where、when、why定语从句ppt课件.ppt

《where、when、why定语从句ppt课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Theboy__________isstandingunderthetreeismyfriendTom.Helivesinahouse___________standsonahill.Thatlittlegirl________________TomoftenhelpsishissisterMary.Thebird_________issinginginthecageisTom’stoo.Bobishisdog__________TomandMaryoftenplaywith.Thedogisgreat.Yesterdayhecaughtathief___________r

2、unningaway.Exercise2:用who/whom/which/that填空who/thatwhich/thatwho/whom/thatwhich/thatwhich/thatwho/that1.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。where、when、why引导的定语从句Theroomiscomfortable(舒适).Iliveintheroom.TheroomwhereIliveiscomfortablewhich关系词

3、where代替地点，相当于“介词+which”，在从句中充当状语。in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。(that∕which)where补充：1、当先行词为point,situation,case,sta

4、ge等表示模糊的地点时，定语从句的引导词也可用where.Icanthinkofmanycaseswherethestudentsknowalotofwordsbutcouldn’twriteagoodessay.2、当先行词为way时，定语从句用that/inwhich/不填引导。Idon’tlikethewaythat∕inwhich∕不填youtreather.Iwillneverforgetthetime.Weworkedonthefarmduringthattime.Iwillneverforgetthetimewhenweworkedonthefarm.dur

5、ingwhich关系词when代替时间，相当于“介词+which”，在从句中充当时间状语。Oct.1,1949isthedaywhen∕onwhichthePRCwasfounded.Oct.1,1949istheday.ThePRCwasfoundedontheday.对比：1、Doyourememberthedayswespenttogether?Doyourememberthedays?Wespentthedaystogether.（作宾语）2、Doyourememberthedaysweworkedtogether?Doyourememberthedays?Wewo

6、rkedduringthedaystogether?（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。(that∕which)whenThisisthereason.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。对比：1、Iknowthereasonhegaveyou.Iknowthereason.Hegaveyouthereason.（作宾语）2、Iknowth

7、ereasonyoufailed.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。(that∕which)why关系副词的用法关系副词指代先行词是在从句中充当的成分when(=at/in/on/duringwhich)where(=in/atwhich)why(=forwhich)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。3.Ican