1it的用法和强调句型
it用作代词的用法
it用作代词的用法一、IT作为代词的基本用法在信息技术（IT）领域中，人们常常使用“it”作为代词，以指代前文提及的某个事物或对象。
它是英语中最常用的代词之一，也是最具灵活性和广泛应用的一个单词。
本文将介绍it作为代词的基本用法，并探讨其在不同语境下的特殊应用。
1.1 人称代词it的基础运用首先，当我们要引用或指代一个已经在上文中提到过的事物时，可以使用“it”来避免重复提及。
比如，“I bought a new car. It is blue.”（我买了一辆新车，它是蓝色的。
）这里，“it”就指代前面提到过的那辆新车。
此外，在特殊问句中，“it”也被广泛应用。
例如，“Who broke the window? Wasit him?”（谁打破了窗户？是他吗？）这里，“it”所表示的含义是找出窗户被谁打破这个问题。
1.2 特殊情况下使用it有许多情况下，在没有明确可指代对象时，我们仍然使用“it”，但此时它不再表示一个具体事物或对象。
例如，在天气描述中，“it”常用来指代天气状况。
“It's raining.”（下雨了。
）“It's sunny.”（阳光明媚。
）这里，“it”没有具体的对应事物，而是抽象地表示天气。
同样，在时间和日期的表达中，我们经常使用“it”。
比如，“What time is it?”（几点了？）“It's three o'clock.”（现在是三点钟。
）二、IT作为代词的高级运用除了基础用法外，"it"还有一些高级运用，需要特别注意其语境和意义的转换。
2.1 强调句型中的it强调句型以“it is/was”开头，并通过强调某一部分来突出信息重要性。
例如：“It was Tom who broke the window.”（打破玻璃窗的是汤姆。
）2.2 待定主语结构当主语没有明确指定时，有时会使用“it”作为占位符。
例如，“It’s important to eat a healthy diet.”（健康饮食很重要。
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。
It的用法及典型句型归纳. 个人总结
It的用法及典型句型归纳一、人称代词it的最基本用法是作代词，主要指刚提到的事物，想法，以避免重复;也可以指性别不明或性别被认为是不重要的人或动物；未指明但谈话双方都明白的事情或情况。
①They watched the train until it disappeared in the distance.②Is this your dog？No, it isn’t.③I hate it when people talk with a full mouth.．二、.非人称代词.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：It is a lovely day, isn’t it? // It was nearly midnight when she came back.It is April First today. // It is some 3000 kilometers from A to B.It is three dollars. // Today it is 30 degrees centigrade.三、作形式主语，替代主语从句，动词不定式，或动名词短语1.作形式主语替代主语从句⑴It is clear ( obvious，true，possible，certain....) that＂┅清楚的（显然的，真的，可能的,肯定的．．．）＂⑵It is important ( necessary，right，strange，natural...) that + (should ) do (虚拟语气)┅是重要的(必要的,对的,奇怪的,自然的┅)⑶It is said (reported/ learned/believed/thought/known/told/hoped.....) that= sb / sth is said (reported/ believed /thought…) to do( to be doing/ to have done) sth＂据说（据报道，据悉．．．）＂。
高中英语语法总结--强调句、It的用法、省略和插入语
高中英语语法总结——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 …。
(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的用法及句型总结
It的用法一、Tell the functions for “it" in each sentence:1、—--What's the weather together？—-—It is fine。
2. It is hard to communicate with him。
3。
I find it hard to communicate with him。
4。
It is Li that who cleaned the classroom。
5。
It is a book。
二、It 用法归纳1,指代it（1）.用作人称代词：指代物、整个句子(2）用作非人称代词2，形式it:（1)作形式主语（2)作形式宾语3，强调it4，特殊句型5。
在答语中指代this/that：1）.—-—Whose book is that? ——-It’s mine.三、特别注意：it, one和that作替代词的用法及区别1。
it代替前面提到的同一事物,该事物既可以是可数名词也可以是不可数名词。
(特指，指代单数，指代物,同名同物）Can I borrow your pen?-Sorry，I'm using it。
2。
one代替前面提到的同类事物中的一个。
该事物只能是可数名词，前面可以有冠词，也可以被this、that或形容词修饰,其后也可以有定语. (泛指，指代可数名词，指代人或物,同名异物）I have a bike。
Do you have one?Eg：（1）.I bought a dictionary three years ago and I am still using______ now。
(2) I bought a dictionary three years ago but I am going to buy a new _______soon. （3)。
that代替前面提到的同类事物中特指的一个。
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。
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it的用法和强调句(20)
1．It was only when the accident took place _________ （他才意识到）the importance of careful driving．（realize）
that he realized
2．I heard that it was ten years later, in 2010, _______________(他们的婚姻破裂).(break)
that their marriage broke up
3. It __________________________(直到战争结束) that he returned home. (end)
was not until the war ended
4.Actually, it was not until I was appointed to be in charge of the research team_____________ the importance of teamwork. (aware)
实际上，直到我被指定负责这个研究小组的时候我才意识到团队合作的重要性。
that I was aware of考查强调句和短语。
题干使用了句型''it was not until.. .that...", 因此本空是强调句的后面部分，应用that, 用be aware of表示"意识到，知道"。
5. Communication becomes more convenient nowadays. Cellphones ______________ (使得这成为可能)for us to talk to anyone from anywhere. (make) make it possible
6．在上学的路上，我突然想起我把英语书忘在家里，所以我不得不回去取。
On my way to school, ___________________________ that I had left my English book at home, so I had to fetch it .(occur)
it (suddenly) occurred to me
7 .__________________（坚持在一起）your friends through thick and thin that brings you lifelong friends.（stick）
It is sticking with
8．Could you tell me _____________（在哪里）you found the missing boy．（it）where it was that
9. It is your efforts, rather than your intelligence,__________（决定）your success.（determine）
that determine
10. I still wonder what it was (令他失望)badly. Shall we go and comfort him?( let ) that let him down
11．Though he was a newcomer, I found it easy_____________ （和他相处）.（get）to get along / on with him
12．I think it important ___________________ (与我们的朋友保持联系). (touch) to keep / stay in touch with our friends
13.Each new way of looking at a situation improves our understanding
and____________（使…更容易）to discover new possibilities.（make ）
makes it easier
14. It is the protection for trees _______________________（真正起作用）, rather
than how many trees are planted.（matter）
that really matters
15. It was nine years ago, when I came to China for the first time, ______ (我开始)learn Chinese. (begin)
that I began to
16. It is not who is right but what is right ______________. (importance)
重要的不是谁是对的，而是什么是对的.
that is of importance。
17.No one knows exactly ____________this custom first came into being. (it)
没人确切知道这一风俗到底是何时开始形成的。
when it was that考查强调句型。
根据句子结构及汉语提示可知，此处强调when, 且用陈述语序；由语境可知用一般过去时。
18. They ________ yesterday, but failed to meet you. ( see)
他们昨天的确去看你了，但没见到你。
did go to see you。
19. .It is you, including your cousin, ____________for the loss of the golden chance. (blame) 你和你的表哥应对失去这个好机会负责：
that/who are to blame。
20. It_________ to have helped me when he was so busy himself. ( considerate)
他这么忙，还给我这么多帮助，可真是考虑得太周到了。
was considerate of him。