where、when、-why定语从句PPT课件

.,1,Theboy_isstandingunderthetreeismyfriendTom.Helivesinahouse_standsonahill.Thatlittlegirl_TomoftenhelpsishissisterMary.Thebird_issinginginthecageisTomstoo.Bobishisdog_TomandMaryoftenplaywith.Thedogisgreat.Yesterdayhecaughtathief_runningaway.,Exercise2:用who/whom/which/that填空,who/that,which/that,who/whom/that,which/that,which/that,who/that,.,2,1.引导定语从句。2.代替先行词。3.在定语从句中担当一个成分。,关系词的三个作用:,确定关系代词的步骤1.先找先行词，2.看先行词指的是人还是物。3.看关系词在从句中充当的成分。,.,3,where、when、why引导的定语从句,.,4,Theroomiscomfortable(舒适).Iliveintheroom.,TheroomwhereIliveiscomfortable,which,关系词,where代替地点，相当于“介词+which”，在从句中充当状语。,in,.,5,对比：1、Thisisthefarmwevisitedlastweek.Thisisthefarm.Wevisitedthefarmlastweek.（作宾语）2、Thisisthefarmweworkedlastweek.Thisisthefarm.Weworkedonthefarmlastweek.（作状语）解题关键：看引导词在从句中充当的成分：作主语或宾语用that/which；作状语用where。,(thatwhich),where,.,6,补充：1、当先行词为point,situation,case,stage等表示模糊的地点时，定语从句的引导词也可用where.,Icanthinkofmanycaseswherethestudentsknowalotofwordsbutcouldntwriteagoodessay.,2、当先行词为way时，定语从句用that/inwhich/不填引导。,Idontlikethewaythatinwhich不填youtreather.,.,7,Iwillneverforgetthetime.Weworkedonthefarmduringthattime.,Iwillneverforgetthetimewhenweworkedonthefarm.,duringwhich,关系词,when代替时间，相当于“介词+which”，在从句中充当时间状语。,.,8,Oct.1,1949isthedaywhenonwhichthePRCwasfounded.,Oct.1,1949istheday.ThePRCwasfoundedontheday.,.,9,对比：1、Doyourememberthedayswespenttogether?Doyourememberthedays?Wespentthedaystogether.（作宾语）2、Doyourememberthedaysweworkedtogether?Doyourememberthedays?Weworkedduringthedaystogether?（作状语）解题关键：看引导词在从句中充当的成分：作主语或宾语用that/which；作状语用when。,(thatwhich),when,.,10,Thisisthereason.Hewaslateforthereason.,Thisisthereasonwhyhewaslate.,forwhich,关系词,why代替reason(原因），相当于“for+which”，在从句中充当原因状语。,.,11,对比：1、Iknowthereasonhegaveyou.Iknowthereason.Hegaveyouthereason.（作宾语）2、Iknowthereasonyoufailed.Iknowthereason.Youfailedforthereason.（作状语）解题关键：看引导词在从句中充当的成分：作主语或宾语用that/which；作状语用why。,(thatwhich),why,.,12,关系副词的用法,时间,时间状语,地点,地点状语,原因,原因状语,关系副词引导定语从句时，既引导定语从句，又在定语从句中充当状语。,.,13,3.Icanstillrememberthesitting-room_mymotherandIusedtositintheevening.A.whatB.whichC.thatD.where,.,14,4.Ishallneverforgetthoseye