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名词从句与定语从句的主要区别1.成分上的区别：名词从句和定语从句分别在句中充当什么样的成分？1.Howtheprisonerescapedremainsamystery.2.Iwonderwhether/ifheisfitforthejob.3.Theproblemiswhowillbeequaltothetask.4.Hehadnoideawhetherwecouldovercomethepresentdifficultiesornot.主语宾语表语同位语5.IshallneverforgettheyearswhenIlivedinthecountrysidewiththefarmers,whichhasagreateffectonmylife.6.IntheofficeIneverseemtohavetimeuntilafter5:30pm.,bywhichtimemanypeoplehavegonehome.7.IhadneverseensuchagoodfilmasIwatchedlastnight.易错易混点：1.____weallknow,smokingisharmfultoourhealth.注意区分：区分下列句型2.___isknowntousthatsmokingisharmfultoourhealth.3.____isknowntousis____smokingisharmfultoourhealthA.AsB.ItC.WhatD.that主语从句：含形式主语it主语从句表语从句非限制性定语从句BACD结论一：名词从句充当句子的主要成分；定语从句充当句子的修饰成分。1.WhenIarrived,Bryantookmetoseethehouse___Iwouldbestaying.A.whatB.whenC.whereD.which2.____IwanttotellyouisthedeeploveandrespectIhaveformyparents.A.ThatB.WhichC.WhetherD.WhatCD真题热身：1.______struckmemostinthemoviewasthefather’sdeeploveforhisson.A.ThatB.ItC.WhatD.Which2.Itstruckmemostinthemovie_____thefatherhasdeeploveforhisson.A.thatB.itC.whatD.which3.Theonlything____struckmeinthemoviewasthefather’sdeeploveforhisson.A.thatB.itC.whatD.which真题热身：CAA2.引导词含义上的区别：引导词是否指向句中的某个成分？1.Thathecamebackmadeusveryhappy.2.I’msorry(that)I’vemadeamistake.3.Thefactisthathisbarkisworsethanhisbite.4.Wordcamethathewouldcometoseeusall.5.Hemadeanotherwonderfuldiscovery,whichIthinkisofgreatimportancetoscience.6.TheOscarisoneofthefilmprizesthathavenotbeenofferedtoanyChineseactororactressbyfar．7.1980,whenChinesegovernmentbeganitsreform,isanimportantyearforChina.结论二：定语从句的引导词在语义上具有指代先行词的作用。名词从句的引导词不具备此功能。1.Finallyhereachedalonelyisland______wascompletelycutofffromtheoutsideworld.2.Finallyhereached____wasalonelyisland.3.Finallyhearrived______wascompletelycutofffromtheoutsideworld.A.whatB.whereC.whichD.inwhichCA真题热身：B3.关于that:that在名词从句和定语从句中各起什么作用？1.Hepretended(that)hedidn’tseeme.2.Thatshelosthernecklaceonthewayhomemadehersoworried.3.Thereasonforhisbeinglateisthatheoverslept.问题：that作何成分？4.Theschoolthatmysisterstudiesatisfarfromhere.5.Thefirstrequestthathemadewastoaskforfreedom.6.Isthisthehousethatyouhaveboughtyourself?(which)(which)问题：that作何成分？(which)结论三：名词从句中的that只起引导词的作用，无任何意义。（宾语从句中可省略）定语从句中的that在从句中充当主语或宾语，有时可以与which互换。（充当宾语时可省略）1.Expertsbelieve______peoplecanwastelessfoodbyshoppingonlywhenitisnecessary.2.Expertsbelieveinthosethings_____havesoundandscientificevidence.A.whyB.whereC.thatD.whatCC真题热身：4.引导词的不同：不会出现在名词从句中的关系词：不会出现在定语从句中的关系词：且when,where等不能与in/on/atwhich互换。whether,if,what,howas,1.Hetoldmetheway____solvedmyproblem.A.inwhichB./C.howD.which2.Theway____hesolvedtheproblemisquiteuseful.A.whatB./C.howD.which3.Thelasttimewehadgreatfunwas___wewerevisitingtheWaterPark.A.whereB.atwhichC.whenD.why真题热身：DBC5.定从与表从表原因时的区别:定从中:先行词是reason时,从句不缺成分用why;缺成分用that,which或不填.表从中：主语是reason时，用that。主语不是reason时,表结果用why,表原因用because.1.Fromspace,theearthlooksblue.Thisis____aboutseventy-onepercentofitssurfaceiscoveredbywater.2.Seventy-onepercentoftheearth’ssurfaceiscoveredbywater.Thisis____itlooksbluefromthespace.3.Thereason___heresignedis___hewanttohaveachange.A.whyB.howC.becauseD.that真题热身：CAAD5、名词从句与定语从句的一些对应关系：1.Hehasdonewhathecantohelpme.--Hehasdone________hecantohelpme.2.WhatIwanttosayhasnothingtodowithit.--________Iwanttosayhasnothingtodowithit.allthatAllthat3.Whoeverbreaksthelawistobepunished._______________breaksthelawistobepunished.4.Hewillgivethedictionarytowhoeverneedsitmost.Hewillgivethedictionaryto___________needsitmost.5.We’llrememberwhomeverweturnedtoforhelp.We’llremember_______________weturnedtoforhelp.6.Theywilldowhateverhewantsthemtodo.Theywilldo______________hewantsthemtodo.7.I’llreadwhicheverbookyougiveme.I’llread____ofthebooks_____yougiveme.Anyonewhoanyonewhoanyone(whom)anythingthatanythatExercises:1.There’safeelinginme____we’llneverknowwhataUFOis—notever.A.thatB.whichC.ofwhichD.what.2.Isthisthehospital_____heworkedtenyearsago?A.thatB.whereC.whichD.theone3.Astorygoes___ElizabethIofEnglandlikednothingmorethanbeingsurroundedbycleverandqualifiednoblemen.A.whenB.whichC.whatD.that4.Hissuccesswasbecauseof___hehadbeenworkinghard.A.thatB.thefactwhichC.thefactthatD.thefact5.Iworkinabusiness___almosteveryoneiswaitingforagreatchance.A.howB.whichC.whereD.that6.Tomcametotheconclusion___byacomputer.A.thatnotallthingscanbedone.B.becauseofnotallthingsbedone.C.beingnotallthingscanbedoneD.becausenotallthingscanbedone7.Wearelivinginanage____manythingsaredoneoncomputer.A.whichB.that.C.whoseD.when