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1.Hehastwosonswhoworkinthesamecompany.2.Hehastwosons,whoworkinthesamecompany.限制性，起到修饰限定的作用。非限制性，起到补充说明的作用。（一）根据从句和先行词的关系（二）根据引导词的不同1.关系代词which,that,who,whom,whose,as2.关系副词when,where,why3.介词+关系代词定语从句的分类引导词先行词（物）先行词（人）定语地点状语时间状语原因状语主宾主宾关系代词关系副词whichthatwhowhomwhosewherewhenwhy√√√√√√√√√√√√√BasicStructure1.Theboy____brokethewindowiscalledTom.2.Themoney____________mymothergavemeyesterdayhasbeenstolen.3.Shanghaiisnolongerthecity______itusedtobe.4.Theboy_______parentsaredeadisbroughtupbyhisgrandfather.5.DoyouknowTom,______wetalkedaboutjustnow.6.Hehaspassedthecollegeentranceexamination,_____makeshisparentsquitehappy.whowhose(which/that)whichwhomthat1关系代词引导的定语从句定语从句缺主，宾，表，定某一成分几点注意事项1.that与which1）用that不用which①先行词有人有物时②先行词是不定代词或被不定代词修饰(all,little,much,few,everything,anything,nothing,none等)③先行词被序数词、最高级修饰④先行词被thevery,theonly,theright等修饰⑤关系词在从句中做表语Themountainvillageisnottheplacethatitusedtobe.⑥当主句是以which/who开头的特殊疑问句时2)用which而不用that的情况：①引导非限制性定语从句。②代表整个主句的意思。③介词＋关系代词。Hehadfailedinthemathsexam,whichmadehisfatherveryangry.Thisistheroominwhichmyfatherlivedlastyear.1.Istillremembertheday______Icamehere.2.Thisisthehouse______Ilivedlastyear.3.Thosesuccessfuldeafdancersthinkthatdancingisanactivity______sightmattersmorethanhearing.4.Ihadtoldthemthereason____Ididn’tattendthemeeting.关系副词引导的定语从句whenwherewhy1.先行词是表示时间、地点、原因的名词2.定语从句中缺少状语where2关系副词引导的定语从句1.Thelibrary________studentsoftenstudywasonfirelastnight.2.Thelibrary________youvisitedyesterdaywasbuiltin1990.wherewhich/that定语从句中，先行词是时间、地点、原因的名词时,关系代词和关系副词如何确定？看定语从句中缺少什么成分，可把先行词放到从句中检验。3.I’llneverforgettheday__________wefirstmetinthepark.4.I’llneverforgetthetime__________Ispentoncampus.5.Thisisthereason_________Ididn’tcomehere.6.Thereason__________shegavewasnottrue.whenwhich/that小试身手注意:关键看从句缺少什么成分whythat/which定语从句的引导词的确定可以概括为：“三找两定一证”。“三找”：找先行词→找定语从句→找定语从句的谓语动词；“两定”：判定先行词与从句谓语动词的关系→确定关系代词或关系副词(兼顾人/物)。“一证”：把定语从句还原成独立的句子，验证其句子结构的完整性。2.ThisisthehousewhereIlivedlastyear.=ThisisthehouseinwhichIlivedlastyear.3.Therearemanyreasonswhypeopleliketraveling.=Therearemanyreasonsforwhichpeopleliketraveling.1.IstillrememberthedaywhenIcamehere.=IstillrememberthedayonwhichIcamehere.3关系副词与介词＋关系代词的关系？1.Doyoulikethebook____________shepaid$10？2.Thereisatalltreeoutside,__________standsourteacher.3.Hepaidtheboy$10forwashingtenwindows,most________hadn’tbeencleanedforatleastayear.4.Theman_____________Ispokeonthephonelastnightisverygoodatwrestling.underwhichforwhichofwhichExercises:towhom在关系代词前需要介词的定语从句中，介词的选用分为三种情况：与先行词搭配；与从句谓语动词搭配；语义搭配。最好遵循“还原搭配”检验，即把定语从句还原成单独的一个句子，然后把先行词放在句末，再考虑在先行词前选用符合句意，搭配正确的介词。(一)ofwhich/whom的用法2.Thecommitteeconsistsof20members,most_________arewomen.1.Thisisthehousewhosewindowbrokelastnight.=thisisthehouse,thewindow___________brokelastnight.=thisisthehouse,__________thewindowbrokelastnight.ofwhichCofwhomofwhich练习：Therearetwobuildingsonthebeach,______thesmallerservesasahotel.A.OfthemB.whoseC.ofwhichD.ofwhom4疑难点突破？Whose+n.→the+n.+ofwhich或ofwhich+the+n.(二)定语从句中的主谓一致TheGreatWallisoneoftheworld-famousbuildingsthat______(draw)lotsofvisitors.TheGreatWallistheonlyoneofthebuildingsontheearththat____(be)seenfromthemoon.drawis关系代词在定语从句中作主语时，从句中谓语动词的单复数与先行词保持一致。关键要找准先行词。Theway__________heexplainedtouswasquitesimple.Theway____________heexplainedthesentencetouswasnotdifficulttounderstand.(三)theway作先行词时，定语从句的情况Comparethefollowingtwosentences:(which/that)(inwhich/that)练习:Whatsurprisedmewasnotwhathesaidbut_____hesaidit.A.thewayB.inthewaythatC.inthewayD.thewaywhichA课堂检测Exercises:1.Heisnottheman_______heusedtobe.A.whatB.thatC.whichD.as2.It’shelpfultoputchildreninasituation_____theycanseethemselvesdifferently.A.thatB.whenC.whichD.where3.Hewaseducatedatthelocalhighschool,_____hewentontoBeijingUniversity.A.afterwhichB.afterthatC.inwhichD.inthatBDA4.Hiswalking-stick,_______hecan’twalk,waslostyesterday.A.thatB.withwhichC.whichD.withoutwhich5.Lookout!Don’tgettooclosetothehouse____theroofisunderrepair.A.whoseB.whichC.ofwhichD.that6.WheneverImether,_____wasfairlyoften,shegreetedmewithasweetsmile.A.whoB.whichC.whenD.thatDAB7.Idon’tliketheway_____hespoketome.A.bythatB.whatC.bywhichD./8._____wasmostimportanttoher,shetoldme,washerfamily.A.ItB.ThisC.WhatD.AsDC9.Therearethreelibrariesinourschool,_____werebuiltfiveyearsago.A.allofthemB.eitherofthemC.allofwhichD.bothofthat10.(2000上海)RecentlyIboughtanancientChinesevase,___wasveryreasonable.A.WhichpriceB.thepriceofwhichC.itspriceD.thepriceofwhoseThankyou