高中英语it的用法课件
高中英语 语法代词 it的用法课件(共32张ppt)
2) It was not until __C__ that ____ to prepare his lessons. A. did his father come in, the boy began B. did his father come in, did the boy begin C. his father came in, did the boy begin D. his father came in, the boy began
3) I hope that it will be fine Weather tomorrow.
4) It’s spring now.
Season
5) It’s quiet here. Circumstance
2. 用作人称代词, 代表前面提到的人 或事。
1) Who’s it? _It_’_s me. 2) Look at the picture. _I_t is a picture
Exercises
1) It was not _C__ she took off her dark
glasses ___ I realized she was a
famous film star.
A. when, that B. until, when
C. until, that
D. when, then
3. I don’t think __D_ possible to master a foreign language without much memo ry work. A. this B. that C. its D. it
4. Was it during the Second World War _A__ he died? A. that B. while C. in which D. then
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it的用法
It was with a strong belief that Martin Luther king led many movements
用于强调结构（ 用于强调结构（emphatic structure ）
It is/was + 被强调部分 + that/who...+其他成分 其他成分 I met Tom in the street yesterday. 强调结构的一般疑问句型： 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： 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’s 10:08 It weighs only 3 kilos
It’s lovely It’s a large sum of money
I.人称代词 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 用作人称代词， 用作人称代词 代替前文提到过的事物， the house that the Parkers bought 复: B b.也可以指动物或婴儿 未知性别的婴儿或孩子 也可以指动物或婴儿(未知性别的婴儿或孩子 也可以指动物或婴儿 未知性别的婴儿或孩子): The Parkers bought a new house but ___ will need a lot of work before they can move in. 2.非人称代词 B. it 非人称代词 A. they C. one D. which 有时并不指具体的东西，可指weather 、time 、 有时并不指具体的东西，可指 distance、environment 等 2. We’ve、 been looking at houses but haven’t found A ___ we like yet.in the café. It was very quiet a house ItA. half an hour’sones to the city. D. them is one B. walk C. it 3.指示代词 指示代词 指代this或that 指代 或 This is your pen, isn’t it? What’s that on the desk? I guess it might be a robot.
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 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
“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 bｅadj．(fｏr ｓb.)ｔo dｏｓth．此处adj. 通常为描述事件的形容词：easy，ｄiffｉcult，hard，nｅcessaｒy,ｕnnecｅssa ｒｙ,possible，iｍpossible，liｋely，ｕnliｋｅly,riｇｈｔ，wrong，ｉmportant,uｎｉｍpoｒt ａnt，leｇal,illegal，wｅll-maｎｎerｅd,ill－manｎｅｒｅd,ｐolite,impolite，clｅar,obviｏu ｓ,cｅrｔaｉｎ,ｓuｉｔａble，ｐropeｒ，fiｔ，uｓefuｌ,useｌｅsｓ,ｄanｇeroｕｓ…例Iｔis iｌlegａl(ｆｏrａｔeｅnagｅｒ）to dｒiveａcａr withoｕt a licens ｅ.(2）It be adｊ．oｆsb. toｄo 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＇ｓkiｎdｏf yｏｕto help me wiｔｈｔhe proｂlｅm.（3)It替代作主语的动名词的常见句型It'ｓnｏｇｏod／usｅdｏinｇ…Ｉｔ＇ｓ（welｌ）wortｈdoｉng…It＇s（well）worth oｎe＇ｓwhilｅdoing/to do…Iｔ's（weｌl）ｗorth while doiｎg/ to do例Ｉt＇s no usｅcryｉngｏvｅr ｓpilt milk.2. Iｔ替代作主语的从句常见句型（1）It is ＋nouｎ+从句例Iｔis ｎo ｓｅcret thaｔtｈｅpresidentｗants ｔo hａve ａｓecond ｔerm at office．（2）It is adj. +cｌauseＩt'ｓsｕrprisｉnｇtｈat…(ｓhould）………竟然……It＇s a piｔy/ｓhame tｈat…(sｈould）………竟然……例It＇s importaｎt thａｔyｏu ｓｈoｕld apoｌoｇiｚe tｏher foｒyouｒrudeｎess.(=It's ｏf mｕch ｉmｐｏｒtａnｃｅthat yｏｕshｏｕld apｏlogｉze to ｈer for yoｕr rｕdeｎess．)（3）Iｔｖerｂsb. + claｕse= It ｉs v-ｉng + ｃlauｓeIｔ+suｒpｒｉse/ｄeliｇht/inteｒｅst/ｄｉsaｐpoiｎｔ/ｗoｒry/diｓturｂ/ａｎnoy/amaze /ｂother/ｃonｃｅrn/ｆｒｉghten/pｌeａse/anger ｓb. ｔhat…例Iｔwｏrried mｅthaｔshe ｄroｖe ｓｏfast.(＝Iｔｗas wｏrｒｙing that ｓhe dｒovｅso fasｔ.）（4）Iｔverb（ｔo sｂ.)tｈａt…= sb／stｈverb tｏdo（vｅｒｂ＝ａpｐeａr,seeｍ,ｃome about，emerge，ｆｏｌｌｏw,chance,hａppen，oｃｃur,transpire,turn ouｔ,ｗork ouｔ)例Ｉt(so）ｈappeneｄ/chanced thａt tｈey werｅoｕt.(＝Tｈｅｙhapｐened/c ｈanceｄto ｂe ｏut.）（5)It is v-ed that…=sb/ｓtｈｉs to do(verb=say,report，tｈinｋ,belieｖe,hope，exｐｅcｔ,agree，acｃept，deｃidｅ，dｅtｅrmine，intenｄ，ｐｌan,unｄerstａnd,ｋｎow)例It is said that the couple hａvｅgottｅｎｄivorcｅd.(＝Thｅcｏupｌe aｒe said to have goｔten ｄivorced.）（６)Ｉt ｉｓv－eｄthat …（ｓhouｌｄ)…(verｂ＝deｍand，ｒeｑuest,reｑuｉｒe,oｒdｅｒ,sｕｇｇｅsｔ,ａｄvise，rｅｃoｍmｅｎd例It is suggeｓted tｈａt tｈｅy should begｉn with the tｈirdｑuｅｓｔion. “It”用法及其句型和固定搭配讲解2007-0５-０１17:１4：０5.０中国高中生网()三、Ｉt作主语的句型1．It tａkｅs sb.…tｏdo…（=sb ｔａkes…tｏｄo…）某人用多长时间做某事例It took tｈe meｎａweｅk ｔo menｄour roof．（= Tｈe men toｏk a ｗeek t ｏmｅnｄoｕｒroof.）2. It's（ｊuｓt）(uｎ）lｉke sb．to dｏ…（不）像某人做某事的风格例Ｉｔｗas(juｓt)lｉｋe ｈimｔo 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)tｉmｅthat we shouｌｄtａke ａｃtｉon.４．Iｔ'sｔhe x－th timｅ（ｔhat)…have v－ed…第几次做某事了例Iｔ's the third tiｍe thaｔhe ｈas faｉledｔｈe ｄrｉvｉnｇｔest.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 lｉveｄheｒe６.It ｗas(noｔ）…befoｒe…过(不)了多长时间某动作发生了例It was noｔlong 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的用法课件-(详细有高考题-精品)
动词 +it + that + clause
enjoy, like, / love, dislike, appreciate hate, don't mind, be fond of, feel like, see to / depend on / insist on
例 : I hate it you can dance so well but I can't.
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： ⑴.指天气：
It is a lovely day, isn’t it? It is a bit windy.
⑵.指时间:
It was nearly midnight when she came back.
⑶.指环境:
no good 3. S + V + it +
no use
+ doing sth.
形式宾语归纳
该句型中的it 作形式宾语，记忆方便---“6123结构”。
6 主句中常用的动词： think,believe,make,find,consider,feel； 1 形式宾语it； 2 宾补的两种形式：形容词或名词； 3 真正宾语的三种形式：
an honour
…
… said It is / was p.p. known + that-clause believed
…
1. 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。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
5. It is said (reported,thought,believed....) that ... It is said that he has come to Beijing. It is reported that another earth satellite has been put into orbit.
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.
Summary 2
It can be used as impersonal
形式宾语
The chairman thought ___ B necessary to invite Professor Smith to speak at the meeting.(05全国) A. that B. it C. this D. him
15. It is no good (use ) doing sth. 该句型中的真正主语是动名词短语，主句中的表 语可以是no good ， ( not any good ) ， no use ， ( not any use )。 It is no good learning English without speaking English. 16. It doesn’t matter whether ( if ) ... 该句型中whether(if) 引导的从句是真正主语，该 句型常译为 ＂不论（是否）．．．没关 系．．．。 It doesn’t matter if they are old.
9. It is the first ( second ... ) time that sb has/have done sth It was the first time that sb had done sth 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.
Sentence patterns:
important possible find 1.S+ think + it + necessary +( for sb. ) to feel do sth. Consider /that Make
believe
形式宾语
I think it his duty to clean the blackboard. Sentence patterns: … honour an a rule 2. S+ V + it + one’s duty +
It was a sunny day. Peter decided to go ____ it was two for a walk to the park, though _____ miles away. ___ It was so comfortable to walk on the street.
11. It is ... when ...。 该句型中的 when 引导的是一个时间状语从句， 主句中的 it 指时间，表语由具体的时间充当，常 译为＂当．．．的时候，是．．．＂ It was 5 o’clock when he came here. 12. It be ... before ... 该句型主句中的 it 指时间， 主句中的时态常是将 来一般时或过去时两种时态．主句中的表语多是 long， not long ， 3 days ， 2 weeks 等表示时 间段的词或短语，常译为“．．．之后．．．”。
Who is it? ---It’s me. Her face lighted when she saw who it was. 2.6. 指某件事： It doesn’t matter. /It is a shame, isn’t it?
基本用法:
it可用来指代前文提到的人,物或事情,也可以用来 指时间,金钱,距离,天气等自然现象
4. It is important ( necessary， strange， natural...) that ... 该句型和上一个同属一个句型；由于主句中的形 容词不同，that 后的从句中要用虚拟语气. It is important that we (should) learn English well. It is necessary that he (should) remember these words.
6. It is suggested ( ordered /demanded/insisted/commanded... ) that ... 该句型和上一个同属一个句型，主句中的过去分 词是表示请求，建议，命令等词时，that 后的从 句要用虚拟语气（should + 动词原形），should 可以省；常译为“据建议；有命令．．．） It is suggested that the meeting ( should ) be put off. It was ordered that we ( should ) arrive there in two hou V + it + one’s duty + ( for sb. ) to do sth. /that an honour … 3. S + V + it + no good + doing sth. no use
形式宾语
C in the autumn when the weather is clear I like ___ and bright.(04全国) A. this B. that C. it D. one 点拨:这是it作形式宾语的一种特殊用法.少数动词(如like, love, enjoy, dislike, hate, appreciate等)或包含介词的 动词短语(如see to, depend on等)后接宾语从句,必须先由 it担任形式宾语,再接从句. Sentence patterns: 1.I like (enjoy, hate…) it when
Eg:
It was a sunny day. Peter decided to go for a walk to the park, though it was two miles away.
pronouns to talk about time, date, distance or weather and so on.
It was 3 days before he went to Beijing. It will be not long before he finishes his job.
13. It happens (seems， appears) that... 该句型中it是形式主语，that 引导的是主语从句， 主句中的happen ， seem等词是不及物动词。 It happened ( so happened ) that he met his teacher in the street. 碰巧．．. It seems that he will be back in a few days. 看 来．．． 14. It takes sb. ... to do sth. It took thousands of people many years to build the Great Wall.
It is a pity that he is ill. 他生病了，真遗憾！ 8. It is time ( about time ，high time ) that ... 该句型中that 后的从句应该用虚拟语气，值得注意的是 ① 常用过去时态表示虚拟．② 有时也用should + 动词 原形，should 不能省，常译为＂是（正是）．．．的时 侯．．．＂ It is time that children should go to bed. = It is time that children went to bed.
( for sb. ) to do sth. /that
3. S + V + it + no good + doing sth. no use
形式宾语
Sentence patterns:
… … find possible 1. S+ think + it + necessary +( for sb. ) to do sth. /that feel important … …
It’s 10:08 It weighs only 3 kilos
It’s lovely It’s a large sum of money
2.2.指时间: It was nearly midnight when she came back. So you are going to be married this time？ When is it？ 2.3.指环境: It was very quiet in the café. 2.4.指距离： It is half an hour’s walk to the city centre. 2.5.指不知性别的人：