高中英语巩固练习 it的用法 2
高中英语It的用法
9. Meeting my uncle after all these years was an unforgettable moment, _____ I will always B treasure. Ａ．that Ｂ．one Ｃ．it Ｄ．What A 10. I prefer a flat in Inverness to ______in Perth, because I want to live near my Mom’s. A. one B. that C. it D. this 11. Cars do cause us some health problems — in B fact far more serious _______ than mobile phones do. A．one B．ones C．it D．those
Grammar It 的用法
1. it 作形式主语,代替不定式、动名词短语或主 语从句表示的真正主语： It is hard to deal with him. It is impossible for her to come. It is no good/use waiting here. It is evident that he is lying. It is not clear whether he will go or not. 2. it 作形式宾语,代替不定式、动名词短语或宾 语从句表示的真正宾语： I think it easy to repair the radio. I find it hard for her to do the math problems. He felt it no use learning English. I think it necessary that we should take exercise.
高中英语语法权威解析二---“It”用法及其句型和固定搭配讲解(附练习题)
第二章“It”用法及其句型和固定搭配讲解"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，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 one's while doing/to do…It's (well)worth while doing/ to do例It's no use crying over spilt milk.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/concern/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(verb = appear, seem, come about, emerge, follow, chance, happen, occur, transpire, turn out , work out)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) 某动作已有多长时间不发生了例It's 10 years that 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。
高中英语语法知识之It的用法总结
高考英语语法知识之It 的用法总结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, 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。
I.wa.the.tha.(who.cleane.th.classroo.yesterday.I.wa.i.th.stree.tha..me.he.father.2. It was 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.no....unti....的强调形式. It was not until she took off her dark glasses that I realized she was a famous film star.= Not until she took off her dark glasses did I realize she was a famous film star...didn’.realiz.sh.wa..famou.fil.sta.unti.sh.too.of.he.dar.glasses.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.4.I.i.importan..necessary.right.strange.natural....tha....由于主句中的形容词不同, tha.后的从句中要用虚拟语气（shoul..动词原形）, shoul.可以省去。
高中英语人教版浙江专版选修6Unit 4 Section Ⅲ Grammar— it的用法(2) Word版含答案
Section_ⅢGrammar—it的用法(2)语法图解探究发现①There is no doubt that the earth is becoming warmer and that it is human activity that has caused this global warming rather than a random but natural phenomenon.②It was a scientist called Charles Keeling, who made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997.③They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide.④It was during the 20th century that the temperature of the earth went up about one degree Fahrenheit.[我的发现]这些句子都是强调句，句中的黑体词部分标出了句中的强调句结构，即：it_is/was＋被强调部分＋that/who ...句首词用“it”；be动词总是用单数形式，即is或was。
连接词一般用that，当强调部分是人时，强调连接词也可用who。
一、强调句的基本用法强调句就是把句中要强调的部分(通常是主语、宾语、状语或状语从句)放在It is/was和that/who之间，原句中剩余部分放在that/who之后。
1．强调句的陈述句式“It is/was＋被强调部分＋that/who＋其他剩余部分．”The 2022 Winter Olympic Games will take place in Beijing and Zhangjiakou.→It is in Beijing and Zhangjiakou that the 2022 Winter Olympic Games will take place.在北京和张家口将要举行2022年冬季奥运会。
高中英语it作主语的用法专题辅导
号顿市安谧阳光实验学校高中英语it作主语的用法一、具有具体指代作用的作主语的it1. it作主语，可指代上下文提到过的事物或情况，代替前面出现过的单数名词。
如：—Where is my book?—It’s on your desk.2. it作主语，可替代前面出现过的this或that。
如：—What’s that over there?—It’s a temple.3. it作主语，可指代人，常用于说话者揣测心目中不清楚，或未看清楚，或不知其性别的人，尤其是婴儿。
如：—Look. There is a person coming toward us in the distance.—Who is it?(it代替person，不知性别)The baby is crying now. It may be hungry. (it代替baby)—Who is singing outside?—It’s Wang Hua. (it指推测的人)4. it作主语，可表示天气、时间、距离、度量衡以及环境等。
如：It is fine today.What time is it? It’s eight o’clock.It’s a half hour’s ride to our school.It is ten kilometers from the city to our hometown.It was very quiet at that moment.二、具有形式主语作用的it由于主语是由较长的主语从句、不定式短语、动词-ing短语等充当，为了使句子平衡，习惯上把它们放在句末，然后把it放在主语位置上作形式主语。
常见句型有：1. “it+be+形容词+that从句”。
这样的形容词有certain，difficult，easy，funny, important，likely，natural，necessary, obvious，possible，probable，strange，wonderful等。
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。
【高中英语】高中英语语法：It的完整用法
【高中英语】高中英语语法：It的完整用法除了课堂上的学习外，平时的积累与练习也是学生提高成绩的重要途径，本文为大家提供了高中英语语法：it的完整用法，祝大家阅读愉快。
it可用作人称代词、指示代词、先行词及引导词等。
1.人称代词it，就是第三人称单数中性，代表前文已提及过的一件事物。
例如：1)thatvaseisvaluable.it'smorethan200yearsold.那个花瓶很珍贵，它有200多年的历史。
2)iloveswimming.itkeepsmefit.我讨厌游泳，它能够并使我维持身心健康。
当说话者不清楚或无必要知道说话对象的性别时，也可用it来表示。
如：3)it'salovelybaby.isitaboyoragirl?宝宝真可爱，就是男孩还是女孩?it可用来指代团体。
如：it用来替代命令代词this,that.如：5)---what'sthis?---it'sapen.—这是什么?—是一支钢笔。
6)---whosebookisthat?---it'smike's.—那就是谁的书?—就是迈克的。
2.指示代词it，常用以指人。
如：7)goandseewhoitis.回去看一看就是谁。
8)---whoismakingsuchanoise?—是谁发出这样的吵闹声?---itmustbethechildren.—一定就是孩子们。
3.虚义it无指代性，常用作没有具体意义的主语，出现于表示天气、气候、温度、时间、地点、距离等意义的句子中。
如：9)itishalfpastthreenow.现在就是三点半钟。
10)itissixmilestothenearesthospitalfromhere.这里离最近的医院也有六英里。
11)itwasverycold;itsnowedandgrewdark.天气很冷;天下着雪，渐渐地变黑了。
以上就是为大家整理的高中英语语法：it的完备用法，期望同学们写作后会对自己有所协助，预祝大家写作开心。
高中英语语法知识之It的用法总结
高考英语语法知识之It 的用法总结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，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 was 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 she was a famous film star.= Not until she took off her dark glasses did I realize she was a famous film star.= I didn’t realize she was a famous film star until she took off her dark glasses.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.4. It is important ( necessary, right, strange, natural...) that ...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。
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巩固练习Ⅰ. 把下面句子译成英语，注意it的用法。
1. 过了很久他才回来。
________________________________________________________________________ 2. 我们两个月后才会再见面。
________________________________________________________________________ 3. 我离开这所学校已经20年了________________________________________________________________________ 4. 直到她摘下墨镜我才认出她是个著名影星。
________________________________________________________________________ 5. 是约600年前第一块带有表盘(face)和一个时针（hour hand）的钟表被制造出来的。
________________________________________________________________________ 6. 昨天是他们打扫的教室。
________________________________________________________________________ 7. 我是在大街上遇见她的父亲的。
________________________________________________________________________ 8. 我们弄清楚了我们要在何时何地开会。
________________________________________________________________________ 9. 据说所有的票都卖完了。
________________________________________________________________________ 10. 我们真的该采取行动了。
________________________________________________________________________ Ⅱ. 从方框中选出能够填入空白处的合适的连接词。
since, before, after, that, where, which1. The weather turned out to be very good, _______ was more than we could expect.2. It was not until ten o'clock ______ we got home last night．3. Look at the building. It was the theatre _______ Lincoln was murdered.4. Could it be in the restaurant in______ you had dinner with me yesterday_______ you left behind your keys and wallet?5. It's years ______I painted this beautiful picture.6. It will be years ______ I paint this beautiful picture.7. It was years ______ I painted this beautiful picture.8. It's for years ______ I have painted this beautiful picture.9. It worried the mother a lot _______ her son drove so fast.10. I think it important ______ you should attend the conference.Ⅲ. 单项选择。
1. I have always been honest and straightforward, and it doesn't matter ____ I am talking to. A．who is it B．who it is C．it is who D．it is whom2. It was the ability to do the job _______ matters not where you e from or what you are.A. oneB. thatC. whatD. it3. It was after he got what he had desired ______he realized it was not so important.A. thatB. whenC. sinceD. as4. It is not how much we do but how much love we put into what we do ______ benefits our work most.A. whoB. whichC. thatD. what5. It was April 29, 2011________Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.A. thatB. whenC. sinceD. before6. It was along the Mississippi River _______ Mark Twain spent much of his childhood.A. howB. whichC. thatD. where7．It was in New Zealand ______ Elizabeth first met Mr. Smith.A. thatB. howC. whichD. when8. It was 4 o'clock in the earth morning _________ he came to himself in the hospital.A. thatB. whenC. whileD. as9. It is these poisonous products ________ can cause the symptoms of the flu, such as headache and aching muscles.A. whoB. thatC. howD. what10. It was how the young man had learned five foreign languages ______ attracted theaudience's interest.A. so thatB. thatC. whatD. in which11. It was only when I reread his poems recently _______ I began to appreciate theirbeauty.A. untilB. thatC. thenD. so12．It was because of bad weather _______ the football match had to be put off.A. soB. so thatC. whyD. that13．It was where there had been a theatre _______ they built a new modern school.A. whereB. in whichC. thatD. so14．It was only with the help of the local people ______.A. was the mountain climber rescuedB. that the mountain climber was rescuedC. when the mountain climber was rescuedD. then mountain climber was rescued15．It was the bookstore _______ I met your brother the other day.A．where B. that C. on which D. in that16. —It's a long time _____ I saw you last.—Yes, and what a pity! It will be a long time ____ we see each other again.A. before, sinceB. since, beforeC. when, whenD. since, when17. It was ______ back home after the experiment.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 go18. The Foreign Minister said, “________ our hope that the two sides will work towardspeace”.A. This isB. There isC. That isD. It is19. I like _______ in the autumn when the weather is clear and bright.A. thisB. thatC. itD. one20. In which play is _______ your brother appears?A. that whereB. this whenC. it thatD. it where21. It was in the lab ______ was taken charge of by Professor Zhang ______ they did the experiment.A. where; thatB. which; whereC. that ; whereD. which; that22. If I can help ______, I don't like working late into the night.A. soB. thatC. itD. them23. As the leader of the village, she made ______ her duty to look after all the other people's affairs in the village.A. thisB. thatC. oneD. it24. I'd appreciate ______ if you would like to teach me how to use the puter.A. thatB. itC. thisD. you25. I just wonder ______ that makes him so excited.A. why it doesB. what he doesC. what is itD. what it is26. —He was nearly drowned once.—When was _______?—_______ was in 2010 when he was in middle school.A. that; ItB. this; ThisC. this; ItD. that; This27. _______in the regulations that you should not tell other people the password of your e-mail account.A. What is requiredB. What requiresC. It is requiredD. It requires28. Is ______student _______was caught smoking in the classroom?A. it that, thatB. that it, itC. it it, thatD. it which, that29. —Where did you get to know her?—It was on the farm ______ we worked.A. thatB. thereC. whichD. where30. I'm sorry you've been waiting so long, but it'll still be some time ______ Brian gets back.A. beforeB. sinceC. tillD. afterIV. It 句型翻译1.难以置信，这次英语考试她竟然没有及格。