高二英语选修6 it的用法 课件.ppt

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的常见句型难点:itthat/thoseone/ones的区别强调句it的常见句型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.that2)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______.oneones3)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.thosethat4)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.thatoneeg: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oneitoneitthat/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。1.TheParkersboughtanewhousebut_____willneedalotofworkbeforetheycanmovein.(NMET2001,25)A.theyB.itC.oneD.which2.Iamlookingforahouse.I’dlike____withabrook(小溪)around_____.A.one,itB.it,itC.one,oneD.it,one3Iammovingtothecountrysidebecausetheairthereismuchfresherthan__________inthecity.A.onesB.oneC.thatD.those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.ImetTominthestreetyesterday.①ItwasIwho(that)metTominthestreetyesterday.②ItwasTomthatImetinthestreetyesterday.③ItwasinthestreetthatImetTomyesterday.④ItwasyesterdaythatImetTominthestreet.主语宾语时间状语地点状语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that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?Ididn'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。ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar.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。thatwhere1Itwasthisvillage___Iwasbroughtup.A.whereB.thatC.onwhichD.which2.Itwasinthisvillage___Iwasbroughtup.A.whereB.thatC.onwhichD.which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/thatitthatwhenwherewhenthatit强调句应注意以下几点:1Itis/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?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。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./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.thatis1.Itwasabout600yearsago______thefirstclockwithafaceandanhourhandwasmade.(NMET1997)A.thatB.untilC.beforeD.when2.ItwasonlywhenIrereadhispoemsrecently_____Ibegantoappreciatetheirbeauty.(NMET1998)A.untilB.thatC.thenD.so高考链接3.Why!Ihavenothingtoconfess._____youwantmetosay?(NMET2004上海)A.WhatisitthatB.WhatitisthatC.HowisitthatD.Howitisthat4.Itwas______backhomeaftertheexperiment.(NMET2004湖北)A.notuntilmidnightdidhegoB.untilmidnightthathedidn’tgoC.notuntilmidnightthathewentD.untilmidnightwhenhedidn’tgo把下列句子改为强调结构:1Themee