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基本概念:名词性从句是相当于名词的句子在句中作主语、宾语、表语、同位语,因此分别称为主语从句、宾语从句、表语从句、同位语从句。1、主语从句(1)引导主语从句的关联词有三类:从属连词that(不充当句子成分,没有词汇意义)Thattheywereintruthsisterswasclearfromthefacialresemblancebetweenthem.从属连词whether“是否”(不能使用if)Whetherhewillcomehereisnotclear.连接代词who,whom,whose,what,which,whoeverwhatever,whichever,whoever=anyonewhowhatever=anythingthatwhichever=any…that)Examples:Whowillgivethespeechisnotknownyet.Whotheprizewillbegiventoisnotdecidedyet.Whoseroomitisisclear.Whathesaidatthemeetingwastrue.Whathesaidatthemeetingisnotknownyet.Which(one)youlikehasnothingtodowithme.Whoevercomesiswelcome.WhateverIhaveisatyourservice.Whichever(ofyou)comesfirstwillreceiveaprize.Whicheveryouwantisyours.连接副词where,when,how,why.Wherethemeetingwillbehelddependsontheweather.Whentheyareleavingisbeingdiscussed.Howthishappenedisnotcleartoanyone.Whyhewasabsentyesterdaywasthathewasillathome.(2)主语从句常用it作形式主语的有①It+be+形容词(obvious,truenatural,surprising,good,wonderful,funny,possible,likely,certain,probable,etc)+that----Itisprobablethathetoldhereverything.②It+be+名词词组(nowonder,anhonour,agoodthing,apity,nosurprise,etc)+that---Itisnosurprisethatourteamshouldhavewonthegame.③It+be+过去分词(said,reported,thought,expected,decided,announced,arranged,suggested)+that---.Itisannouncedintoday’snewspaperthatBushwillpayavisittoChinanextweek.④It+seems/appears,happens等不及物动词及短语+that---IthappenedthatIwasoutthatday.Itdoesn’tmatter(makesnodifferencesetc)+连接代词或连接副词引导的主语从句Itmakesnodifferenceswhereweshallhavethemeeting.当主语从句出现在感叹句中时,用it作形式主语.Howstrangeitisthattheyaresoquiet.2.____wecan’tgetseemsbetterthan____wehave.A.What,whatB.What,thatC.That,thatD.That,what1.____youdon’tlikehimisnoneofmybusiness.A.WhatB.WhoC.ThatD.Whetherthat不充当任何成分what充当宾语Consolidation3._____we’llgocampingtomorrowdependsontheweather.A.IfB.WhetherC.ThatD.Where4.______hashelpedtosavethedrowninggirlisworthpraising.A.WhoB.TheoneC.AnyoneD.Whoeverwhoever=anyonewho凡……者5.____wantstodocomputerstudentsshouldsign____onthispaper.A.Who,hisnameB.Theonewho,hernameC.Thosewho,theirnameD.Whoever,theirnames6._____isafactthatEnglishisbeingacceptedasaninternationallanguage.A.ThereB.ThisC.ThatD.Itit作形式主语7.Itworriedherabit_____herhairwasturninggrey.A.whileB.thatC.ifD.for8._____seemsstrangetousis_____thetroublesomeboyisgettingalongwellwithallhisteachers.A.It,thatB.What,howC.It,howD.What,thatwhat作主语,充当成分9.ItwasonlywhenIrereadhispoemsrecently____Ibegantoappreciatetheirbeauty.A.untilB.thatC.thenD.so10.Itwasabout600yearsago____thefirstclockwithafaceandanhourhandwasmade.A.thatB.untilC.beforeD.when1.Iremember___thisusedtobeaquitevillage.A.whenB.howC.whereD.what2.----Doyouknow___MrBlack'saddressis?----HemayliveatNo.18orNo.19ofBridgeStreet.I'mnotsure_____A.what,whichB.where,whichC.where,whatD.what,where宾语从句：3.Acomputercanonlydo___youhaveinstructedittodo.(2001)A.howB.afterC.whatD.when4.Itisgenerallyconsideredunwisetogiveachild____heorshewants.A.howeverB.whateverC.whicheverD.whenever5.ThesewildflowersaresospecialthatIwoulddo___Icantosavethem.A.whateverB.thatC.whichD.whichever6.--Myfoothurtsterribly,doctor.--Well,Iwonder___ithasbeenlikethis.A.sincewhenB.sincethenC.howD.when7.--Doyouremember___hecame?--Yes,Ido.hecamebycar.A.whereB.howC.thatD.if8.Pleasetellme____youwouldliketohaveyourcoffee-blackorwhite.A.whatB.whereC.whenD.how9.Thosechildrenarewild.Ifeelsorryfor____hastobetheirbabysitter.A.whoeverB.whoC.whomeverD.someone•Thequestioniswhocancompletethedifficulttask.•Helooksasifhewasgoingtocry.•Thequestioniswhetherthefilmisworthseeing.表语从句1.--IdrovetoZhuHaifortheairshowlastweek.--Isthat___youhadafewdaysoff?A.whyB.whenC.whatD.where2.__shecouldn'tunderstandwas____fewerandfewerstudentsshowedtheirinterestinherlessons.A.what,whyB.That,whatC.what,becauseD.why,that3.Thereason___theirfailureyouknowis___theydidn'tgetfullypreparedfortheexperiment?A.why,thatB.that,whyC.for,thatD.why,become4.Goandgetyourcoat.It's___youleftit.A.thereB.whereC.therewhereD.wherethere5.Thatis___Iwasbornandgrewup?A.thereB.inwhichC.whereD.theplace6.--Irangyouataboutten,buttherewasnoreply.--Oh,thatwasprobably__Iwasseeingthedoctor.A.whenB.whyC.whatD.that7.Airistous____wateristofish.A.thatB.whatC.whereD.howAistoBwhatCistoDA之于B犹如C之于D同位语从句：引导同位语从句的名词主要有fact,news,promise,idea,truth,hope,question,belief,suggestion,thought,order,problem,fear,doubt,etc.连接词用that(不能省)不用which，还用how,when,where,why,whether（不用if）etc.Eg:1.WheredidyougettheideathatIcouldnotcome?2.EarlyinthedaycamethenewsthatGermanyhaddeclaredwaronRussia.3.Ihavenoideawhetherhewillcomeornot.4.Thequestionwhoshoulddotheworkrequiresconsideration.5.Wehaven’tsettledthequestionwherewearegoingtospendoursummervacation.练习：1.Informationhasbeenputforward__moremiddleschoolgraduateswillbeadmittedintouniversities.A.whileB.thatC.whenD.as2.Tomleftwordwithmysecretary___hewouldcallagainintheafternoon.AwhoBthatCasDwhich3.Thereisafeelinginme___wewillneverknowwhataUFOis---notever.AthatBwhichCofwhichDwhat1.名词性从句考点1、引导词that与what；that与whether；if与whether；what与how等的区别；2、名词性从句的时态和语序问题；3、名词性从句的语气问题；4、同位语从句与定语从句的比较区别。1、名词性从句的引导词问题问题1：Greatchangeshavetakenplaceinthatsc