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AttributiveClause定语从句一、定义定语从句：修饰名词或代词的从句。换句话说，名词、代词后的从句叫定语从句。先行词：被定语从句修饰的名词、代词、甚至词组或句子叫先行词。关系词：引导定语从句的词叫关系词。1关系代词：在定语从句中担任主、宾、表、定语成分2关系副词：在定语从句中担任状语成分关系词3个功能：1.连接功能（连接先行词与定语从句）；2.担任功能（在定语从句中担任主、宾、表、定、状语）；3.替代功能（在定语从句中代替先行词）。关系代词在定语从句中充当主语的是：who,that,which,as宾语的是：who,whom,that,which,as定语的是：whose,which先行词是人时，关系代词是：who,whom,that,as先行词是物时，关系代词是：which,that,whose,as关系副词有：when(先行词为时间),where(先行词为地点),why(先行词为原因)关系副词=介词+which/whom定语从句分为两种：限制性与非限制性。先行词与关系词之间无逗号隔开为限制性；有逗号隔开则为非限制性，且一般由which引导。唯一可以置于先行词之前的定语从句由关系代词as引导。二、关系代词引导的定语从句1.who指人，在从句中做主语(1)TheboyswhoareplayingfootballarefromClassOne.(2)YesterdayIhelpedanoldmanwholosthisway.2.whom指人，在定语从句中充当宾语，常可省略。(1)Mr.Liuistheperson(whom)youtalkedaboutonthebus.(2)Mr.LingisjusttheboywhomIwanttosee.注意：关系代词whom在口语和非正式语体中常用who代替，可省略。(3)Themanwho/whomyoumetjustnowismyfriend.3.which指物，在定语从句中做主语或者宾语，做宾语时可省略(1)Footballisagamewhichislikedbymostboys.(2)Thisisthepen(which)heboughtyesterday.4.that指人时，相当于who或者whom；指物时，相当于which。在宾语从句中做主语或者宾语，做宾语时可省略。(5)Thenumberofthepeoplethat/whocometovisitthecityeachyearrisesonemillion.(6)Whereisthemanthat/whomIsawthismorning?5.whose通常指人，也可指物，在定语从句中做定语，有从属关系。(1)Hehasafriendwhosefatherisadoctor.(2)Ioncelivedinahousewhoseroofhasfallenin.whose指物时，常用以下结构来代替(3)Theclassroomwhosedoorisbrokenwillsoonberepaired.(4)Theclassroomthedoorofwhichisbrokenwillsoonberepaired.(5)Doyoulikethebookwhosecoverisyellow?(6)Doyoulikethebookthecolorofwhichisyellow?三、介词+关系代词引导的定语从句关系代词在定语从句中做介词宾语时，从句常由介词+关系代词引导(1)Theschool(that/which)heoncestudiedinisveryfamous.(2)Theschoolinwhichheoncestudiedisveryfamous.(3)TomorrowIwillbringhereamagazine(that/which)youaskedfor.(4)TomorrowIwillbringhereamagazineforwhichyouasked.(5)We’llgotohearthefamoussinger(whom/that/who)wehaveoftentalkedabout.(6)We’llgotohearthefamoussingeraboutwhomwehaveoftentalked.注意：1.含有介词的动词短语一般不拆开使用，如：lookfor,lookafter,takecareof等(1)Thisisthewatchwhich/thatIamlookingfor.(T)(2)ThisisthewatchforwhichIamlooking.(F)2.若介词放在关系代词前，关系代词指人时用whom，不可用who或者that；指物时用which，不能用that；关系代词是所有格时用whose(1)Themanwithwhomyoutalkedismyfriend.(T)(2)Themanwho/thatyoutalkedwithismyfriend.(F)(3)TheplaneinwhichweflewtoCanadaisverycomfortable.(T)(4)TheplaneinthatweflewintoCanadaisverycomfortable.(F)3.“介词+关系代词”前可有some,any,none,both,all,neither,most,each,few等代词或者数词(1)Helovedhisparentsdeeply,bothofwhomareverykindtohim.(2)Inthebaskettherearequitemanyapples,someofwhichhavegonebad.(3)Therearefortystudentsinourclassinall,mostofwhomarefrombigcities.四、关系副词引导的定语从句1.when指时间，在定语从句中做时间状语(1)IstillrememberthedaywhenIfirstcametotheschool.(2)Thetimewhenwegottogetherfinallycame.2.where指地点，在定语从句中做地点状语(1)ShanghaiisthecitywhereIwasborn.(2)ThehousewhereIlivedtenyearsagohasbeenpulleddown.3.why指原因，在定语从句中做原因状语(1)Pleasetellmethereasonwhyyoumissedtheplane.(2)Idon’tknowthereasonwhyhelooksunhappytoday.注意：关系副词引导的从句可以由“介词+关系代词”引导的从句替换(1)Thereasonwhy/forwhichherefusedtheinvitationisnotclear,(2)Fromtheyearwhen/inwhichhewasgoingtoschoolhebegantoknowwhathewantedwhenhegrewup.(3)Greatchangeshavetakenplaceinthecityinwhich/whereIwasborn.难点分析（一）只能用that不用which1．当先行词是anything,everything,nothing(something除外),few,all,none,little,some等代词时，或者是由every,any,all,some,no,little,few,much等修饰时(1)HaveyoutakendowneverythingthatMr.Lihassaid?(2)Thereseemstobenothingthatseemsimpossibleforhimintheworld.(3)Allthatcanbedonehasbeendone.(4)ThereislittlethatIcandoforyou.注意：当先行词指人时，偶尔也可以用who(4)Anymanthat/whohasasenseofdutywon’tdosuchathing.2.当先行词被序数词修饰(1)ThefirstplacethattheyvisitedinLondonwastheBigBen.3.当先行词被形容词最高级修饰时(1)ThisisthebestfilmthatIhaveseen.4.当形容词被thevery,theonly,thelast修饰时(1)ThisistheverydictionarythatIwanttobuy,(2)Afterthefireinhishouse,theoldcaristheonlythingthatheowned.当先行词指人时，偶尔也可以用who(3)WangHuaistheonlypersoninourschoolwhowillattendthemeeting.5.当先行词前面有who,which等疑问代词时(1)Whoisthemanthatisstandingthere?(2)WhichistheT-shirtthatfitsmemost?6.当先行词既有人，也有动物或者物体时(1)Canyourememberthescientistandhistheorythatwehavelearned?只能用which,who,whom不用that1.关系代词直接放在介词后面时，要用which，不用that；要用whom，不用who。2.引导非限制性定语从句时，要用which,who,whom,不用that，也不能省略。（二）关系代词as和which引导的定语从句as和which引导非限制性定语从句，有相同之处也有不同之处。具体情况是：1．as和which都可以在定语从句中做主语或者宾语，代表前面整个句子。(1)Hemarriedher,as/whichwasnatural.(2)Hewashonest,as/whichwecansee.2.as引导非限制性定语从句，可放在主句之前，或者主句之后，甚至可以切割一个主句；which引导的非限制性定语从句只能放在主句之后。另外，as有“正如……，正像……”的意思(1)Asisknowntoall,Chinaisadevelopingcountry.(2)Heisfromthesouth,aswecanseefromhisaccent.(3)John,asyouknow,isafamouswriter.(4)HehasbeentoParismorethanseveraltimes,whichIdon’tbelieve.注意：当主句和从句存在逻辑上的因果关系时，常用which(5)Tomwasalwayslateforschool,whichmadehisteacherangry.3.当先行次由such,thesame修饰时，常用as(1)Ihaveneverheardsuchastoryashetells.(2)Heisnotsuchafoolashelooks.(3)ThisisthesamebookasIlostlastweek.注意：当先行次由thesame修饰时，偶尔也用that引导定语从句，但是和由as所引导的定语从句意思不同(4)SheworethesamedressthatsheworeatMary’swedding.她穿着她在Mary婚礼上穿过的一条裙子。(5)Sheworethesamedressasheryoungsisterwore.她穿着和她妹妹所穿的一样的裙子。（三）以theway为先行词的定语从句通常由inwhich,that引导，而且通常可以省略。(1)Thewayinwhich/that/./heansweredthequestionwassurprising.（四）but有时也可以做关系词引导定语从句(1)Thereareveryfewbutunderstandhisidea.(but=whodon’t)（五