高二英语选修6-it的用法-完整课件

it的用法1.it的用法1.知识点：it的基本用法itthat/thoseone/ones的区别强调句it做形式主语与形式宾语it的常见句型2.知识点：2.难点:

itthat/thoseone/ones的区别强调句it的常见句型3.难点:3.thatit/thoseone/ones的区别4.thatit/thoseone/ones的区别4.1)one,ones,that,thosethat替换单数可数名词或不可数名词；one只替换单数的可数名词。ThecoffeeproducedinBrazilismorefamousthan__________inMexico.

that5.1)one,ones,that,thosethat替换2)that只用于替换表示事物的名词，而one/ones替换表示人和表示事物的名词皆可。eg:Hisyoungersisteristallerthantheelder___.Ineedtheplasticbags,notthepaper______.oneones6.2)that只用于替换表示事物的名词，而one/ones3)that/those一般不带前置定语，但必须有后置定语。one/ones都可。当替换词的后置定语用所有格的of短语或当替换词被所有格修饰时，不用one/ones而用thatof/thoseof.

Thewindowsofyourflatarecleanerthan_________ofmine.Agrandparent’sjobiseasierthan________ofaparent.thosethat7.3)that/those一般不带前置定语，但必须有后置定4)that/those用于替换有定冠词的名词；one/ones用于替换有不定冠词的名词。eg:Thestyleofthebuildingissimilarto_________ofatemple.ACDplayermadeinJapancostsmorethan________madeinChina.thatone8.4)that/those用于替换有定冠词的名词；one/eg:IboughtadictionarythreeyearsagoandIamstillusing______now.IboughtadictionarythreeyearsagobutIamgoingtobuyanew_______soon.it指特定的前面提到过的事物，即：it和它替换的是同一个事物，it前无修饰语；而one用于替换与前提事物有共同之处但并不完全一样的事物，因此，one之前或之后一定有修饰语来加以区别。5)it和one

itone9.eg:Iboughtadictionarythreitthat/thoseone/ones的区别：that替换单数可数名词或不可数名词，one只替换单数的可数名词that只用于替换表示事物的名词，而one/ones替换表示人和表示事物的名词皆可。that/those一般不带前置定语，但必须有后置定语。one/ones都可。当替换词的后置定语用所有格的of短语或当替换词被所有格修饰时，不用one/ones而用thatof/thoseof.that/those用于替换有定冠词的名词；one/ones用于替换有不定冠词的名词。it指特定的前面提到过的事物，即：it和它替换的是同一个事物，it前无修饰语；而one用于替换与前提事物有共同之处但并不完全一样的事物，因此，one之前或之后一定有修饰语来加以区别。10.itthat/thoseone/o1.TheParkersboughtanewhousebut_____willneedalotofworkbeforetheycanmovein.(NMET2001,25)

A.they

B.it

C.one

D.which

2.Iamlookingforahouse.I’dlike____withabrook(小溪)around_____.

A.one,itB.it,itC.one,oneD.it,one3Iammovingtothecountrysidebecausetheairthereismuchfresherthan__________inthecity.A.onesB.oneC.thatD.those巩固练习11.1.TheParkersboughtanewhou强调句12.强调句12.一、

Itis/was+被强调部分是物+that+剩余的部分被强调部分是人+who/whom/that+剩余的部分注意(被强调部分是:主语，宾语，表语或状语)我昨天在街上看到TOM.I

met

Tom

inthestreet

yesterday.13.一、Itis/was+被强调部分是物+that+剩①ItwasIwho(that)metTominthestreetyesterday.②ItwasTomthatImetinthestreetyesterday.③ItwasinthestreetthatImetTomyesterday.④ItwasyesterdaythatImetTominthestreet.主语宾语时间状语地点状语14.①ItwasIwho(that)metTom强调句的连接词一般只用that；强调人时，可用who(主语)或whom(宾语).强调句的句型一般为“Itwas/is+强调部分+that+其余部分”强调时间,地点,原因状语时,不能使用when,where,why来代替that15.强调句的连接词一般只用that；强调人时，15.二ItwasyesterdaythatImetTominthestreet.(改为一般疑问句)WasityesterdaythatImetTominthestreet？ItwasyesterdaythatImetTominthestreet.(就划线部分提问)WhenwasitthatImetTominthestreet？强调句的一般疑问句句型：Is/Was+it+所强调的部分+that/who/whom+其余部分?强调句的特殊疑问句句型：特殊疑问词+was/isthat+其余部分?16.二ItwasyesterdaythatImetIdidn'trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.三not...until...的强调形式:Itisnotuntil+被强调部分+that...“直到…才…”，主要用于强调时间状语的强调句型。Itwasnotuntilshetookoffherdarkglasses

thatIrealizedshewasafamousfilmstar.

17.Ididn'trealizeshewasafam四强调主语时，谓语动词应与之保持一致。ItisIwho_______togotheretogetherwithyou.A.amBisCareDwereItwasMaryandMikewho______praisedatthemeeting.A.areBisCwereDam五强调主语或宾语且其为人称代词时，应注意其形式仍用主格或宾格形式Itwas______whoshowedmetotheheadmaster’soffice.A.sheB.herC.hersDitItwas______thattheheadmastershookhandswithyesterday.A.himB.hisC.heD.it

18.四强调主语时，谓语动词应与之保持一致。ItisI六强调句与定语从句的区别:Itwasin1945thatWorldWarIIended.(强调句)Itwas1945whenWorldWarIIended.(定语从句)Itwasinthisfactory________myfatherusedtowork.Itwasthisfactory_________myfatherusedtowork.

被强调的部分为主语、宾语和状语,若把itis／was和that／who去掉,剩下的词语能重新组成正确的句子,而且不缺成分,其就是强调句，否则就是其它从句。

thatwhere19.六强调句与定语从句的区别:Itwasin19451Itwasthisvillage___Iwasbroughtup.A.whereB.thatC.onwhichD.which2.Itwasinthisvillage___Iwasbroughtup.A.whereB.thatC.onwhichD.which20.1Itwasthisvillage___Iw选用that,it,when,where,which,why,who填空1Howwas_________________yousucceeded?2Wasitinthevillage_________weusedtolivein________theaccidenthappened?3Itwastheteacher_______made______possible________Iwenttocollege.4Itwas1979__________Igraduatedfromtheuniversity.5ItwasBeijing_________IwenttotheGreatWalllastyear.6Wasitin1982________youwereincollege______yougottoknowher?itthatwhichthatwho/thatitthatwhenwherewhenthatit21.选用that,it,when,where,which,w强调句应注意以下几点:1

Itis/was+被强调部分是物+that+剩余的部分被强调部分是人+who/whom/that+剩余的部分注意(被强调部分是:主语，宾语，表语或状语)2强调句的连接词一般只用that；强调人时，可用who(主语)或whom(宾语).3强调句的时态一般为“Itwas/is+强调部分+that+其余部分”4强调时间,地点,原因状语时,不能使用when,where,why来代替that5强调句的一般疑问句句型：Is/Was+it+所强调的部分+that/who/whom+其余部分?22.强调句应注意以下几点:22.6强调句的特殊疑问句句型：特殊疑问词+was/isthat+其余部分?7not...until...的强调形式:Itisnotuntil+被强调部分+that...“直到…才…”，主要用于强调时间状语的强调句型。8强调主语时，谓语动词应与之保持一致。9强调主语或宾语且其为人称代词时，应注意其形式仍用主格或宾格形式10被强调的部分为主语、宾语和状语,若把itis／was和that／who去掉,剩下的词语能重新组成正确的句子,而且不缺成分,其就是强调句，否则就是其它从句。23.6强调句的特殊疑问句句型：23.巩固练习：1.Itwas___hesaid____disappointedme.A.what;thatB.that;thatC.what;whatD.that;what2.Isitinthefactory_____thistypeofcarsareproduced?A.whichB.whereC.thatD./3.Isitthefactory______thistypeofcarsareproduced?A.whichB.whereC.thatD./24.巩固练习：24.4._____onMondaynightthatallthishappened?A.IsitB.ItisC.WasitD.Itwas5.Itwas_____theoldworkercamethatwe_____theexperiment.A.until;didn’tbeginB.notuntil;beganC.untilbeganD.notuntil;didn’tbegin6.ItisI____singinginthegarden.A.whoareB.whoamC.thatareD.thatis25.4._____onMondaynightthat1.Itwasabout600yearsago______thefirstclockwithafaceandanhourhandwasmade.(NMET1997)A.thatB.untilC.beforeD.when2.ItwasonlywhenIrereadhispoemsrecently_____Ibegantoappreciatetheirbeauty.(NMET1998)A.untilB.thatC.thenD.so高考链接26.1.Itwasabout600yearsago3.Why!Ihavenothingtoconfess._____youwantmetosay?(NMET2004上海)A.WhatisitthatB.WhatitisthatC.HowisitthatD.Howitisthat4.Itwas______backhomeaftertheexperiment.(NMET2004湖北)A.notuntilmidnightdidhegoB.untilmidnightthathedidn’tgoC.notuntilmidnightthathewentD.untilmidnightwhenhedidn’tgo27.3.Why!Ihavenothingtoconf把下列句子改为强调结构:1Themeetingwillnotbeginuntileveryoneisseated.2Howdidyoufindhishouse?3Theysaidhonestyisthebestofallthevirtues.1Itisnotuntileveryoneisseatedthatthemeetingwillbegin.2Howwasitthatyoufoundhishouse?3Theysaiditishonestythatisthebestofallvirtues.28.把下列句子改为强调结构:1Itisnotuntil关于it的一些固定句型29.关于it的一些固定句型29.补充完整下列句子:1It____________________towalktoschooleveryday.每天我走路去学校花了20分钟的时间.2_______________thathestudiedabroadwhenhewasyoung.据说他年轻时在外国留学3Itis_______________(cry)overthespiltmilk.覆水难收.4Itis______________thatI_____________theGreatWall.这是我第一次参观长城.5_____________________sheissoangry.难怪她如此生气.Itis__________________welastmet.自从我们上次相遇已有三年.7It___________________beforewegraduate.我们不久就要毕业.8Itis_______________________________________.我们该起床了.takesme20minutesItissaidnousecryingthefirsttimehavevisitedItisnowonderthatthreeyearssincewillnotbelongtimethatweshouldgetup/timethatwegotup.30.补充完整下列句子:takesme20minutesIt1

必须干……的时候了.2花某人…….时间干某事.3难怪/真可惜/真可耻4似乎…碰巧5众所周知/据报道/据说/人们相信/人们希望6干……..是没用的.7自从…….是/有多长时间了.8要过很久才9做某事很值得10这是/那是/这将是某人第几次做某事了.it常见句型复习31.1必须干……的时候了.it常见句型复习31.1

Itistime/hightime+thatsbshoulddosth/didsth.2Ittakessbtimetodosth.3Itisnowonder/apity/ashame+that从句4Itseems/happens+that从句5Itisknown/reported/said/believed/hoped+that从句=Peopleknow/report/say/believe/hope+that从句6Itisuseless/nouse/nogood+doingsth7Itis/hasbeen…since….8Itwillbe+一段时间+before要过多少时间才9Itiswellworthdoingsth.10Itis+序数词+time+thatsbhavedonesth32.1Itistime/hightime+that1

Itoccurredtosbthat+从句某事发生在某人身上2Itis/was/willbethe+序数词+time+that从句这是/那是/这将是某人第几次做某事了.(谓语动词为is,从句用现在完成时,谓语动词为,从句用过去完成时,谓语动词为,从句用一般将来时表示将来.)这是我第一次来这里.ItisthefirsttimethatIhavebeenthere.3Itisone’sturntodosth.该轮到某人做某事了.4Itisawasteoftimedoingsth.做某事是在浪费时间.5Itisuptosbtodosth.该由某人做某事了.补充33.1Itoccurredtosbthat+从句难点：itthat/thoseone/ones的区别强调句it的常见句型你掌握了吗34.难点：你掌握了吗34.Homework:翻译下列句子复习今天所讲的内容背诵it的常见句型试卷20条选择35.Homework:翻译下列句子35.①Itisnevertoooldtolearn.

活到老，学到老。②Itiseasiertofallthantorise.