it的用法

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it的用法

语法：it的用法一.it 作人称代词1.it的最基本用法是作代词，指代前面所提到过的事情、事物、群体、想法，也可以指代未指明但谈话双方都明白的事情或情况。

如：The Parkers bought a new house but it will need a lot of work before they can move in.---I have broken a plate.---It (Breaking the plate) doesn’t matter.2.it也可以指代性别不明或性别被认为不重要的人或动物。

如：---Is it your dog？---No, it isn’t.二.it 作非人称代词1.指时间It is half past two now.2.指距离It is 6 miles to the nearest hospital.3.指温度It is very cold in the room.4.指天气A lovely day, isn’t it?/ It is a bit windy.5.指日期---What’s the date today? --- It’s May 1st, 2014.6.指季节It is winter now.7.指环境It was very quiet in the café.8.指价值---What’s the price of the T-shirt？---It is 150 yuan.三.it作形式主语1.it替代作主语的动词不定式（to do）(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, possible, right, important, polite, clear, obvious, useful, dangerous, legal, illegal等。

It的用法

“It” 的用法1.“it”作代词。

“it”可替代物、动物、抽象事物，还可以代天气、时间、距离、环境、温度等。

也可指代上下文提到的事物或某种情况，以及不明身份、性别的人和小婴儿，也可用于电话用语中替代this或that。

E.g. ① It's fine today.(weather)② It's hot today. (temperature)③ It's four o'clock now. (time)④ It's only 200 metres from my home to our school.(distance)⑤ It's noisy outside.(circumstance)⑥ --Who is knocking at the door?--It must be John.(an unknown person)⑦ --Who is it speaking?--It's Mary.(making a phone call)2.“it”作形式主语。

（1）It be +adj. +(for sb.)+ to do sth.此处的adj.为描述事物的形容词。

如：easy, hard, difficult, necessary, possible, impossible, likely, right, wrong, important, etc.E.g. ① It's easy for us to climb the hill.② It's difficult for me to work out the maths problem.(2) It be +adj.+(of sb.)+to do sth.此处的adj.为描述人的形容词。

如：kind, nice, rude, cruel, careful, careless, silly, foolish, stupid, wise, crazy, etc.E.g. ① It's kind of you to help me with this problem.② It's foolish of you to believe in such a person.③ It's wise of you to choose to study abroad.(3). It be + adj.+ doing sth.It's no good/use doing sth.It's (well) worth doing.E.g. ① It's no good arguing with him.② It's no use crying over spilt milk.③ It's no good drinking too much wine.(4) It be +adj./n. +Clause.It's a pity that…It's a fact that…(It's) no wonder that…It's obvious that…It's certain that…It's strange/important/necessary that…(要用虚拟语气）(用should+动词原形)It worries/surprises sb. that…It seems/appears that…It turned out that…It (suddenly) occurred to sb. that…It strikes/struck sb. that…It's said/reported/believed… that…It doesn't matter whether…It makes no di fference whether…(5)其它句型。

it的用法归纳

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

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。

“it”的用法

“it”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。

就这么简单吗？不！不仅不简单，而且很复杂。

下面就it的用法作一下梳理：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，在句子中既可作主语，也可以作宾语。

1．指动物和植物例：—Oh, that's Lucy's hat. 噢，那是露茜的帽子。

—It looks like a cat! 它看上去像只猫！Where's tea grown? It's grown in the southeast of China.什么地方种植茶？中国东南部种植茶。

2.指代一些无生命的东西例：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例：Well, you mustn't play on the road. It's dangerous.哦，你不能在公路上玩。

这太危险了！Picking apples was hard work, but they really enjoyed it.摘苹果是艰苦活，可他们都乐意去干（它）。

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例：—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。

（根据上下句，“it was”也可不译出来。

）再如：—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例：—Is it your sister, Kate? （那旧照片上的 baby）是你姐姐凯特吧？—No! 不是。

it的七种用法

"IT" 这个缩写有多种用法，以下是其中七种常见的用法：
1. 信息技术（Information Technology）：这是最常见的用法，指的是利用计算机和通信技术来处理、存储、传输和管理信息的领域。

2. 互联网技术（Internet Technology）：这是指与互联网相关的技术，包括网页设计、网络编程、网络安全等。

3. 信息技术产业（Information Technology Industry）：这是指生产和销售信息技术产品和服务的行业，包括计算机硬件、软件、通信设备等。

4. 信息技术部门（Information Technology Department）：这是指企业或组织内部负责管理和维护信息技术系统的部门。

5. 信息技术专业（Information Technology Major）：这是指大学或学院中培养信息技术人才的专业，包括计算机科学、信息管理等。

6. 信息技术服务（Information Technology Services）：这是指提供信息技术支持和维护服务的公司或组织，包括网络管理、数据备份等。

7. 个人信息技术（Personal Information Technology）：这是指个人使用的信息技术设备和应用，包括智能手机、平板电脑、个人电脑等。

以上是 "IT" 的七种常见用法，当然还有其他一些不太常见的用法。

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”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。

it的用法

it的用法it可用作人称代词、指示代词、先行词及引导词等。

可代表前文已提到过的一件事物。

用作指示代词时，常用来指人。

用作虚词时无指代性。

一.人称代词it，是第三人称单数中性1.代表前文已提到过的一件事物。

如：That vase is valuable. It's more than 200 years old. 那个花瓶很珍贵，它有200多年的历史。

I love swimming. It keeps me fit. 我喜欢游泳，它能使我保持健康。

2.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。

It's a lovely baby. Is it a boy or a girl? 宝宝真可爱，是男孩还是女孩？3.it可用来指代团体。

如：The committee has met and it has rejected the proposal.委员会已开过会，拒绝了这项建议。

4.it用以代替指示代词this, that.如：What's this? It's a pen. —这是什么？—是一支钢笔。

二.指示代词it，常用以指人。

如：Go and see who it is. 去看看是谁。

It must be the children. 一定是孩子们。

三.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：It is half past three now. 现在是三点半钟。

四.it也常用来表示一般的笼统的情况。

如：It's awful—I've got so much work I don't know where to start.糟透了——我有这么多工作要做我不知从何开始。

How is it going with you? 你近况如何？Take it easy. 不要紧张。

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

it的用法it的用法：1、it作形式主语It is known to us that… 众所周知…… It is said that… 据说…… Itseems/appears that… 似乎/看起来…… It happened that… 碰巧……2、it作形式宾语 We consider it necessary to do sth. 我们认为有必要做某事 I find it difficult to answer the question. 我发现回答这个问题很难 He made it clear that… 他清楚地表明……3、it作形式定语 The book, which I bought yesterday, is interesting. 我昨天买的那本书很有趣The man who came just now is my teacher. 刚才来的那个人是我的老师4、it作宾语补足语 She looks pale, as if it were a disease. 她看起来苍白，好像生病了5、it作引导词It was not until then that … 直到那时才…… It is because of this that… 正因为如此才…… It is in this way that… 就是这样……6、it作状语It being Sunday, he didn’t go to work. 既然是星期日，他就不去上班了7、it作指代词 Everyone wants to have a good time, and it is true for me too. 每个人都想过的愉快的时光，对我来说也是一样。

8、it作副词 I worked harder than ever before, and it paid off. 我比以往更加努力，结果收获满满。

9、it作指示代词 Bring it here and put it on the table. 把它拿过来放在桌子上。

It 的用法

It 的用法在英语中，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），也可以用做引导词（作形式主语或形式宾语），还可以用来构成强调句型等。

一、It 用做人称代词1.It 可用作人称代词，指前面已经提到的事物，动物或人,指人主要用于指性别不明的婴儿或用于确认某人的身份。

He bought a dictionary and gave it to me.The bady is crying. It might be hungry.Someone is ringing. Who might it be?Professor Lee gave us a lecture yesterday. It was of great interest.【说明】在答语中，常用来指本人，如说It's me。

二、It 用作指示代词1.在"It is/was+表语"结构中，it指明某人或某物的身份，如：①—Who is there downstairs? —It's the postman.②—Who is there talking? —It's your father.2.指代this 或that以及复合不定代词something, anything, nothing等。

①—What's that on the desk? —I guess it might be a robot.②This is your plan, isn't it? ③Nothing is wrong, is it?三、It 用作非人称代词It 用作非人称代词，常指代天气，季节，距离，时间或事物的状态。

It was raining when I left the office.It's February 14th today. It's a long time since we met last time.It's an hour's walk from my home to the school.It's so noisy in the room.四、It 用作形式主语当不定式、动名词、从句等复杂成分用作句子主语时，为保持句子平衡，通常把真正的主语放在句末，而在句首使用形式主语it。

高考英语：it的用法

It would be a pity to miss this opportunity. It's no good standing here in the cold. Let's go home.
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

it用法大全(形式宾语形式主语)

It is suggested that the meeting ( should ) be put off.
3）.It +n+that ... 1. It is a pity ( a shame ... ) that ...
that后的从句一般用虚拟语气（should + 动词原形）， should可省去．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 doesn’t matter if they are old.
.2.作形式主语替代不定式
1). It takes sb. ... to do sth. ＂做．．．要花费某人．．＂ It took thousands of people many years to build the Great Wall.
2.非人称代词it
it有时并不指具体的东西，而泛指天气、时间、环境等，称为非人称的it： 2.1.指天气： It is a lovely day, isn’t it? It is a bit windy.
2.2.指时间: It was nearly midnight when she came back.
2）.It is +v-ed +that 从句 ① It is said (reported， learned....) that ...
据说（据报道，据悉．．．）“。 It is said that he has come to Beijing.
= He is said to have come to Beijing.
难怪他不愿去。在该句型中如果用肯定形式，表示“真奇怪，真是令人惊讶”；
It is a wonder that he reused such a good offer.

it的用法、常用句型

He hates it when people use his bike.
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）

英语中it的用法

it 在英语中的意思较多,用法较广,现总结如下;一、it作句子的真正主语1．it 指前面已经提到过的人或事物,有时指心目中的或成为问题的人或事物,作真正主语;例如：What’s this －It is a sheep这是什么这是一只绵羊;Who is it －It’s me I. 谁是我;It’s the wind shaking the window. 是风刮得窗户响;2．it指时间、季节;一般用在无人称动词的主语;例如：What time is it －It’s nine. 几点了九点了;It’s time for the meeting. Let’s go. 开会的时间到了,我们走吧;What day is today －It’s Saturday. 今天星期几今天星期六;What’s the date today －It is October 1st.今天是几号今天是十月一日;What season is it －It is summer. 现在是什么季节是夏季;3．it 指气候;一般作无人称动词的主语;例如：Is it cold in this room －No, it isn’t. 屋里冷吗不冷;What’s the weather like today －It is fine.今天天气怎么样是晴天;It often rains in summer and it often snows in winter in this city.这个城市夏天经常下雨,冬天经常下雪;4．it指距离、情况等;一般用作无人称动词的主语;例如：It is five kilometers from my home to the school.从我家到学校有五公里;It is very near from this factory to that one.从这个工厂到那个工厂非常近;It is a long way to the sea. 离海很远;Is it well with you 你身体好吗二、it作形式主语动词不定式、动名词短语起、从句在句子中起主语作用,而这一部分用词较多时,可以用it作为形式主语,放在句首代表其后所说的事实上的、真正的主语,而把真正的主语放在后面;1．It +谓语＋动词不定式;It 作形式主语,动词不定式作真正的主语;例如：It is difficult to climb a mountain. 爬山是很艰难的;It’s a good habit to do morning exercises. 作早操是个好习惯;It’s important to do proper memory work in the study of a foreign language. 在学习外语时适当地做一些有助于记忆的练习是很重要的;It is right to do so. 这样做是对的;2．It＋谓语＋动名词短语;It 作形式主语,动名词短语作真正的主语;例如：It is dangerous playing with fire. 玩火是危险的;It is no use learning without thinking. 学而不思则罔;It’s useless arguing with a silly boy. 和笨孩子争论是没有用的;3．It ＋谓语＋名词性从句;It 作形式主语,以that 引导的名词性从句是真正的主语;例如：It is a pity that you didn’t see such a good film.你没看这么好的电影,真可惜;It is certain that we shall succeed. 我们一定会成功;It is strange that nobody knows where he lives.真奇怪,谁也不知道他住在哪里;It is strange that…后面可用虚拟语气;如：It is strange that he should have made such a mistake.他居然犯了这样一个错误,真奇怪;It is strange that nobody should know where he lives.居然没有人知道他住在哪里,真奇怪;It is said that the plane will take off at ten tomorrow morning.据说飞机明天上午十点起飞;三、it作形式宾语it 作形式宾语,代表其后所说的真正的宾语;真正的宾语是以that 引导的名词性从句或不定式短语;例如：I consider it wrong that you Chinese students learn English without comparing it with your own language.我认为你们中国学生学习英语,不和你们自己的语言比较是不对的;I find it not so difficult to learn a foreign language.我发现学习一门外语不那么困难;I remember I made it clear to you that I was not coming.我记得向你明确表示过我不来;They want to make it clear to the public that they are doing an important and necessary job.他们要向公众表明,他们在做一件重要而又必要的工作;四、it 用于强调结构在表示强调的结构中,it 可用作先行代词,这种结构的句型如下：It +is/was +被强调的部分＋that +其他部分;如果强调的部分是人,可用who, whom 代替that.例如：Professor Wang teaches us English every Monday afternoon.王教授每星期一下午教我们英语;强调主语：It is Professor Wang who teaches us English every Monday afternoon.强调间接宾语：It is us whom Prof. Wang teaches English every Monday afternoon. 强调直接宾语：It is English that Prof. Wang teaches us every Monday afternoon.强调状语：It is every Monday afternoon that Prof. Wang teaches us English.It was here that I first met him. 这就是我初次与他见面的地方;强调状语It is the people who are realy powerful.翻译练习1该上课了,快;It is time for class. Hurry up.2从这儿到你们学校远吗不远,大约一公里;Is it far from here to your school No, it isn’t. It’s about a kilometer.3从我家到颐和园去很近;It is very near from my home to the Summer Palace.4天正在下雨;It’s raining now.5电灯是爱迪生发明的;It was Edison who invented the electric light.6我认为学习一门外语是很重要的;I think it important to learn a foreign language.7他通常一天读两次英语;He made it a rule to read English twice a day.8从我家去天安门广场坐公共汽车大约要一个小时;It takes about an hour to go from my home to the Tian’anmen Square by bus.反意疑问句反意疑问句相当于“对不对”“好不好”“行不行”,用yes或 no 回答;由两部分组成,前一部分是陈述句,后一部分是附加疑问短语,中间用逗号隔开,所以反意疑问句又叫附加疑问句;通常的形式是：肯定的陈述句＋否定的附加疑问,或否定的陈述句＋肯定的附加疑问;如：He studies English, doesn’t heHe doesn’t study English, does heThey are from America, aren’t theyThey are not from America, are they反意疑问句的主要形式：1．如果主句是be或其他助动词如can, shall, will 等,其反意疑问句用同一助动词; 如：We are late, aren’t weYou haven’t met my wife, have youHe can drive a car, can’t heThey used to have difficulty in just making ends meet, didn’t usedn’t theyYou’d better eat with knives and forks, hadn’t you2．如果主语带有seldom, hardly, never, rarely, few, little等否定词或半否定词时,因为主句本身具有否定意义,附加疑问部分的动词用肯定式,如：We seldom go to the cinema, do weSue almost never worked, did she3．如果主句部分是“I am…”结构,由于”am not” 没有相应的缩略形式,附加疑问部分一般用aren’t I 代替;如：I am your friend, aren’t II’m late, aren’t II am a student, aren’t I在祈使句中的附加疑问部分一般用will you, won’t you.4. 在祈使句中的附加疑问部分一般用will you, won’t you.如：Sit down, will youHave some tea, won’t youOpen the window, won’t you这种句子可以理解为: Will you do something如:Will you open the window注意：否定的祈使句之后,只能用will.Don’t forget, will youDon’t make so much noise, will you5．以Let’s… 开头的祈使句,肯定的用shall we否定的用all right或OK,如：Let’s go back to our seats, shall weLet’s not have hot food this t ime, OK all right这种句子可以理解为：Shall we do something,如:Shall we go back to our seats.这样有助于理解和记忆;注意：Let’s 与Let us 的区别：Let’s包括听话人在内,应用shall we, 而Let us 不包括听话人在内,表示“请你让我们…”,要用will you.如：Let’s watch the news on TV, shall we 表示建议Let us watch the news on TV, will you 表示请求6．主句是I suppose, I think, I believe等时,附加疑问部分则往往与that 从句中的主语和谓语动词保持对应关系,但要注意否定的转移;如：I suppose that you know the meaning of the word, don’t you这句话明显是要问“你是不是知道”而不是问“我是不是这样认为”I don’t think that you have read the book, have you7．当主句的动词have 表示“拥有”时,附加疑问既可用have, 也可用do,如：You have a color TV set, haven’t you/don’t you当主句的have不表示“拥有”而表示其他意思时,附加疑问要用do,如：You had a cold yesterday, didn’t youThey don’t have coffee with breakfast, do theybe句型的反意疑问句,用there 作主语;如：There is something wrong, isn’t thereThere won’t be any trouble, will there 不会有任何麻烦,是吗9.陈述部分的主语是everyone, someone, anyone, no one, nobody等不定代词时,其疑问部分的主语可用he, 也可用they.Everyone knows it, doesn’t he/don’t they英语反意疑问句的回答有点和汉语的相反;但一定要记住：只要回答是肯定的,都用yes,只要回答是否定的,都用no;这在主句是否定句的时候要特别注意;例如：Mr. Jones can’t speak French, can he No, he can’t.琼斯先生不会讲法语,对吗对,他不会讲法语;Mr. Jones can’t speak French, can he Yes, he can.琼斯先生不会讲法语,对吗不,他会讲法语;This is not a door, is it －Yes, it is. It is an iron door.这不是门,对吗不,这是门;是扇铁门;。

it用法归纳与总结

it用法归纳与总结
1. IT可以作为名词使用，表示信息技术（Information Technology），也可以指代IT行业或IT部门。

例如：I work
in IT.（我在IT行业工作）
2. IT可以作为代词使用，表示指示事物、情况或观点。

例如：
I don't understand it.（我不明白它）
3. IT可以作为形容词使用，表示指示事物或情况与信息技术
相关。

例如：IT industry（IT行业）
4. IT可以作为副词使用，表示指示方式、情况或程度。

例如：He did it quickly.（他做得很快）
5. IT可以与其他词组合成固定搭配，表示特定意义。

例如：
IT infrastructure（IT基础设施）、IT skills（IT技能）
总结起来，IT通常作为名词使用，表示信息技术，同时也可
根据上下文的不同作为代词、形容词或副词使用。

在IT领域，常用的短语和搭配也有特定的含义。