.
高考英语it-的基本用法
3. It is clear ( obvious， true， possible， certain....) that ..... 该句型中it 是形式主语，真正的主语是tha）＂ 是主语从句最常见的一种结 构。 It is very clear that he’s round and tall like a tree. = That he’s round and tall like a tree is very clear.
11. It is ... when ...。 该句型中的 when 引导的是一个时间状语从句，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．．．＂ It was 5 o’clock when he came here. 12. It be ... before ... 该句型主句中的 it 指时间， 主句中的时态常是将来一般时或过 去时两种时态．主句中的表语多是long， not long ， 3 days ， 2 weeks 等表示时间段的词或短语，常译为＂．．．之 后．．．＂。 It was 3 days before he went to Beijing. It will be not long before he finishes his job. 13. It happens (seems， looks， appears ) that... 该句型中it是形式主语，that 引导的是主语从句，主句中的 happen ， seem等词是不及物动词。 It happened ( so happened ) that he met his teacher in the street. 碰巧．．. It seems that he will be back in a few days. 看来．．．
高考英语it用法
高考英语it用法在高考英语中，“it”的用法是一个重要且常考的知识点。
掌握“it”的各种用法，对于提高英语成绩和语言理解能力有着至关重要的作用。
首先，“it”可以用作人称代词，指代前文提到过的事物或情况。
比如：“I bought a book yesterday It is very interesting”在这个句子中，“it”指代的就是前面提到的“book”。
“it”还常被用作非人称代词，表示天气、时间、距离、温度等。
例如，“It's sunny today”（天气）“It's five o'clock”（时间）“It's a long way from here to the station”（距离）“It's very cold”（温度）在强调句中，“it”的作用也十分突出。
强调句的基本结构是：“Itis/was ＋被强调部分＋ that/who ＋句子其他部分”。
通过这种结构，可以强调句子中的主语、宾语、状语等成分。
比如：“It was Tom who broke the window”强调的是主语“Tom”；“It was yesterday that I met him”强调的是时间状语“yesterday”。
“it”作形式主语也是高考中的常见考点。
当句子的主语过长，为了避免头重脚轻，通常会用“it”作形式主语，而把真正的主语后置。
常见的句型有：“It is ＋ adj ＋（for/of sb）to do sth”，例如：“It is important for us to learn English well” 还有“It takes sb some time to do sth”，像“It took me two hours to finish my homework”“it”作形式宾语的情况也不少见。
常见的结构为“find/think/consider/make ＋ it ＋ adj／n ＋to do/doing/that”，例如：“I find it difficult to learn math” 这里“it”代替了后面的“to learn math”，使句子结构更加平衡。
it的用法
常见的固定用法有: make it 成功，安排在或定在某时间 forget it 别提了，忘了它吧 Don’t mention it 别提了，表示不用谢 It doesn’t matter 没关系 It(That) depends 视情况而定 You guessed it 你猜着了 It’s hard to say 很难说 It’s up to you to do sth.由你来决定做某事 I would appreciate it if... 如果……我将不胜感激。
5. It takes sb. ... to do sth. “做...要花费某人...” 成千上万的人们花了好些年才建好了长城。
It took thousands of people many years to build the Great Wall.
6. It doesn’t matter whether ( if ) ...
It is necessary that he (should) remember these words.
13. It is suggested/ordered /demanded/insisted/ commanded...+that 从句(should) do sth. 人们建议会议推迟。
It is suggested that the meeting ( should ) be put off. 有命令说我们要在两个小时内到达那里。
12. It is important / necessary/strange/ natural...+ that 从句(should) do sth. 我们学好英e (should) learn English well.
他把这些单词记好是很必要的。
高考英语中的it的用法、常用句型
It pleases me that he should want to talk with me. It so happened that he had just left for Tianjin. ★ “It +动词的被动语态+主语从句”。常用于 本句型的动词主要有accept, admit, allow, announce等。如： It’s accepted that the universe is endless. It is generally admitted that he is a trustworthy person. It was announced that all prisoners would be set free.
2）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.
I can’t answer for it that the boy is honest.
★ “It + be +名词+主语从句”中从句谓语常用 “（should +）动词原形”。常用于本句型的主 要有a pity, a shame, no wonder, no accident等。 如：
It is a great pity that he should be so greedy.
It is a shame that he should attempt to injure the
高考英语考点 15 It的用法
考点十五It的用法it作为代词用法非常灵活，可用于代替上文中提到的事物，代替上文中说到的一件事，代替不知情的人（尤其是不知身份、性别和姓名的人）。
也可用于表示时间、天气、距离、计算结果等。
还可用来代替不定式、动名词、从句等，充当形式主语或形式宾语。
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；可以是可数名词，也可以是不可数名词，在句子中既可以作主语，也可以作宾语。
1. 指动物和植物。
☞ Look at that bird. It always comes to my window. 看看那只鸟。
它总是飞到我的窗前来。
2. 指代无生命的东西。
☞This is my watch. It’s made in Switzerland. 这是我的手表。
它是瑞士产的。
3. 代替上文提到过的整个事情。
☞Well, you mustn’t play on the road. It’s dangerous! 哦，你不能在马路上玩。
这是危险的！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。
☞—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。
☞—Look, someone is coming. Who can it be? ——看，有人过来了。
他可能是谁呢？—It may be the headmaster. ——可能是校长。
3. 在回答用指示代词表示人的特殊问句时，常用it指人。
☞—Who’s that? ——那人是谁？—Is it Helen? ——是海伦吗？—Yes, I think you’re right. It’s Helen. ——是的，我想你说对了，是海伦。
三、用于指时间、距离和自然现象等1. 表示时间。
☞—What’s the date? ——今天是几月几日？—It’s the third of March. ——今天是3月3日。
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。
It的用法
归纳It的用法代词It的用法颇多。
在高考题中屡屡出现，而且历年来一直为高考命题热点，同时也是平时学习的重点与难点。
纵观近几年来的高考试题，不难发现高考对it的考查主要包括以下几种情形：①it用于强调句型；②it用于涉及表示时间的句型；③it作形式主语代替真正主语—不定式短语，动名词短语或that从句；④it充当形式宾语以及指代人或事物等。
下面就结合历届高考试题对it用法考查试加以分析及其归纳。
一、it 用作代词的用法用来指时间、地点、天气、距离、环境等。
it用于指代人或事物，以及时间、距离、天气、自然现象等。
近年来已成为高考热点如: ---What time is it? ---It is ten o'clock now. It is windy today.It is about ten minutes’ walk from here to the station.注：it表示时间时有几个重要句型，同学们要注意掌握他们的用法及其区别。
1）It is time ( about time ,high time ) that ... “是该做某事的时候了”。
该句型中that 后的从句应该用虚拟语气，常用过去时态表示虚拟。
有时也用“should + 动词原形”，should 不能省。
例如：It is time that we had breakfast.I It’s (about/high) time that we should take action.2) It be the first ( second ... ) time that ... “第几次做某事了”。
. 该句型中的that 从句用完成时态。
如果主句动词be是一般现在时，后面从句用现在完成时态；如果主句动词be是一般过去时，后面从句则用过去完成时态。
该结构中that 可以省去。
例如：It’s the third time that he has failed the driving test. It was the first time that I had been praised.3）It be+段时间+ since ... “自从……以来”该句型时间的计算一律从since从句的动作完成或状态结束时算起。
高考英语语法之it的用法
2. I hope there are enough glasse for each guest to have ________.(NMET 1995) A.it B.those C.them D.one 解析:答案为D.本题考查替代词it和 one的区别.it用于替代同类的,特定的, 同一的事物;one替代同类的,泛指的 人或物.根据题意"我希望有足够的杯 子使每个客人有一个."可知应用one 泛指enough glasses中的一个.
4)It is no use/ good + doing sth. It is no use trying again = It is of no use to try again. (5)It is + 被强调部分 + that/who + … Was it in the street that you met her? Who was it that called him "comrade"? It was not until yesterday that I met my old friend. It is in a small factory that my brother is going to work.(注意上述各句均为强调句型的"考点") 比较:It is a small factory where my brother is going to work.(定语从句)
(8)作形式宾语. I think it no use arguing with him. I found it very interesting to study English. He made it clear that he was not interested in that subject. (9)用于强调结构. It was Xiaoming whom ( that )I met in the street last night. It was in the street that I met Xiaoming last night. It ws last night that I met Xiaoming in the street.
高考英语中it用法浅析
高考英语中it用法浅析“it”用法及其句型和固定搭配是高中英语语法的重点和难点，也是近几年高考的热点。
它的用法极其广泛、灵活，既可以作人称代词，也可以作非人称代词；既可以充当形式主语和形式宾语，也可以用于强调结构中，构成强调句；它还常常用在某些动词或特殊词类之后，构成习惯用语。
下面就其在高中英语中的使用重点及难点通过例句加以总结：1.作人称代词1）指人，主要用来确定未知人的身份，也可以指性别不详的婴儿。
---Who is it? ---It’s me.---谁呀？---是我。
It’s a lovely baby. Is it a boy or a girl?是个可爱的婴儿，男孩还是女孩？2）指除了人以外的一切动物和事物，是第三人称单数（中性）。
It’s a pet dog. 它是只宠物狗。
I love swimming. It keeps me fit.我喜欢游泳，它让我保持健康。
3）表示推断(不管个数有多少)--- Who is making such a noise? --- It must be children.---谁这么吵？---一定是孩子们。
4）代替指示代词和不定代词Nothing is wrong, isn’t it? 没出什么问题，是吗？1.用作非人称代词，表示时间、天气、气候、距离、温度、地点、金钱等，在句中做主语。
It is six miles to the nearest hospital from here. 从这儿到最近的医院有6英里。
3.充当形式主语，本身无意义，只起一种先行引导的作用，后面的真正主语通常是不定式结构、-ing分词结构、或名词性从句。
1）典型句型：It be(is\was\will be )+ n.\adj.\participle + doingsth\ to do sth\that-clauseIt is difficult to translate this article.翻译这篇文章很难。
高考英语：it的用法
2）真实主语是主语从句。常见句型如下： a. It + be +名词+主语从句。如：
It is a great pity (that) he can't swim. It was no accident (that) such a book (should) appear in the 18th century. It was a puzzle whether he should get married. It was a mystery how the thieves got in.
from a store kman that Alice bought from a store last week. （强调宾语a walkman）
③It was from a store that Alice bought a Walkman last week. （强调地点状语from a store）
4. 强调句型用于特殊疑问句，被强调的通常 是疑问词。
注意：此强调句型不能强调谓语动词。若需 强调谓语动词，常用“助动词do / does / did + 动词原形”。
四、一些含it的固定句型 As someone puts it, ... 像某人所说的那样，…… Please see to it that ... 请务必…… When it comes to ... 当提到……时 It looks / seems as if ... 看起来好像…… It's time for sth. 该做某事了
浅谈it在高考中的几大考点
浅谈it在高考中的几大考点代词it在高考中几乎历年以单选题的形式出现，在考试中占有重要地位。
下面就它在高考中的考点加以总结归纳，希望对大家有所帮助。
一、it用作形式主语1. 经常在look，seem，appear，happen，occur等动词之后，后面接that从句或者as if从句。
（1）It occurred to me that he had been in prison.我突然想起他曾经蹲过监狱。
（2）It so happened that Jack had no money with him.杰克碰巧没有带钱。
2. 用于if引导的虚拟条件句。
（1）If it had not been for the fact that my leg got injured，I might have passed the exam.要不是我的腿受伤了，我可能早就通过考试了。
（2）If it were not for the fact that you were ill，I would ask you to do this r.要不是你病了，我将要求你做这件事了。
二、It作形式宾语1. 动词enjoy，like，dislike，love，hate，appreciate等词之后需要一个if 或when引导的从句时，此时先需要在动词后面接it。
I would appreciate it if you could help me.如果你能帮我，我将不胜感激。
2. 动词+介词+it+that从句Please see to it that you will bring enough money.出门时带上足够的钱。
三、It用于强调句1. Who was it that broke the window？究竟是谁把窗户打碎了？2. It was my physics teacher who（that）helped me a lot when I was in trouble. 正是我的物理老师在我处于困境时给了我很大帮助。
it用法总结(高考)
2) It is not until + 被强调的部分+ that…
该句型也是强调句型，主要用于强调时间状语， 译成“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 she was a famous film star.
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。如： • I dropped my watch and it broke. 我
把手表掉在地上摔坏了。 • It’s hard work, but I enjoy it. 工作很
辛苦，可是我乐意干。 • “Where is the dog?” “It’s in the
• See to it that you’re not late again. 注意千万
不要再迟到。
• Look to it that this doesn’t happen again. 注意
不要再发生这种事。
• You may rely on it that he’ll come to meet you.
=The letter took me an hour (to write). =I took an hour to write the letter.
(5) It is up to sb to do sth. 该由某人做某事 • It’s up to you to to make the choice. 得由你来
五、用于强调句型中
1) It + be+被强调部分 + that/who (a person) 从句 I met Tom in the park yesterday. 1) It was I who met Tom in the park yesterday. 2) It was Tom who I met in the park yesterday. 3) It was in the park that I met Tom yesterday. 4) It was yesterday that I met Tom in the park.
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高考语法点It用法总结一句型篇1.It is+被强调部分+thatIt was they that (who) cleaned the classroom yesterday. It was in the street that I met her father.It was with great joy ___he received the news that his lost daughter had been found. (2004 福建)A. becauseB. whichC. sinceD. that (D)2. It is not until +被强调的部分+ thatIt was not until she took off her dark glasses that I realized she was a film star. =Not until she took off her dark glasses did I realize she was a film star. =I didn’t realize she was a famous film star until she took off her dark glasses.It was ___back home after the experiment. (2004 湖北)A. not until midnight did he goB. until midnight that he didn’t goC. not until midnight that he wentD. until midnight when he didn’t go特殊疑问句：Wh-/How was/ is it that…?3. It is clear (obvious, true, possible, certain) that….该句型中it是形式主语，真正的主语是that引导的主语从句，常译为“清楚（显然、真的、肯定）”是主语从句最常见的结构。
It is very clear that he’s round and tall like a tree.=That he’s round and tall like a tree is very clear.4. It is important (necessary, right, strange, natural…) that…该句型和上一句同属一个句型。
由于主句中的形容词不同，that后的从句中要用虚拟语气（should+动词原形）should 可以省去。
建议记住该句型中的形容词。
It is important that we (should) learn English well.It is necessary that he (should) remember these words.5. It is said (reported, learned…) that…该句型中的it 仍是形式主语，真正的主语是that 引导的主语从句。
该结构常译为“据说（据报道，据悉……）It is said that he has come to Beijing.It is reported that another earth satellite has been put into orbit.6. It is suggested (ordered…) that…该句型和上一句属一个句型。
主句中的过去分词是表示请求、建议、命令等词时，that后的从句要用虚拟语气（should+动词原形）。
可以省略，常译为“据建议；有命令……”It is suggested that the meeting (should) be put off.It was ordered that we (should) arrive there in two hours.7. It is a pity (a shame…) that …在该句型中，that后的从句一般用虚拟语气（should+动词原形），should可以省去，表示出乎意料，常译为“竟然”。
没有这种意义时，则不用虚拟语气。
It is a pity that such a thing (should) happen in your class. 种事竟然发生在你们班上，真是遗憾。
It is a pity that he is ill. 生病了，真遗憾！8. It is time (about time, high time) that…该句型中that后的从句应该用虚拟语气，值得注意的是：常用过去时态表示虚拟，有时也用should+动词原形，should 不能省。
常译为“是（正是）……的时候……”It is time that children should go to bed. It is time that children went to bed.9. It is the first (second, …)time that…该句型应和上一个句型区别开来。
该句型中不用虚拟语气，而用完成时态。
至于用哪种完成时态，由主句的谓语动词的时态来决定。
如果是一般现在时，从句用现在完成时态；如果是一般过去时，从句则用过去完成时态。
该结构中that可以省去；it有时用this替换，常译为“是第一（二,…）次…”。
10. It is …since…该句型主要用作处理瞬间动词的完成时，要和表示一段时间的时间状语连用。
主句中是时间作表语，其时态是现在时和完成时，引导的从句通常是一般过去时态，而且是瞬间动词。
如果主句是一般过去时，从句则用过去完成时。
It is (has been) 5 years since his father died.It is almost five years ___we saw each other last time. (2005 北京)A. beforeB. sinceC. afterD. when11. It is …when…该句型中的when引导的是一个时间状语从句，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……”It was 5 o’clock when he came here.12. It be…before…该句型主句中的it指时间，主句中的时态常是一般将来时或过去时两种时态，主句中的表语多是long ,not long ,3 days, 2 weeks等表示时间段的词和短语。
常译为“…之后才”，“没过……就……”It was 3 days before he went to Beijing.It will not be long before he finishes his job.13. It happens (seems, looks, appears) that…该句型中的it 是形式主语，that 引导的是主语从句，主句中的happen, seem等词是不及物动词。
It happened (so happened) that he met his teacher in the street. (碰巧……) It seems that he will be back in a few days. (看来……)The Foreign Minister said, “__ our hope that the two sides will work towards peace.”(2004北京)A. This isB. There isC. That isD. It is14. It takes sb…to do sth.该句型中的不定式是真正的主语，it是形式主语。
译为“做……要花费某人……”It took thousands of people many years to build the Great Wall.15．It is no good (use) doing sth.该句型中的真正主语是动名词短语，主句中的表语可以是 no good (not any good), no use (not any use ).It is no good learning English without speaking English.16. It doesn’t matter whether…该句型中的引导的从句是真正的主语，该句型译为“不论（是否）……没关系……It doesn’t matter whether they are old.17．It is kind (of sb) to do sth.该句型中的不定式短语是真正主语，如果不定式的逻辑主语是由of引出，主句中的形容词必须是能表示逻辑主语的形容词。
常见的有：bad, brave, careless, clever, cruel, foolish good (好心的),honest, horrible, kind, lazy, modest, naughty, nice (有教养的),polite, rude, silly, stupid ,wise ,wrong等。
这个句型可以改写为sb.is kind to do sth.It is kind of you to stay so =You are kind to say so.18. It is necessary (for sb) to do sth该句型与上一句统属一个句型。
如果不定式的逻辑主语是由for 引出的，主句的形容词通常是表示重要性，紧迫性，频繁程度，难易，安全等情况的形容词。
常见的形容词有：important,necessary,natural,easy,safe,common,normal,hard,difficult,dangerous,u nusual, impossible, pleasant.等。
It is important for her to come to the party. =It is important that she (should) come to the party.19. It looks (seems) as if …该句型中it 无意义。
as if 引导一个状语从句，常译为：“看起来好像……”如果与事实不相符合，则用虚拟语气。
It looks as if he is ill. （真的病了）It looks as if he was ill. （事实上没有生病）It seemed as if he was dying.20. We think it important to learn a foreign language.该句型中的it作形式宾语。