高中英语语法之---it的用法
英语语法:高中英语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。
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.
it的用法Grammar英语语法
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引起,主句中的形容词必 须是能表示逻辑主语特征的形容词。 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(错误的)等。 这个句型可以改写为: sb. is kind to do sth. 。 It is kind of you to say so. = You are kind to say so.
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.
9. It is the first ( second ... ) time that ... 该句型要和上一个句型区别开来,该句型中的 that 从句 不用虚拟语气,而用完成时态,。至于用什么完成时态, 由主句的谓语动词的时态决定。如果是一般现在时,后面 从句用现在完成时态;如果是一般过去时,后面从句则用 过去完成时态,该结构中 that 可以省去;it有时用 this 替换.常译为"是第一(二)...次..."。 It is the first time I have been here. = This is the first time I have been here. 10. It is .... since ...。 该句型主要用作处理瞬间动词的完成时,又要和表示一段 时间的时间状语连用的问题,主句中是时间作表语,其时 态是现在时或完成时,since 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.
【高中英语】高中英语语法指导:it代词基本用法讲解
【高中英语】高中英语语法指导:it代词基本用法讲解
【编者按】人称代词it可以用来代替一个名词、一个短语、一个从句或一个句子,以避免它们在句中的重复。
这时它可以指提到过的,也可以指未提到过的,在句中作主语或宾语。
(1)替代刚提到过的同一事物
thisisournewcar.iboughtityesterday.这就是我们的新车。
我昨天卖的。
(2)指动物或不考虑性别的婴儿
whereisthecat?it’sunderthebed.猫在哪?它在床下面。
thebabycriedwhenitwashungry.这婴儿饿时就哭。
(3)在情景中证实某人或事物
whoisit?it’sme.是谁?(问敲门人)是我呀。
who’sitoverthere?it’sthemilkman.那边那人就是谁?那就是送来牛奶的
what’sthis?it’samap.这是什么?这是张地图。
(4)指代前句或后句所述的情况
hesmokesinbedandidon’tlikeit.他在床上抽烟,我不喜欢他这样。
whenthefactorycloses,itwillmean500workerswillbeoutofwork.工厂一旦停用,那就意味著必须存有500工人失业。
itwouldbeidealifyoucouldjoinus.如果你能和我们合作,则太好了。
(5)指时间、距离、天气或环境等。
2020高考英语一轮语法考点与训练---It的用法和there be结构附解析
高三一轮语法回顾与训练---It的用法和there be结构1.代词it常用来指代前文提到的事或物,还用在各种特殊句型中。
there be表示“存在”,可用在不同时态和句型中。
2.考点归纳一、it用法1. it用作形式主语(1)It + be + adj. + 主语从句It is clear(obvious / true / possible / certain…)+ that / whether…从句…It is essential(important / necessary / right / strange / natural…)+ that从句…(should + 动词原形)It is uncertain whether he can come to Jenny’s birthday party or not.It is important that we should learn English well.(2)It + be + 名词词组+ 主语从句It’s a pity that you missed the exciting football match.(3)It + 不及物动词(seem / appear / happen / turn out…等)+ 主语从句(看来/ 似乎/ 碰巧/ 证明是)It seemed that he didn’t tell the truth.It happened that I was out when he called.(4)It’s + adj. + for / of + sb. + to do sth特别注意:如何选择介词for 或of?如果该句型中的形容词是用来说明“某人”的性格或品质(如kind, good, nice, wise, stupid, clever, foolish, silly, impolite, selfish, considerate ...)时,介词用of(“某人”和这些形容词可以构成主系表结构),其它情况介词用for。
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 …。
高中英语 语法 it的用法
判断下列句子是否是强调句。
1. It’s in that very seat that the teacher sat down.
2. It is clear that not all boys like football.
3. It was because he was ill that he didn’t go to school.
I wonder_w_h_e_r_e _i_t _ w__as_ th_a_t_you met your old friend.
1) He didn’t go to bed until ten o’clock.
It was not until ten o’clock that he went to bed. 直到十点他才上床睡觉。
强调词it和形式主语it的判别: 可用恢复原句的方式来判别,即把it is/ was… that…取消后,如果剩下的词仍能组成一个完 整的句子,那么就是强调句型,否则就不是。
易混淆题:
It was at the street corner that I met Lucy yesterday. It was the street cornerwhere I met Lucy yesterday.
Grammar
英语语法——It用法
It用法一.基本用法二.形式宾语1. v/v短语+it(形宾)+从句(when/that/if)‥v : enjoy ,like,love ,dislike, appreciate, hatev短语:don’t mind ; be found of ; feel like ; see to ; depend on ; insist on2.v+it+as/to be+ noun/adj+从句(把...视为...)v: accept , consider , regard, take, see, view3.v+it+to sb +that...例如:owe it to sb that ...把...归功于...leave it to sb that...把...留给某人去做take it to sb that...把...想当然keep it in mind that... 把...放在心里三.形式主语1.It be ...when...当...的时候,是...2.It be ...before...主句表语多为表示时间段的词或短语,常译为“...之前”...3.It be +一段时间+since...(变态句型)如果主句是一般过去时,从句则用过去完成时4.It doesn’t matter whether (if)...whether (if)引导的从句是真主,常译为“不论(是否)...没关系”5.It looks (seems) as if ...it无意义,as if 引导状从,常译为“看起来,好像”如果与事实不符,则用虚拟四.强调句型1. It is/was +被强调部分+that(who)...注意:①is或was永远单数②只能用that连接,不得使用where ,when等连词,但被强调部分为人时,可用who(主格或宾格)和whom(宾格)代替that,用that也行。
③强调句中,也要注意主谓一致,人称一致和否定转移的问题④强调句中的be动词与情态动词的结合2.It is not until +被强调成分+that ...“直到...才”3.It is ...that...肯定句强调Is it ...that...?一般疑问句强调5W1H is it that...特殊疑问句强调...(主句)...5W1H it is that...从句强调4.It指代that的句型①It is +adj+ that ...adj: obvious ,true, possible ,certain用虚拟necessary ,right ,strange ,natural②It is +v-ed+ thatv-ed: reported , said ,learned用虚拟suggested ,ordered ,demanded ,insisted③It is a pity (a shame...)that...用虚拟④It is time (about time /high time)that...该是...的时候⑤It is the first (second/third)time that...用现在完成时⑥It happens (seems/looks/appears)that5.It指代to do/doing①It takes sb...to do sth②It is kind(表人的属性)(of sb)to do sth→bad ,brave, careless, clever, cruel, foolish, stupid, wise, wrong③It is necessary (for sb)to do sth→important , necessary ,natural ,easy, safe, common , normal , hard ,difficult ④It is no good(use)doing sth 做...是无益(无用)的。
高中英语语法课件-it用法_共55张PPT_
I can’t answer for it that he will come on time. I owe it to you that I am still alive. I took it for granted that he would help us. I think it no use arguing with him. I found it very interesting to learn English. He made it clear that he was not interested in this subject. You can depend on it that he will come to help you on time. Please see to it that all the lights are turned off. Many people used to take it for granted that the earth was flat.
sb like/take/put it that…
sth have it that… bring it out to sb that 宾从…
see to/look to/rely on/insist on/stick to/depend on/
answer for it that…
owe it to sb that… bring it to sb’s attention that… keep/bear it in mind that… -I don’t know whether I should go abroad or not, Mum. -I leave it to your own judgement whether you should do it. 英语中能直接带that引导的宾从的介词很少: except/but/in /besides that… I know nothing about him except that he is from Guangdong Province. I could not have believed it but that I saw it with my own eyes.
高中英语It用法及其句型和固定搭配讲解
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高中英语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 atoffice.(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 yourrudeness.(=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/ann oy/amaze/bother/concern/frighten/please/anger sb. that…例It worried me that she drove so fast.(= It was worrying that shedrove 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.)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 tomend 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6.It was(not)…before…过(不)了多长时间某动作发生了四、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It的用法讲解与练习
It的用法It的用法在高考中也是重现率较高的语言点,尤其是it用于强调句。
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。
一、要点点拔1.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.2.用于表达天气、环境、时间、距离、季节等。
例如:1) It’s half an hour’s walk from here to our school.2) It‘s nice and warm here.3) But it's two o'clock now, and it's time for us to go to school.3.用作形式主语.it 没有具体意义,而只是帮助把真正的主语移至句子后尾,使句子显得平稳一些,能借it 给移至句子后尾的主语有三种:一种由不定式表示,一种由动名词表示,一种由从句表示。
1).It 替代真正的主语——动词不定式短语.It is easier to say than to do .It is a good act to help the others.2).it 替代真正的主语——动名词短语,以动名词短语做主语的句子,主要在以no good, no use, no harm, dangerous, foolish 等词作表语的句中.It’s no harm drinking running water in that area。
It’s foolish talking like that.3).it 替代从句作主语,用从句做主语的带it 的句子很多,常见的有下面几类:①It is a pity (a shame ,a fact ,a wonder ,a good thing, etc. ) that…It is a shame that he didn’t pass the exam.②It is strange ( surprising, obvious ,true, good, possible, clear, etc. ) that…。
2016届高考英语总复习-语法强攻:《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.
I’ll see to it that all these letters will be sent to the post before twelve. 三、it用于强调句型中 强调句型可以对句中除谓语动词以外的成分加 以强调。
四、it用在一些固定表达中 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’s time (for sb.) to do sth. (某人)该干某事 了
It was announced that the Prime Minister would speak on television that evening. 2. it作形式宾语 ★根据句子结构的需要,人们常用it作形式宾 语,而将真正的宾语放在宾语补足语后。常用 于这种句型的动词有believe, bring, consider, declare, feel, find, make, prove, think等。如: I find it amazing that anyone would want to listen to that music. I don’t think it possible to master a foreign language within 3 months. I found it worthwhile reading this book.
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.
高考英语二轮复习之必备语法it的用法、常用句型(共28张PPT)
【说明】能用于此结构的动词不多,常见的 有 have, take, put, like 等
(2) 动词 + it + when (if)-从句。如: I dislike it when you whistle. 我不爱听你吹口哨。 We really appreciate it when she offered to help. 她 来帮忙了,我们十分感激。
四、it用在一些固定表达中 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’s time (for sb.) to do sth. (某人)该干某事了 It is (high) time that ... (早就)该……
Mary. I haven’t a dictionary; can you lend me one?
1. how would you like ___D__ if you were watching your favorite tv program and someone came into the room and just shut it off without as you? a. them b. one c. those d. it
五、it与one的区别 两者均可代替前面提到的事物,区别是: it指的是与前面已提到的事物为同一物,此 时的it等于“the +名词”;而one 指的是与 前面已提到的事物为同一类物,此时的one 等于“a +名词”。 e.g. I have a dictionary but I’ve lent it to
【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。
it的详细用法
it的用法“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,因此在复习中应给予足够的重视。
It 句型归纳:1. It is +adj.(+for sb./sth.) + to do sth.用于此句型的形容词有:easy, hard, difficult,possible, important,impossible, necessary, good, bad, exciting, interesting, surprising 等。
如: It is necessary to change your job.It was very hard for them to walk such a long way in the snow.2.It is +n.(+for sb./sth.) + to do sth.用于此句型的名词有: pity, shame, pleasure, one’s duty, one’s job, fun, joy, good manners, bad manners等。
如:It is a pity for you to have missed such a wonderful play.It is bad manners for the young to take up the seats for the old.3.It is +adj.+of sb.+to do sth.此句型中的形容词主要描述某人的品德、特征。
能用于该句型的形容词有:kind, nice, wise, silly, polite, impolite, friendly, foolish, clever等。
如:How silly it was of you to give up such a good chance!It is friendly of the family to try to make me feel at home in their house.4.It is +adj.(+n.)+doing sth.此句型中的形容词和名词常见的有:no/little use, no/much good, useless 等。
高考英语语法复习 it的用法-强调句型(共25张PPT)
Question form ?
考查强调句型的一般疑问句、特殊疑问句形 式
1.Was it in front of the market _____the road accident happened yesterday? A.where B.that C.which D.why
2.---Was it what he said or something that he did _____ made you cry so sadly, Sarah? ---No,not really. A.which B.that C.when D.what
A.what B.who C.which D.that
6._____ is it _____ has made you feel so upset?
A.What;that
B.How;which
C.When;what D.Which;as
7.-- When was it _____ the Nanhai No.1,the sunken ship was raised from the seabed?
3.Can it be in the drawer _____ you put your
keys?
A.where B.that C.what D.when
4.Can it be in the restaurant _____ we had dinner
last Sunday ___you left yoБайду номын сангаасr wallet?
Review (self-study )
1. it作人称代词,代替前面提到的事物. 2. it指代时间,季节,距离. 3. it作形式宾语,常用在动词为think , find,
It的用法及其句型详解
“It”的用法及其句型详解“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.“It”用法及其句型和固定搭配讲解2007-05-01 17:14:05.0中国高中生网()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 mendour 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用法
高中英语语法—it的用法及练习1、it可指天气、温度、时间、距离等e.g. —It is cold today, isn’t it?2、用作人称代词,代替前文提到过的事物e.g. The dog is not a cold-blooded animals. It doesn’t need to hibernate.3、为避免重复,it可用来代替前面说过的短语或句子e.g. I tried to persuade my father to give up smoking, but found it impossible. (it=to persuade my father to give up smoking)4、代替指示代词this,thate.g. —What’s this?—It’s an album.—Whose new bike is that? —It’s Mary’s.【注】it与that的异同it指同一事物,that指同类但并不是同一事物e.g. I like the climate of Kunming more than that of Beijing. The climate of Kunming is mild, and I like it.5、it作形式主语it在句中可作形式主语,而真正作主语的主语从句需要放在句子的末尾。
主语从句后置常用以下几种结构:1)It is/was + adj. + subject-clause可用于此句型的形容词有:clear, certain, funny, good, impossible, likely, natural, obvious, possible, probable, strange, surprising, true, unusual, wonderful等e.g. It is obvious that going for sports will do a lot of good to your health.2)It + be + adj./n. (for sb./of sb.) + to do sth.该句型中的形容词通常表示事物的特点或特征的,如difficult, hard, easy, impossible, necessary, important 等,此时用for;或表示人的性格特征或特点的,如nice, good, bad, kind, silly, foolish, wise, clever, careless, rude, brave, cruel, careful, grateful等,这时要用of7)一些固定句型It takes sb. some time to do sth.e.g. It will take you two days to get there on foot.It costs sb. some money to do sth.e.g. It costs 1,000 dollars to fly to America.It is/was no use(useless) doing(做什么是没有用处的)e.g. It’s no use arguing with him.It is/was no good doing(做什么是没有好处的)8)以下句型结构中需要用虚拟语气①It is/was important(necessary, strange) that…; It is/was ordered(required, suggested, proposed) that…; It is/was a pity(a shame) that…表示遗憾等感情的句子中,主语从句要用“should+动词原形”,should可以省略。
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1.It’s a small world after all. this/that 2.A bird landed on the tree.It’s singing. 3.It’s a fine day,isn’t it?
4.What time is it? It’s seven o’clock. 5.The baby is crying.It might be hungry.
I.人称代词
a.用作人称代词,代替前文提到过的事物,以避免重复: b.也可以指动物或婴儿(未知性别的婴儿或孩子):
2.非人称代词
有时并不指具体的东西,可指天气、时间、距离、环境等
It was very quiet in the café. t is half an hour’s walk to the city.
( 该事故
7. According to the witnesses, it was at two o’clock 发生 ). ( happen )
8.
( 正是在这片耕地上 ) that the farmers produce food for the whole population of China. ( arable )
( 直到1920 年) that regular radio broadcasts began. ( until)
9.It
10. It
( 直到他们联手 ) that they achieved their goals.( join )
1.It was raining 2.It’s difficult for him 3.arguing with them about this question 4.It doean’t matter 5.It’s generally believed 6.make it possible 7.that this accident happened 8.It is on this arable land 9.was not until 1920 10.was not until they joined hands
4. it作形式主语(Preparatory Subject)
归纳 it作形式主语的句型常见的有:
It is clear ( obvious, true, possible, certain....) that It is said (reported,believed....) that ... It is suggested ( ordered /demanded/insisted/ commanded... ) that ...从句用虚拟语气 It is a pity ( shame/duty/fact/honor/no surprise... ) that It happens (seems, looks, appears ) that... It doesn’t matter( no wonder…)+wh-/how-clause It takes sb. ... to do sth… It is no good (use ) doing sth…
We think it our duty to clean our classroom every day. He felt it important learning English well. They found it difficult that they would finish their work in two days.
强调结构的一般疑问句型: Is/was + it + 所强调的部分 + that / who…? Was it you that met Tom in the stress yesterday? 强调结构的特殊疑问句型: 疑问词 + is/was + it + that/who…? Who was it that you met in the street yesterday? Where was it that you met Tom yesterday?
It was with a strong belief that Martin Luther king led mang movements against racial discrimination.
6.用于强调结构(emphatic structure )
It is/was + 被强调部分 + that/who...+其他成分 I met Tom in the street yesterday.
It’s a pity that the Chinese team doesn’t attend the World Cup in South Africa this year.
代替不定式,动名词或从句所表示的真正主语。 People believed that the man did’t tell a lie. It’s believed that the man did’t tell a lie. The two sides are said to have reached an agreement. It’s said that the two sides have reached an agreement. The sword has been proved to date from Qin Dynasty. It has been proved that the sword dated from Qin Dynasty. How early man was able to construct Stonehenge is a mystery. It’s a mystery how early man was able to construct Stonehenge.
3.指示代词
指代this或that This is your pen, isn’t it? What’s that on the desk? I guess it might be a robot.
It is obvious that going for sports will do a lot of good to your health.
1. 2.
( 正在下雨 ) when they left the station.( rain ) ( 对他来讲很困难 ) to study two languages. ( difficult ) (和他们争论这一问题), you are simply wasting
3.It is no use time. (argue)
4.______(不要紧/没关系)whether we go together or separately.( matter)
5.
(普遍认为)that China’s fast development in economy will benefit many countries in the world.( generally, believe ) 6.His parents manageed to (使…成为可能 ) for him to go abroad. (possible)
It looks ( seems ) as if ...
5.作形式宾语( Preparatory Subject )
为了记忆方便我们把该句型总结为"6123结构"。 6指主句中常用的动词:think,believe,make,find, consider,feel; 1指的是形式宾语it; 2指的是宾补的两种形式:形容词或名词; 3指的是真正宾语的三种形式:不定式短语,动名词短语 或从句。
...not…until….句式用于强调句型要注意 否定词 not 前移 构成: is/was not until + 被强调部分 + that ... It
I did’t go to bad until 10 o’clock yesterday evening. It was not until 10 o’clock yesterday evening that I went to bad. I didn’t realize she was a famous film star until she took off her dark glasses. It was not until she took off her dark glasses that I realized she was a famous film star.