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)。
“it”指代主语
… possible It is / was + adj. necessary + ( for sb. ) to do sth. important … … one’s duty It +is /was + n. one’s hope + clause /( for sb. ) to do sth. an honour … … said It is / was p.p. known + that-clause believed …
被强调的部 分是not until 引导的时间 Is it …that…? It was ___ back home after the experiment. 状语
It is …that…
强调句型
高考热点
各种从句 In which play is ___ your brother appears?
强调句型 We elect him monitor at the class meeting. It is / was + 被强调的部分 +that / who+句子 其他成分 It was him that/whom we elected monitor at the class meeting. It was we that/who elected him monitor at the class meeting. It was monitor that we elected him at the class meeting.
…
a rule 2. S+ V + it + one’s duty + ( for sb. ) to do sth. /clause an honour … 3. S + V + it + no good + doing sth. no use
“it”指代主语
1. It was so pleasant that we have no classes this afternoon. 2. Life is precious, love a higher price. It is worthwhile to give up both for freedom. 3. It is known to everybody that the moon travels round the earth once every month.
“it”的虚拟语气句型
2. It is suggested ( ordered /demanded/insisted/commanded... ) that ... It is suggested that the meeting ( should ) be put off. It was ordered that we ( should ) arrive there in two hours. 3. It is a pity ( a shame ... ) that ... It is a pity that such a thing ( should ) happen in your class. It is a pity that he is ill.
A. not until midnight did he go B. until midnight that In which play is it that…? he didn’t go C. not until midnight that he went D. until midnight when he didn’t go 强调句型和 I don’t know in which play it is that…
The Practical Usage of “it”
____ was a sunny day today. ___ was so It It pleasant that we have no classes this afternoon. ___ was early at the noon that I went to the It school study room. I thought ____ wonderful to it enjoy my college life.
… wonderful find 1.S + think + it + reasonable+( for sb. ) to do feel Important /clause … …
“it”指代宾语
We think it civil servants’ duty to serve the people wholeheartedly.
人、物、时间、距离、金钱、Fra bibliotek气等 指代It
用作主语、宾语的部分
用在强调句型中 特殊句式 用来表示虚拟语气的句型中
Summary
“it”指代宾语
I thought it wonderful to enjoy my college life. Many people felt it reasonable that money is not everything but we can do nothing without money
1.
is estimated that the number of foreigners coming to China to learn the language over the last few years ____ maintained an average annual growth rate of 35 percent. A. It; has B. It; have
强调句型
1.It is + 被强调部分 + that/who ... It was about 600 years ago that the first clock with a face and an hour hand was made. It was they that (who ) cleaned the classroom yesterday. It was in the street that I met her father.
“it”指代主语
1.It is clear ( obvious， true， possible， certain....) that ..... 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. 2. It is .... since ... It is ( has been ) 5 years since his father died.
“it”的虚拟语气句型
1. It is important ( necessary， strange， natural...) that ... It is important that we (should) learn English well. It is necessary that he (should) remember these words.
“it”指代主语
8. It is ... when ...。 It was 5 o’clock when he came here. 9. It be ... before ... It was 3 days before he went to Beijing. It will be not long before he finishes his job. 10. It takes sb. ... to do sth. It took thousands of people many years to build the Great Wall.
“it”指代主语
3. It is said (reported， learned....) that ... It is said that he has come to Beijing. It is reported that another earth satellite has been put into orbit.
强调句型
2. It is not until + 被强调部分 + that ... It was not until she took off her dark glasses that I realized she was a famous film star.
= I didn’t realize she was a famous film star until she took off her dark glasses. = After she took off her dark glasses, I realized she was a famous film star.
135万 85:1
a rule 2. S+ V + it + one’s duty + an honour
( for sb. ) to do sth. /clause
3. S + V + it + no good + doing sth. no use
“it”指代宾语
… … find possible 1. S+ think + it + necessary +( for sb. ) to do sth. /clause feel important … …
“it”的虚拟语气句型
4. It is time ( about time ，high time ) that ... It is time that children should go to bed. = It is time that children went to bed. 5. It is the first ( second ... ) time that sb has/have done sth It is the first time I have been here.