初中英语-主语从句

Whowillwinthematchisstillunknown.Iwanttoknowwhathehastoldyou.Thefactisthatwehavelostthegame.Thenewsthatwewonthegameisexciting.主语从句宾语从句表语从句名词性从句的作用相当于名词，因此主语从句、表语从句、宾语从句和同位语从句分别作主句的主语、表语、宾语和同位语。同位语从句NounClauses(名词性从句)SubjectClause(主语从句)AppositiveClause（同位语从句）ObjectClause（宾语从句）PredicativeClause（表语从句）1.Atreehasfallenacrosstheroad.2.Youareastudent.3.Tofindyourwaycanbeaproblem.4.Smokingisharmfultoyou.5.Whatshesaidisnotyetknown.6.Thatweshallbelateiscertain.7.It’scertainthatweshallbelate.主语从句是在复合句中充当主语的从句,通常放在主句谓语动词之前或由形式主语it代替,而本身放在句子末尾。1.Howthebookwillselldependsonitsauthor.2.Thatheisthebeststudentintheclassisobvious.主语从句1Thathewillcomeiscertain.2Whetheritwillpleasethemisnoteasytosay.3Whatseemseasytosomepeopleseemsdifficulttoothers.4Whichsidewillwinisnotclear.5Whyhediditremainsamystery.6Whentheywillstartisnotknownyet.7Howhebecameagreatscientistisknowntousall.8Whowilltakepartinthemeetinghasnotbeendecided.9Whoeverbreaksthelawwillbepunished.10Wheresheisfromisunknown.请观察下列句子,注意主语从句的特点。1.Thattheearthtravelsroundthesunisawell-knownfact.2.whethertheartistcandoitornotisuncertain.3.Whowillacttheleadintheplayhasnotbeendecidedyet.4.Wheretheyoungmanhasgoneisnotknown.5.Whenandwherethetestwillbegivenisnotyetdecided.1.主语从句必须有引导词。2.主语从句用陈述句语气。【归纳总结】1.引导主语从句的词有连词:that,whether；连接代词:who,whose,whom,whoever,what,which等；连接副词where,when,whenever,wherever,how,why等。依据“缺什么补什么”原则。所谓“缺什么补什么”是指句型结构与连词之间的关系。如果句子中缺主语，指人用who，指物用what；如缺宾语，指人用whom，指物用what；如缺时间状语用when；地点状语用where；原因状语用why；方式状语用how；定语用what或which；什么都不缺用that。Wherehewillgoisunknown.Whatyousaidyesterdayisright.ThatheknowsJapaneseisknowntoall.Whetherheiscomingdoesn’tmattermuch.主语从句引导词的选择1).连接词:that,whether例:(1)._______hewillwiniscertain.(2).Ithasbeenreported______salesofbeefinChinawillincrease.(3).________weshallraiseducksorgeeseremainstobedecided.(4).__________he’lljoinusinthediscussionisofgreatimportance.ThatthatWhetherWhether2)连接代词:who,whom,whose,what,which,whoever,whatever,whichever等。(1).Itisclearisafraidofhavingachangeinlandownership.(2)._______bagitiscannotbetold.(3).______Indianeedsisalawtomakelandownershipfairer.whoWhoseWhat(4).Itisnotyetdecided________cashcropwillbeproducednextyear.(5).____________hesaidwasright.(6)._________gotheremustgetreadyby6o’clock.whichWhateverWhoever3)连接副词:when,where,why,how,howmany,howmuch,howlong,howsoon,howoften(1)._________we’llstarttomorrowwillbetoldsoon.(2).__________wecanbuyoxenissomethingweneedtofindout.(3)._____________hecamehereisnotknown.WhenWhereHow/When(4)._____wecanprotectthegrainneedstobediscussed.(5).__________peoplediedfromstarvationthatyearwillneverbeknown.(6)._________he’llgotoseehisgrandmotherdependsonthetimehecanspare.HowHowmanyHowoften归纳总结：主语从句引导词的选择主要是根据从句的结构和意义来选择：1.如果从句的意义和结构完整，则用that。2.如果从句的意义和结构不完整，则根据从句的意义和结构选择相应的引导词。1._______themeetingwillbeheldontimeisnotknownyet.2.________leavestheroomlastoughttoturnoffthelight.3._____hehasbecomearichmanisknowntoallinourtown.4._____Ineedismoretime.5._____________wewillgoforanoutingtomorrowremainsunknown.WhetherWhoeverThatWhatWhether/Where完成下面主语从句比较that/what1.______hewantsisabook.2.______hewantstogothereisobvious.3..______happenedisnotclear.4.ThisisthebestTV_____ismadeinChina.5.Thefirstmuseum_____hevisitedinChinawastheHistoryMuseum.WhatThatthatWhatthat定语从句定语从句that和what的选用that和what都可引导主语从句。但是，what除起连接作用外，还在主语从句中充当成分，可做从句的主语、宾语、或表语。而that在主语从句中不充当任何成分，只起连接作用。1.Whatyouleftareonlyseveraloldbooks.2.Whatyousaidisofgreatimportance.3.Whetherhe’llcomehereisnotclear.1.“if”不能引导主语从句，应有“whether”引导。3.主语从句的“that”一般不能省。4.“what”引导主语从句时，谓语动词：1）常与其后的名词作表语一致2）根据句子的语境而定。4.主语从句需注意的问题2.主语从句中用陈述语序1._____youdon’tlikehimisnoneofmybusiness.2._____hesaidatthemeetingastonishedeverybodypresent3.________the2000OlympicGameswillbeheldinBeijingisnotknownyet.4.________we’llgocampingtomorrowdependsontheweather.5.________leavestheroomlastoughttoturnoffthelights.ThatWhatWhetherWhetherWhoever1.___hemadeanimportantspeechatthemeetingwastrue.A.ThatB.WhyC.WhatD.How2.___we’llgocampingtomorrowdependsontheweather.AIfBWhetherCThatDWhere3.Itworriedherabit___herhairwasturninggray.A.whetherB.thatC.whatD.when4.WhatIsayandthink___noneofyourbusiness.A.isB.areC.hasDhave1.他在找什么与你无关。用主语从句翻译下列句子。2.他是否能来仍然是个问题。Whatheislookingforisnoneofyourbusiness.Itremainsaquestionwhetherhewillbeabletocome.4.飞机何时起飞还没有宣布。3.谁告诉他们这个消息的仍然是个谜。Whotoldthemthenewsisstillamystery.Whentheplaneistotakeoffhasnotbeenannounced./Ithasnotbeenannouncedwhentheplaneistotakeoff.Completethesentencesusingwhat,whether,where,when,who,why,howorthat.1.(________isneededforsuccess)isyourhardwork.3.(________wewillgotomorrow)hasn’tbeendecidedyet.2.(______theywillarrive)hasbeentoldtotheteacher.4.(___canjoininthesportmeet)isdecidedbytheteacher.5.(________itwillrainornot)isnotclear.7.(______theearthisasolidball)isknowntousall.WhatWhen/HowWhere/WhetherWhoWhetherThat6.(______theearthisbecomingwarm)isagoodtopicforresearch.Why主语从句作主语时，谓语动词一般用单数形式。Conclusion:主语从句练习1．______theyaremostinterestedinishowtheycanproducemoreandbettercars.A.ThatB.WhatC.WhatD.That2．______we’llgocampingtomorrowdependsontheweath