高三英语it的用法

【导语】"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，⽆忧考整理了“it的⽤法”，欢迎阅读参考！更多相关讯息请关注⽆忧考！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 one'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/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的用法归纳
1. 代词：it可以代替前面出现过的事物、物品、动物等，做主语、
宾语、表语等。

例句：I saw a bird in the tree. It was singing beautifully. （我看见了一只鸟在树上。

它唱得很美。

）。

2. 指示代词：it也可以作为指示代词，用来指代某一事物或物品。

例句：I want this book, not that one. Give me it.（我想要这
本书，不是那本。

给我它。

）。

3. 不定式：it可以作为不定式的形式，表示“它”的含义，一般表
示时间、天气等。

例句：It’s nice to see you again.（很高兴再次见到你。

）。

4. 表示真理或存在：it可以用来表示某件事或事物的存在或真相。

5. 表示强调：it可以作为强调句的主语，强调句子中重要的信息。

例句：It was him who broke the vase, not me.（是他打破了花瓶，不是我。

）。

6. 虚主语：it可以作为虚主语出现在句首，表示无人称、无性别的
动作或状态。

it的七种用法1.指代特定的事物或物体："我正在使用这台电脑，它非常好用。

"拓展："it"也可以指代不确定的事物或物体，特别是当我们无法或不想具体描述时。

例如："我听到了什么声音，但我不知道是什么，我觉得有点可怕。

"2.指代动物，尤其是不知道其性别或不确定其性别时： "我看到一只猫，它在树上爬来爬去。

"拓展："it"也可以用于指代婴儿或不确定性别的人。

3.指代强调上文所提到的事物或观点： "我买了一辆新车，我花了很多时间挑选，但它真的很值得。

"拓展：这种用法可以强调前面提到的具体事物或主题，并给予它更多的关注或认可。

4.被用作形式主语： "It's important to exercise regularly."拓展：在某些句子中，"it"可以用作形式主语，代表主语部分的内容，尤其是当真正的主语是以后出现时。

5.引导强调句： "It was John who broke the vase."拓展：在强调句中，"it"被用作形式主语，而真正的主语将被放置在句子的后部，以便强调。

6.用于指示时间、天气和环境条件： "It's raining outside."拓展："it"在描述天气、时间或条件时，常用于英语中，例如："It's getting late." "It's hot today."7.在某些习语中，表示状态或情感： "I'm over it." （我已经度过了这个困境）拓展：在某些习语或俚语中，"it"用于表示情感、状态或体验，并在一定程度上代表所描述的特定情况。

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。

it 用法归纳关键信息项：1、 It 作人称代词的用法指事物指动物指婴儿指不明身份的人2、 It 作非人称代词的用法表示天气表示时间表示距离表示环境3、 It 作形式主语的用法代替动词不定式代替动名词短语代替主语从句4、 It 作形式宾语的用法动词＋ it ＋宾语补足语＋真正的宾语5、 It 用于强调句基本结构强调主语强调宾语强调状语11 It 作人称代词的用法111 It 指事物It 可以用来指代前面提到过的事物，以避免重复。

例如：“I bought a new book It is very interesting” （我买了一本新书。

它非常有趣。

）112 It 指动物当谈论动物时，如果不知道其性别或者不需要强调其性别，通常用it 来指代。

例如：“Look at the dog It is playing with a ball” （看那只狗。

它正在玩球。

）113 It 指婴儿对于不知道性别的婴儿，也可以用 it 来指代。

例如：“The baby is crying It m ight be hungry” （这个婴儿在哭。

它可能饿了。

）114 It 指不明身份的人当不知道对方的性别或者身份时，可以用 it 来指代。

例如：“There is someone at the door It might be the postman” （门口有人。

可能是邮递员。

）12 It 作非人称代词的用法121 表示天气It 可以用来表示天气状况。

例如：“It is sunny today” （今天阳光明媚。

）“It is raining heavily” （雨下得很大。

）122 表示时间It 可以用来表示时间。

例如：“It's eight o'clock” （现在八点了。

）“It was midnight when I got home” （我到家时已是午夜。

）123 表示距离It 可以用来表示距离。

高中英语It的用法一、代词It1.用作人称代词，代替上文出现的同一个事物，既可以指代可数名词，也可以指代不可数名词, 其复数形式是them。

如：---Have you seen my pen? ---Yes, it’s in the desk.★ it可以指人，多指婴儿或指身份不明的人（通常是只闻其声，不见其人时）。

例如: ---Who is knocking at the door? ---It must be Tom.★ it与one和that的区别：one指代单数可数名词，泛指同类事物中的一个；其复数形式是ones，泛指一些。

如：I prefer a flat in east district to one in west district.that用来替代前面提到的特指事物，既可以指代单数可数名词，也可以指代不可数名词。

代替单数可数名词可以用the one替代。

其复数形式是those,指代复数名词，表特指。

如：The weather here is not so good as that there.The days in summer are longer than those in winter.2. it用以代替指示代词this和thatA：Whose umbrella is that?B：It’s Mary’s.3. it用作非人称代词，表示时间、日期、地点、天气、温度、距离、环境等。

It’s a beautiful day.It’s time for the meeting.课堂练习1. Tom's mother kept telling him that he should work harder, but ____didn't help.A. heB. whichC. sheD. it2. We’ve been looking at the houses but haven’t found ____ we like yet.A. oneB. onesC. itD. them3. The Parkers bought a new house but ____ will need a lot of work before they can move in.A. theyB. itC. oneD. which4. I was disappointed with the film. I had expected ________to be much better.A. thatB. thisC. oneD. it5. ---Do you like ___ here?---Oh, yes. The air, the weather, the way of life. Everything is so nice.A. thisB. theseC. thatD. it6. We need a new cupboard for the kitchen. So Peter made ____ from some wood we had.A. itB. oneC. himselfD. another答案：DABDDB二、引导词it1. it用作形式主语It is uncertain whether he can come to Jenny’s birthday party or not.It’s a pity that you missed the exciting football match.It remains a question whether he will come or not.It is reported that 16 people were killed in the earthquake.It happened that I was out when he called.It’s necessary for the young to master two foreign language.It is no use arguing about the matter with him.2. it用作形式宾语动词+形式宾语+宾语补足语+真正的宾语。

it用法总结高中【导语】作者在这里给大家带来it用法总结高中（共17篇），希望大家喜欢!篇1：高中it用法总结it作人称代词：1、指代事物。

作为人称代词，it 可以指除人以外的一切事物或动物。

如：Sam picked up some knowledge of the puter just by watching others working on it. 山姆只是凭借看别人操作电脑就学到了一些电脑知识。

(指the puter) (山东)2、指代人。

主要用于指婴儿或未知的人。

如：I was just going to cut my rose bushes but someone had done it. Was it you? 我正要剪切我的玫瑰丛但(发现)有人已经这样做了。

是你干的吗？(未知的`人) (湖南某)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等。

如：—What’s this / that? 这/那是什么？—It’s an orange. 这/那是一个橘子。

it作非人称代词：1、it用于指时间、距离、价值、自然现象、环境等。

如：It rained heavily in the south, causing serious flooding in several provinces. 南方下了大雨，在几个省造成了严重洪灾。

(指自然现象) (天津某)2、it指代前面提到过的或谈话双方都明白的事情或情况。

篇2：it用法总结高中I didn't mean to break it— it was an accident.我不是故意打碎它的—这是个意外。

If it doesn't fit, you can always take it back.要是它不合适，你总还可以把它退回去嘛。

It didn't seem worthwhile writing it all out again.把这再都写出来似乎不必要。