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1TheAttributiveClause在复合句中，修饰某一名词或代词的从句叫定语从句。定语从句中被修饰的名词或代词叫“先行词”，它往往放在定语从句之前。引导定语从句的词叫关系词。关系词分为关系代词（that,which,who,whom,whose）和关系副词（where,when,why）.e.g;(1)ThestorythatIreadjustnowisencouraging.(2)Ihaveafriendwholikeslisteningtoclassicalmusic.1.由关系代词引导的定语从句。（1）that既可指人也可指物，在从句中作主语或宾语。e.g;Thegirlthatwearsapairofsunglassesissomodern.Let’askthemanthatisreadingthebookoverthere.Iwillneverforgetthedaysthatwespenttogetherlastyear.ShelikestheflowersthatIboughtforheryesterday.(2)which只能指物；可作主语或宾语。e.g:Thetresswhichtheyplanteddidn’tneedmuchwater.ThatisthemachinewhichyourDadsentme.(3).Who在从句中可作主语或宾语；whom只能作宾语。e.g:TheforeignerwhovisitedourschoolyesterdayisfromCanada.Idon’tknowthemanwho/whomyoutalkedtojustnow.TheboywhobrokethewindowiscalledMichael.(4).whose在从句中作定语。e.g:TheboywhoseparentswerekilledintheearthquakeisstudyinginBeijing.I’dliketoliveinthehousewhosewindowsfacetotheSouth.2.由关系副词引导的定语从句——关系副词在从句中作状语。e.g.IstillrememberthedaywhenIfirstcametoBeijing.We’llneverforgetthehappytimewhenweworkedonthefarm.Thisisthehousewherewelivedlastyear.Thefactorywherehisfatherworksisinthecenterofthecity.Therearefewreasonswhywecan’tdothat.Hecouldn’tgivetheteacheragoodreasonwhyhewasabsentyesterday3.非.限制性定语从句John,whospeaksSpanish,worksthere.4.介词加which/whom相当于一关系副词5．ofwhich/whom相当于whose.注（1）关系代词在从句中作宾语时可省略。（2）限制性定语从句中只能用that的情况：1）当先行词是不定代词all,much,little,something,everything,anything,nothing,none,theone时。e.g:Doyouhaveanythingthatyouwanttosayforyourself?Youshouldhandinallthatyouhave.ThepolicecaughttheonethatsetfireonthebusinChengdu.2)当先行词被theonly,thevery,any,few,little,no,all等词修饰时。e.g:Thereislittlemeatinthefridgethatwecanuse.today2ThisistheverypersonthatI’mwaitingfor.Theonlythingthatwecandoistogiveyousomemoney.3)当先行词是形容词最高级或被形容词最高级修饰时。e.g:Thisisthebestthathasbeenusedagainstpollution.ThisisthemostinterestingfilmthatI’veeverseen.Heisthebestmanthatcanfinishthework.4)当先行词是序数词或被序数词修饰时。e.g:ThistrainisthelastthatwillgotoSuzhou.WhatisthefirstAmericanfilmthatyouhaveseen.?5)当先行词既有人又有物时。e.g:Doyouknowthethingsandpersonsthattheyaretalking?(3)定语从句中只能用which的情况：1）在非限制性定语从句中。e.g.Helenwasmuchkindertoheryoungestsonthantotheothers,which,ofcourse,madetheothersenvyhim.2)当动词短语中的介词提前时。e.g.ThisisthehouseinwhichLuXunoncelived.Theathletetowhomyoutalkedisafamousrunner.(4)定语从句中的特殊情况。1）由关系代词as引导的。As既可引导限制性定语从句也可引导非限制性定语从句，在从句中作主语，宾语或表语。Such+n.+as…..像。。。。。一样的，像。。。。之类的Thesame+n.+as…和。。。同样的e.g.Wehavefoundsuchmaterialasareusedintheirfactory.Thesehousesaresoldatsuchalowpriceaspeopleexpected.Heisnotthesamemanashewas.2）as/which代指前面整个句子时：e.g.Hewaslateforclass,whichmadetheteacherveryangry.Liuxianggotthefirstplaceinthiscompetition,whichmadehimverypopular.Hismotheraskedhimtostudyhardagainandagain,whichdidn’thelp.Knowledgeispower,asFrancisBaconwrotein1597.Asisknowntoeverybody,themoontravelsroundtheearthonceeverymonth.Themoontravelsroundtheearthonceeverymonth,as/whichisknowntoeverybody.Itisknowntoeverybodythatthemoontravelsroundtheearthonceeverymonth.Whatisknowntoeverybodyisthatthemoontravelsroundtheearthonceeverymonth.（1）As引导的非限制性定语从句位置很灵活可位于句首、句中或句末，而which引导的不能。位于句首（2）as常常译为“正如，好象”，而which则无。e.g.__________isreportedinthenewspapers,talksbetweenthetwocountriesaremakingprogress.A.ItB.AsC.ThatD.What3)当先行词是way意为“方式、方法”时：3Whatsurprisedmewasnotwhathesaidbutthewayinwhich/thathesaidit.Thewaythatwhich/heexplainedtouswasquitesimple.4)where的特殊情况。Themediacanhelpsolveproblemsanddrawattentiontosituationswherehelpisneeded.Theaccidenthadreachedtoapointwhereboththeirparentsaretobecalledin.Icanthinkofmanycases_____studentsobviouslyknewalotofEnglishwordsandexpressionsbutcouldn’twriteagoodessay.A.whyB.whichC.asD.where定语从句练习（附答案）1.weshouldn’tspentourmoneytestingsomanypeople,mostof_______arehealthy.A.thatB.whichC.whatD.whom2.Somepre-schoolchildrengotoadaycarecenter,________theylearnsimplegamesandsongs.A.thenB.thereC.whileD.where3.Theycanfindwhatevertheyneedinthesupermarket,________isalwaysbusyonSundays.A.whichB.whenC.whereD.who4.Thereissuchaproblem_______weallshould_______.A.as;payattentiontoitB.that;attractourattentionC.as;payattentiontoD.that;attractourattentiontoit5.”I’dliketogivemythankstothose________helpmysonwillbeabletosurvivehisterribledisease,”saidthewomanonTV.A.whoB.thatC.withwhoseD.withtheir6.TheCCTVTower,________baseisanelectricalequipmentshop,isfrequentlyvisitedbytravelers.A.whichB.whoseC.itsD.that7.Therearetworoomsonthefirstfloor,_______isusedasaguestroom.A.asmallerofwhichB.asmallerofthemC.thesmallerofwhichD.thesmallerofthem8.Aftergraduationshereachedapointinhercareer_______sheneededtodecidewhattodo.A.thatB.whatC.whichD.where9.Hismoviewonseveralawardsatthefilmfestival,________wasbeyondhiswildestdream.A.whichB.thatC.whereD.it10.Iwasgiventhreebooksoncooking,thefirst_______Ireallyenjoyed.A.ofthatB.ofwhichC.thatD.which11.ThisisMr.White,_______Ithinkhassomethinginterestingtotellyou.A.whichB.whomC.thatD.who12.Manypeoplewhohadseenthefilmwereafraidtogototheforestwhentheyrememberedthescenes________peoplewereeatenbythetiger.A.inwhichB.bywhichC.whichD.that13.Today,we’lldiscussanumberofcases_________beg