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定语从句when在定语从句中作时间状语，相当于“介词+关系代词（which）”。I’llneverforgetthedaywhenIjoinedtheleague.onwhichwhere在定语从句中作地点状语，相当于“介词+关系代词（which）”。ThisisthehousewhereIlivedtwoyearsago.inwhich==why在定语从句中作原因状语，相当于“介词for+关系代词（which）”。Doyouknowthereasonwhyshewaslate.forwhich=关系副词和先行词的关系IstillrememberthedaywhenIcamehere.ThisisthehousewhereIlivedlastyear.Therearemanyreasonswhypeopleliketraveling.Idon’tlikethewaythatyouspeak.ontheday=wheninthehouse=whereforthereasons=whyintheway=that关系副词实际上是介词＋先行词Where引导的定语从句先行词是表示地点的名词或含有地点意义的抽象名词，用where引导定语从句。Thisisthetownwhere(=inwhich)Ispentmychildhood.Thetablewhere(=atwhich)sheissittingisanewone.注意1若定语从句缺主语或宾语，用which或that引导定语从句。Thelibrary________studentsoftenstudywasonfirelastnight.Thelibrary,_______wasbuiltinthe1930s,needsrepairing.Thelibrary____________youvisitedyesterdaywasbuiltin1990.wherewhich(which/that)注意2区分where引导的定语从句和状语从句Where前面有被修饰的地点名词时，是定语从句，否则是状语从句。Whenyoureadbooks,youhadbettermakeamarkatthespotwhereyouhaveanyquestions.Whenyoureadbooks,youhadbettermakeamarkwhereyouhaveanyquestions.When引导的定语从句。先行词是表示时间的名词，用when引导定语从句。When在从句作状语。I’llneverforgetthedaywhen(=onwhich)Imetyou.Thiswasthetimewhen(=atwhich)heleftforBeijing.Wewillputofftheoutinguntilnextweek,whenwewon’tbebusy.注意：若定语从句缺主语或宾语，用which或that引导定语从句。I’llneverforgettheday_________wefirstmetinthepark.I’llneverforgetthetime_________Ispentoncampus.I’llneverforgetthetime__________wasspentwithyou.when(which\that)which\thatwhy引导的定语从句。先行词是表示原因的名词，用why引导定语从句。Why在从句中作状语。Thisisthereasonwhy(=forwhich)Ididn’tcomehere.但是也要注意：不是每句都能这样。Thereason__________shegavewasnottrue.(which\that)whose引导的定语从句。表示所属关系。Theriver_________banksarecoveredwithtreesflowsintothesea.whoseThereare20studentsinthisclass,______aredifferent.A.whosebackgroundsB.thebackgroundsofwhomC.ofwhomthebackgroundsD.thebackgroundsofwhoseAs引导限制性定语从句时，先行词常有such和thesame修饰，as在从句中不省略。as也常修饰整个句子，可放在句末，甚至句中或句首。Forexample:HehasboughtthesametypeofbikeasIhave.SuchteachersasknowTomthinkhimbrightAsweknow,Chinaisadevelopingcountry.He,asweexpected,cametothepartyontime.1.I’llneverforgetthedays______________weworkedtogether.2.I’llneverforgetthedays___________wespenttogether.3.IwenttotheplaceIworkedtenyearsago.4.Iwenttotheplace_____________Ivisitedtenyearsago.5.Thisisthereason_____________________hewaslate.6.Thisisthereason_____________________hegave.when/inwhichwhichwhere/inwhichwhichwhy/forwhichthat/which几种易混的情况及物动词及物动词及物动词非限制性定语从句ThetownwhereIliveisbeautiful.Kenli,whereIlive,isbeautiful.Teacherswhoarekindarepopularwiththestudents.MrWang,whoiskind,ispopularwiththestudents.Pleasecompare:形式作用能否省略翻译限制性定语从句非限制性定语从句非限制性定语从句ThetownwhereIliveisbeautiful.Kenli,whereIlive,isbeautiful.Teacherswhoarekindarepopularwiththestudents.MrWang,whoiskind,ispopularwiththestudents.Pleasecompare:形式作用翻译限制性定语从句非限制性定语从句插入成分修饰限定补充解释能不能….的能否省略非限制性定语从句和单句的比较2.Hefailedintheexam._______madehisparentsangry.3.Hefailedintheexam,_______madehisparentsangry.4.Hehastwosons.Bothof________areteachers.5.Hehastwosons,bothof________areteachers.Thiswhichwhomthem×that1.IamreadingHarryPorter,_____isaninterestingbook.whichas引导的非限制性定语从句Theearthisround._____isknowntoall.Theearthisround,_________isknowntoall._____isknowntoall,theearthisround______isknowntoallthattheearthisround.Itwhich/asAsItas具有正如之意，与之搭配的动词一般是固定的，如：asyouknow/asyousee/asweplanned/asweexpected定语从句在句首时只能用as,as引导的限制性定语从句(1)ThisisthesamepenasIlost.ThisisthesamepenthatIlost.Pleasecompare:这本书和我丢的那本一模一样。这本书就是我丢的那本。as引导的限制性定语从句(2)Thisissuchaninterestingbook____wealllike.Thisissointerestingabook_____wealllike.Thisissuchaninterestingbook____wealllikeit.Thisissointerestingabook____wealllikeit.asthatPleasecompletethefollowingsentencesandcompare:asthat这是大家都喜欢的如此有趣的一本书。(定语从句)这本书如此有趣，大家都喜欢。(结果状语从句)＊关系代词前介词的确定1.根据从句中动词与先行词的逻辑关系，请体会：e.g.Isthatthenewspaperforwhichyouoftenwritearticles?2.根据从句中动词或形容词的习惯搭配，如：e.g.CanyouexplaintomehowtousetheseidiomsaboutwhichI’msure.WritearticlesforthenewspaperBesureabouttheidioms3.根据先行词与介词的搭配习惯，请体会：e.g.1949wastheyearinwhichtheP.R.C.wasfounded.BefoundedintheyearExercises1.Theperson_________Ispokejustnowisthemanager.2.Thepencil_____________hewaswritingwasbroken.3.Atthetopofthemountainthereisasmallhouse,________wecanseethebeautifulscenery.4.Wereadnewspaperseveryday,___________wecanlearnalotofnews.5.Someonehastakenawaymyglasses______________Ican’tseeanything.6.Who’stheman_____________youshookhandsjustnow?towhomwithwhichinwhichfromwhichwithoutwhichwithwhom介词+关系代词的情况1Themanwhomyouspokewasascientist.Thecitywhichshelivesisfaraway.toin介词+关系代词的情况2Themanwho/whomyouspokewasascientist.Thecitythat/whichshelivesisfaraway.toinArethesetwosentencesright?介词+关系代词的情况3Themanwho/whomyouspokewasascientist.Thecitythat/whichshelivesisfaraway.toinArethesetwosentencesright?介词+关系代词的情况3Themanwho/whomyouspokewasascientist.Thecitythat/whichshelivesisfaraway.toinArethesetwosentencesright?介词+关系代词的情况3Themanwho/whomyouspokewasascientist.Thecitythat/whichshelivesisfaraway.toinArethesetwosentencesright?介词+关系代词的情况3Themanwho/whomyouspokewasascientist.Thecitythat/whichshelivesisfaraway.toinArethesetwosentencesright?