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1、语法活用which和as引导非限制性定语从句的区别which和as引导非限制性定语从句的区别熟读深思朗读以下各句,注意划线部分,并思考：△which和as引导的非限制性定语从句有何区别？（位置，含义）Asisknowntousall,theearthmovesroundthesun.众所周知,地球是围绕太阳运动的.2.David,asyouknow,isaphotographer.戴维是个摄影师,如你所知。(不可用which)3.LiMingislate,asisoftenthecase.李明迟到了,这是经常发生的。(可用which)4.LiM
2、ingwaslate,which(=andthis)madeMr.Zhangveryangry.李明迟到了,这使张先生非常生气。(不可用as)5.Hemarriedher,whichwasunexpected.他和她结婚了,这是出乎意料的。(不可用as)主语宾语主语主语主语主句前主句中主句后主句后主句后相同之处：当先行词指整个主句的意思时,这类非限制性___________只能由_________或________来引导。两者的区别在于：which引导的定语从句只能位于_______,而as引导的定语从句可位于________________。
3、（位置）2.______常译作“这”;而____常译作“正如”,且多与see,expect,imagine,know,hope等动词连用。（含义）3.在定语从句中作主语时,若用_____,其谓语部分一般有be;若谓语是不含be的行为动词时,要用________。4.________引导的定语从句只表示一个众所周知或意料之中的事,而which不受此限制。5.as常用于固定搭配中:asisoftenthecase(这是常有的事),asweexpected(不出所料);asoftenhappens(正如经常发生的那样)；asisknowntoall(
4、众所周知);ashasbeensaidbefore(正如以前所说);asismentionedabove(正如上面所提到的)等。归纳总结主句后主句前、中、后whichasaswhichas定语从句whichas灵活运用:《名师》P219一、单句填空用which或as填空灵活运用:《名师》P219一、单句填空用which或as填空Aftergraduatingfromcollege,Itooksometimeofftogotraveling,_____turnedouttobeawisedecision.2.Ilookedintotheireye
5、s,Ifoundtheydidn’tcare,______toldmeitwouldbeuseless,butwhenIlookedintoyours,Isawkindness.3.Jimpassedthedrivingtest,______surprisedeverybodyintheoffice.whichwhichwhich灵活运用:《名师》P219一、单句填空用which或as填空4.___isoftenthecase,wehaveworkedouttheproductionplan.5.___ismentionedabove,pape
6、risfirstmadeinChina.7.___isreportedinthenewspapers,talksbetweenthetwocountriesaremakingprogress.10.___isknowntoall,themoontravelsroundtheearthonceeverymonth.AsAsAsAs灵活运用:《名师》P219一、单句填空用which或as填空6.Helenwasmuchkindertoheryoungestsonthantotheothers,_____,ofcourse,madetheothers
7、envyhim.8.Theresultoftheexperimentwasverygood,______wehadn’texpect.9.Theweatherturnedouttobeverygood,______wasmorethanwecouldexpect.whichwhichwhich灵活运用:《名师》P219三、写作运用1.我有一个同学叫Kate,她的妈妈是我以前的英语老师；IhaveaclassmatecalledKate,_______________________________________________2.Kate是一
8、个容易相处的人,我们都喜欢她；Kateisagirl__________________________________andwealllikeher
