人教课标版高二选修6Unit4市公开课一等奖百校联赛特等奖课件.pptx

人教课标人教课标人教课标人教课标版版版版 高二选修高二选修高二选修高二选修6 6Unit 4Unit 4第1页I.代词代词ita.用作人称代词用作人称代词,代替前文提到事物。代替前文提到事物。Mywatchismissing.Icantfind(it)anywhere.Herfatherhasgoneabroad.Haveyouheardabout(it)?第2页b.代替指示代词代替指示代词this,that。Whatsthis?(Its)acomputer.Whosepenisthat?Itsmine.c.表示时间、天气、距离、季节、明暗表示时间、天气、距离、季节、明暗等。等。Itstimeforlunch.Itsgettingwarmerandwarmer第3页Itsfortyyearssincemyhometownwasliberated.Itssummernow.Howfarisitfromheretotheairport？Itsabouttwentyminuteswalkfromheretothebusstop.第4页II.引导词：引导词：a.作形式主语作形式主语,代替由不定式代替由不定式,动名词或动名词或从句表示真正主语。其基本句型为：从句表示真正主语。其基本句型为：It(形式主语形式主语)+adj.+to+v.It(形式主语形式主语)+adj.+that(subject(主主语语)+v.)第5页It(形式主语形式主语)+adj.+whether(subject+v.)Itisadj.forsb.todosth.(of)Itseems(appears)that(subjectv.)happens 第6页ItisveryimportanttohelpeachotherItisnouse/uselessgoingthereagainItsnotdecidedyetwhentheywillleaveforShanghaiItseemsthathehascaughtacold.=Heseemstohavecaughtacold第7页Is_possibletomasteraforeignlanguageintwomonths?A.nowB.thatC.itD.manIs_necessarytotellhisfatherthetruth?A.itB.thatC.whatD.he第8页b.作形式宾语作形式宾语,代替由不定式、动名代替由不定式、动名词或从句表示真正宾语。其主要基词或从句表示真正宾语。其主要基本句型为本句型为:主语谓语主语谓语it(形式宾语形式宾语)宾语宾语补足语补足语todosth.(doingsth.或或that从句从句).第9页MarxfounditimportanttostudythesituationinRussia.Shethoughtitnousetowritetohimagain.Theywanttomakeitcleartothepublicthattheydoanimportantandnecessaryjob.第10页Doyouthink_difficulttoworkoutthismathsproblem?A.thatB.veryC.yourselfD.itHavingbeentheremanytimes,_tofindMr.Wangshouse.A.itwaseasyforhimB.forhimitwaseasyC.hefounditeasyD.hefoundeasy第11页c.用在强调句型中用在强调句型中,为了强调句子某一为了强调句子某一成份成份(通常是主语、宾语或状语通常是主语、宾语或状语),惯惯用结构用结构:Itis/was被强调部分被强调部分that(who).ImetTominthestreetyesterday第12页ItwasIwho(that)metTominthestreetyesterday.ItwasTomthatImetinthestreetyesterday.ItwasinthestreetthatImetTomyesterday.ItwasyesterdaythatImetTominthestreet.主语主语宾语宾语时间状语时间状语地点状语地点状语第13页_shehadarrivedhomethatsherememberedherappointment(预约预约)withthedoctor.A.ItwasnotuntilB.NotuntilitwasC.NotuntilD.Untilitwasnot第14页1.It_forthisreason_herunclemovedoutofNewYork.A.is.whichB.was.whyC.was.thatD.were.how2.Itwas_hesaidatthemeeting_disappointedme.A.what.,thatB.that.,thatC.what.,whatD.that.,whatDrills第15页3.-WasntitDr.Liwhospoketoyoujustnow?-_.A.IdidntknowhewasB.Yes,hedidC.No,hedidntD.Yes,hewas4.WasitduringtheSecondWorldWar_hedied?A.thisB.thenC.thatD.while第16页5.Idontthink_possibletomasteraforeignlanguagewithoutmuchmemorywork.A.thisB.itC.thatD.its6.Does_matterifhecantfinishthejobontime?A.itB.thisC.thatD.he第17页7.Tomsmotherkepttellinghimthatheshouldworkharder,but_didnthelp.A.heB.whichC.sheD.it8.Was_in1998_yourteachergraduatedfromuniversity?A.that.,thatB.it.whichC.it.thatD.it.when第18页9.Hefelt_dutytoworkforhumanrightsandprogress.A.ithisB.hisC.thatisaD.thatishis10._isnogood_withoutdoinganything.A.This.talkingB.It.tospeakC.That.tosayD.It.talking第19页11.Allthechildrenexceptmypartner_latebecauseoftrafficjam.A.isB.areC.wasD.hasbeen12.Yournewclothesfityou,butmine_me.A.dontfitB.doesntfitC.dontfitforD.arentfit第20页(II)It(II)It使用方法及强调句使用方法及强调句使用方法及强调句使用方法及强调句型型型型 第21页性性质质功功能能例例句句代代词词用作人称代词，代替上文提到人或事物。Whoisit?Itsme.Youvehelpedmealot;Illneverforgetit.第22页性质性质功功能能例例句句代代词词用以代替用以代替指示代词指示代词this或或that。Whatsthis?ItsacomputerWhosebookisthat?Itshers第23页性质性质功功能能例例句句代代词词表示时间、表示时间、天气、距离、天气、距离、价钱等。价钱等。ItstimeforlunchItsraininghardItstwomilesfromtheschooltoourhome第24页引引导导词词作形式主语,代替由不定式、动名词或从句等表示真正主语。Itiseasytobuyanewradio.Itisnousetellinghimthat.Itdoesntmatterwhethershecomesornot.第25页引引导导词词作形式宾语,代替由不定式、动名词或从句等表示真正宾语。Ifeelitmydutytohelphim.Wethoughtitnousedoingthat.Ivemadeitclearthatnobodyisallowedtosmokehere.第26页引引导导词词表示强调,其结构是:It is/was+强调部分+that+原句剩下部分。此结构只限于强调状语、主语和宾语。注意：假如强调是人,其后用that或who 均可;假如强调是物、时间或地点等状语,其后只能用that不用where、when、why。第27页引引导导词词IsawTomyesterdayhere.ItwasIthat/whosawTomyesterdayhereItwasTomthat/whoIsawyesterdayhereItwasyesterdaythatIsawTomhereItwasherethatIsawTomyesterday第28页引引导导词词注意:若原句是notuntil句型,在强调until 部分时,要把否定形式放入被强调部分。比如:He didnt leave until l returned.=It was not until I returned that he left第29页易易与与强强调调句句型型*若强调谓语,则用do/does/did+动词原形,常译为“确实”“一定”等,该结构只能用于陈说句或祈使句中。引导强调句与其它从句区分在于：Do be patient!(一定要耐心点)He does want to learn English well.(他确实想学好英语。)It was in the place that I was born.(强调句)It was the place where I was born.(定语从句)第30页混淆其它从句 强调句型中前后时态应一致;被强调部分为主语、宾语和状语,若把it iswas和thatwho去掉,剩下词语能重新组成正确句子,而且不缺成份,不然就是其它从句。Itwasin1945thatWorldWarIIended.(强调句强调句)Itwas1945whenWorldWarIIended.(定语从句定语从句)ItwasalongtimesinceImetyoulast.(时时间状语间状语)Itistimethatyouwenttobed.(定语从句定语从句)第31页口诀：口诀：代词代词it本意它本意它,既可指这又指那既可指这又指那;时间天气均可指时间天气均可指,谈到距离也用它谈到距离也用它;假主假宾均可做假主假宾均可做,强调句型跟强调句型跟that。第32页1.Itwasthisvillage_Iwasbought.A.whereB.thatC.onwhichD.which2.Itwasinthisvillage_Iwasboughtup.A.whereB.thatC.onwhichD.which第33页3.Canitbeinthedrawer_youputyourpassport?A.whereB.inwhichC.thereD.that4.ItwasJuly1,1997_sawthereturnofHongKongtothemotherland.A.thatB.whenC.whichD.inwhich第34页5.Itistwoyears_Ijoinedthearmy.A.beforeB.sinceC.thatD.after6.Itwastwoyears_Ijoinedthearmy.A.beforeB.sinceC.thatD.after第35页7.-Wasitunderthetree_youwereawaytalkingtoafriend?-Sure.ButwhenIgotbackthere,thebikewasgone.A.thatB.whereC.whichD.while8.-Whydontwetakealittlebreak?-Didntwejusthave_?A.itB.thatC.oneD.this第36页9.Itwasnotuntil1920_regularradiobroadcastbegan.A.whileB.whichC.thatD.since10._isthefactthatEnglishisbeingacceptedasaninternationallanguage.A.ThereB.ThisC.ThatD.It第37页11.Itwasabout600yearsago_firstclockwithafaceandanhourhandwasmade.A.thatB.untilC.beforeD.when12.Ihate_whenpeopletalkwiththeirmouthsfull.A.itB.thatC.theseD.them第38页13.ItwasonlywhenIrereadhispoemsrecently_Ibegantoappreciatetheirbeauty.A.untilB.thatC.thenD.so14.Itistheabilitytodothejob_mattersnotwhereyoucomefromorwhatyouare.A.oneB.thatC.whatD.it第39页15.TheParkersboughtafewhousebut_willneedalotofworkbeforetheycanmovein.A.theyB.itC.oneD.which16._noneedforustodiscusstheproblemagainsinceithasalreadybeensettled.A.IthasB.TherehasC.ItisD.Thereis第40页17.Wasitin1969_theAmericanastronautsucceeded_landingonthemoon.A.when;onB.that;onC.when;inD.that;in18.Was_thatIsawlastnightattheconcert?A.ityouB.notyouC.youD.thatyourself第41页19._wasin1979_Igraduatedfromtheuniversity.A.That;thatB.It;thatC.That;whenD.It;when20.Whatapitymynewcomputerdoesntwork!_mustbesomethingwrongwithit.A.ItB.ThereC.ThisD.That第42页21.Ilike_intheautumnwhentheweatherisclearandbright.A.thisB.thatC.itD.one22.Someoneisknockingatthedoor,butwhocan_be?A.oneB.heC.sheD.it第43页23.Aknockonthedoormadehimlookup.But_wasonlythemanager.A.thisB.thatC.sheD.it24.Someoneisringingthedoorbell.Goandsee_.A.whoisheB.whoheisC.whoisitD.whoitis第44页25.Is_necessarytocompletethedesignbeforeNationalDay?A.thisB.thatC.itD.he26.Does_matterifhecantfinishthejobontime?A.thisB.thatC.heD.it第45页27.Itworriedherabit_herhairwasturninggrey.A.whileB.thatC.ifD.for28.Theyhavemade_arule_intheroom.A.this;nottosmokeB.it;smokingC.it;tonotsmokeD.it;nottosmoke第46页