主语从句解57248PPT课件

.,1,Grammar,Grammar,主语从句,.,2,名词性从句包括：宾语从句：介宾结构；动宾结构表语从句：系表结构(系动词后面跟一个从句)主语从句:一个句子做主语同位语从句：对名词进行解释说明,.,3,判断下列从句：1.Chinaisnolongerwhatsheusedtobe.2.Thequestionremainswhethertheywillbeabletohelpus.3.ItseemedasifIcouldntthinkoftherightword.4.ThereasonwhyIstudyhardisthatIwanttogotoakeyuniversity.5.Theybelieveinthatshemuststillbesingle.6.IknownothingabouthimexceptthatheislivinginBeijing7.Idontknowwhetherhesfreeornot.8.MaryaskedwhetherIwasdoingmyhomeworkornot.9.Imthinkingofwhetherweshouldgofishing.10.Weareworriedaboutwhetheritwillraintomorrow.,表语从句,宾语从句,.,4,.,5,(1).连接词：that在句子中不充当任何成分，无意义，不可省略Thathewillwiniscertain.Thathegotthefirstprizemadehisparentsveryhappy.ThatChinahasbecomestrongiscertain.Thattheyloveeachotherisobvious.Thatheplayedcomputergamesintonightmadehisparentsdisappointed.,.,6,(2).连接词whether在句中不充当成分，意为“是否”Whetherwegobytrainorbyboatmakesnodifference.Whetherlifeexistsonotherplanetsisnotclear.Whetherhellcomehereisntclear.Whethertheoldbusstationshouldbereplacedwithamodernhotelornotisunderdiscussion.,.,7,(3).连接副词when(时间),where(哪里),why(为什么),how(怎么；如何)有词义，在从句中担任状语。WhyChenLincommittedsuicidehasnotbeenclearyet.Howthishappenedisnotcleartoanyone.Wherehefoundthetreasureremainsamystery.Whenwewillholdthegraduationceremonyhasnotbeendecidedyet.Whentheywillleaveisnotdecided.,.,8,(4).连接代词：who(谁，主格);whom(谁；宾格);whose(谁的);what(什么事/话);which(哪一个);whoever(无论谁),whatever(无论什么),whichever(无论哪一个)在句子中担任主语，宾语，表语或定语,Whowillhostthemeetinghasntbeendecidedyet.Whichplanisbettershouldbediscussed.WhoevercomestoChinaiswelcome.Whateveryoudoinyoursparetimeshoulddonoharmtoothers.Whoeverbreaksthelawwillbepunished.,.,9,主语从句能用it做形式上的主语(二),.,10,注意:由that引导的主语从句有时为了使句子结构平衡,避免“头重脚轻”,常用it作形式主语,而把从句放在后面。例如:,1.Thathewillrefusethispieceofadviceisimpossible._2.Thattheyshouldlikeeachotherisnatural._,*it为形式主语,Itisnaturalthattheyshouldlikeeachother.,Itisimpossiblethathewillrefusethispieceofadvice.,.,11,这样就构成了下面一些常用句型:1)Itis+n.+从句Itisapity/shamethat.遗憾的是Itisasurprisethat令人惊奇的是Itisafactthat是事实Itiscommonknowledgethat是常识*_(很遗憾)welostthematch.*_(这是事实)hecheatedintheexam.,Itisapitythat,Itisafactthat,.,12,2)Itis+adj.+从句Itscertainthat肯定Itispossiblethat.很可能Itisunlikelythat.不可能Itisobviousthat很明显Itisnecessaryimportantnatural.that*_(很可能)shewillcomebacktomorrow.*_(很明显)thismeasureiseffective.,+(should)+do,Itispossiblethat,Itisobviousthat,.,13,3)It+be+过去分词+从句Itissaidthat.据说Itisknowntoallthat.众所周知Itisreportedthat.据报道Itisbelievedthat.据信;人们相信Itissuggestedthat+(should）do.建议Itmustbeadmittedthat必须承认Itcannotbedeniedthat不可否认Itmustbepointedoutthat需指出的是*_(据报道)20peoplewerekilledintheaccident.*_(建议)weshouldeatmorevegetableanddomoreexercise.,Itisreportedthat,Itissuggestedthat,.,14,4)It+不及物动词+从句Ithappenedthat.碰巧Itoccurredtomethat我突然想起_(刚好)Icameintotheofficeatthattime._(我突然想起)Iforgettosenttheletter.5)It+及物动词+宾语+that从句Itworriedherabitthatherhairwasturninggrey.Itshockedmethathedidnttellanybodywherehewas.,Ithappenedthat,Itoccurredtomethat,.,15,主语从句中应注意的问题,.,16,(一).语序应是陈述句语序Howhemanagedtosurviveintheforestinterestedeveryonepresent.Whenhewillcomeisnotknown.WhatheneedsisanEnglishdictionary.(二).谓语动词的单复数Whenweshallhveoursportsmeeting_(have)notbeendecidedyet.WhatIneed_(be)money.WhatIneed_(be)books.Whentheywillstartandwheretheywillgo_(have)notbeendecidedyet.Whenandwherethemeetingwillbeheld_(have)notbeendecided.,has,is,are,have,has,.,17,(三)if/wheter在主语从句中的用法Ifthemeetingwillbeputoffhasnotbeendecidedyet.,Whetherthemeetingwillbeputoffhasnotbeendecidedyet.,注意：whether可以引导主语从句可以放在句首，但if不能,.,18,(四).判断以下句子是否正确：,Theyshouldlikeeachotherisnatural.Thattheylikeeachotherisnatural.Itisnaturalthattheylikeeachother.,错误,正确,正确,That引导的主语从句放句首，既不充当成分又无意义，但that不能省去。,.,19,找出错误，并给出理由：1.Whereshallwespendtheholidayisntdecided.2.Youhavemadeamistakeisafact.3.Ifthepolicemanwillcomeisnotcertain.4.Thatiscertainthatwecanwin.,weshall,Whether,It,Thatyouhave,.,20,5.Itisorderedweshouldleaveatonce.6.Wherehecomesfromareamystery.7.Whatwhetherhelikesthejobisnotclear.8.Whoheisandwhereheisfromisimportant.9.Whathesawisthestarsinthesky.,that,is,x,are,are,.,21,Exercises:,PartOne:主语从句单选题,1.hashelpedtosavethedrowninggirlisworthpraising.,A.WhoB.TheoneC.AnyoneD.Whoever,D,2.Itwashesaiddisappointedme.,A.what;thatB.that;thatC.what;whatD.that;what,A,3.wellgocampingtomorrowdependsontheweather.,A.IfB.WhetherC.ThatD.Where,B,4.hesaidatthemeetingsurprisedeverybodypresent.,A.WhatB.ThatC.ThefactD.Thematter,A,.,22,5.wastoreturntoschool.,A.ThatreallyinterestedhimB.Whatreallyinterestedhim,C.WhichreallyinterestedhimD.Thatinteresthimreally,B,6.makesmistakesmustcorrectthem.,A.WhatB.ThatC.WhoeverD.Whatever,C,7.yourmenhavebeenonmylandwithoutpermission.,A.ItseemsthatB.Thereseemstobe,C.ThatseemsD.Itseemsfor,A,8.Ithasalwayspuzzledmetheoldmanliedared,silkribbonontheyoungtree.,A.thatB.whyC.whereD.what,B,.,23,_hemadeanimportantspeechatthemeetingwastrue.A.ThatB.WhyC.WhatD.How,2._wellgocampingtomorrowdependsontheweather.AIfBWhetherCThatDWhere,Choosethebestchoice,.,24,3.Itworriedherabit_herhairwasturninggray.whetherB.thatC.whatD.when4.WhatIsayandthink_noneofyourbusiness.A.isB.areC.hasDhave,.,25,1._youdontlikehimisnoneofmybusiness.2._hesaidatthemeetingastonishedeverybodypresent3._the2000OlympicGameswillbeheldinBeijingisnotknownyet.4._wellgocampingtomorrowdependsontheweather.5._leavestheroomlastoughttoturnoffthelights.,That,What,Whether,Whether,Whoever,请用恰当的主语从句连词填空:What,it,that,whether,whoever,.,26,Correctornot?,*Whenthemeetingwillbeheldhaventbeenknownyet.,.beheldhasntbeenknownyet.,Payattention:主语从句的谓语用单数形式,10,.,27,thecatdo,made,Whatthecatdidmadethebabycry.,What,cry,Makeasentence,30,.,28,1.Thequestionis_thefilmisinteresting.2._weshallattendthemeetinghasntbeendecidedyet.,用whetherif填空,whether,Whether,10,.,29,talkabout,theuseofcellphone,Whattheyaretalkingaboutistheuseofcellphone.,Makeasentence,30,.,30,*Ifwewillhaveameetinghasntbeendecidedyet.,Correctornot?,Whetherwewill.decidedyet.,Payattention:放在名词性从句句首，表示“是否”，只能用whether,不能用if,10,.,31,report,getthehighestpoints,matchItisreportedthatYaoMinggotthehighestpointsinthematch.,Makeasentence,30,.,32,Correctornot?,Payattention:此主语从句缺少成分-宾语，故用作成分的what来引导，而不用that。,Whatshewantstoknowis.,*Thatshewantstoknowiswhenthepartywillbeheld.,10,.,33,Correctornot?,Payattention:由that引