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TheAttributiveClause定语从句什么是定语？Ilikethepen.Whichpen?red定语从句一个句子充当定语Ilikethepen.(whichone?)Thepencostme10yuan.Ilikecostme10yuan.which↑先行词↑关系代词关系代词就是用来代替先行词的thepen=whichThepenthepen.概念：在复合句中，充当定语的句子叫定语从句。什么是定语从句呢？ExerciseIookatItookonmytrip.thephotosthephotos.which︿LookatthephotoswhichItookonmytrip.Attributiveclause关系代词which为引导词，在从句中代替photos先行词thatthat先行词：是被定语从句所修饰的词,通常是名词或代词。关系词：是引导定语从句的词，在从句中替代先行词。注意:从句必须紧跟在先行词后。MydadhasafriendthatisgoodatEnglish.Attributiveclause关系代词that为引导词，在从句中代替friend.先行词which可代替物that可代替人（有生命的事物）或物that和which用法小结which代替事物，在从句中充当主语和宾语1.Ican’tfindtheletter.Thelettercamethismorning.2.Pleasegivemethebook.Thebookisabouttravel.3.Thisisthebag.Mymotherboughtitlastweek.4.Thehouseismadeofwood.Jackbuiltthehouse.Thisisthebagwhichmymotherboughtlastweek.Ican’tfindtheletterwhichcamethismorning.Pleasegivemethebookwhichisabouttravel.ThehousewhichJackbuiltismadeofwood.Exercise:关系代词在从句中作宾语时，可以省略//thatthatthatthatthat代替人或物，在从句中充当主语和宾语1.TheboyiscalledTom.Theboybrokethewindow.TheboythatbrokethewindowiscalledTom.2.Mr.Liistheperson.Youtalkedwiththepersononthebus.Mr.Liisthepersonthatyoutalkedwithonthebus.关系代词在从句中作宾语时，可以省略/who代替人，在从句中可充当主语Doyouknowthegirl?(whichgirl?)1.Thegirlisrunningonthegrass.2.Thegirllikessingingverymuch.1.Doyouknowisrunningonthegrass.2.Doyouknowlikessingingverymuch.whowhothegirlThegirlthegirlThegirl??who/whom代替人，在从句中充当宾语Heistheman.Itoldyouabouthim.HeisthemanItoldyouabout.Thewomanisateacher.Wesawthewomanintheparkjustnow.Thewomanisateacher.whoWesawintheparkjustnowwhomthewomanwhowhomhim.指人指物主语宾语thatwhichwhowhomSummary关系代词的用法√√√√√√√√√√√√××××关系代词在从句的用法何时可以省略？做宾语时可以省略关系代词which/who/whom/thatTheboy_______isstandingunderthetreeismyfriendTom.Helivesinahouse______standsonahill.Thatlittlegirl______TomoftenhelpsishissisterMary.Thebird______issinginginthecageisTom’stoo.Bobishisdog______TomandMaryoftenplaywith.Thedogisgreat.Yesterdayhecaughtathief______wasrunningaway.thatwhowhomwhich/thatwhothatwhichthatwhichthat/whothat小测：用适当的关系词填空：1.LastnightIsawaverygoodfilm_____wasabouttheyouth.2.Thestudent_________youwanttoseehascomeback.3.IlikeJudyandherhouse_________areverybeautiful.whichwho/whomthat关系代词：whoseIwant’swindowfacesthesea.Eg:我看见一些叶子是黄色的树。Isawsometrees_______leaveswereyellow.护士就是以照看病人为工作的人。Anurseisaperson_______jobistotakecareofthepatientinthehospital.aroomTheroom.whosewhosewhose关系副词When表示时间，在定语从句中作时间状语Istillremembertheyearwhenyougraduatedfrom8MiddleSchool.Why表示原因，在定从中作原因状语，先行词只有表示原因的reason一词。Idon’tknowthereasonwhyhewassick.Where表示地点，在定语从句中作地点状语。ThatistheschoolwhereIstudiedthreeyearsago.Exercise:IlikeIlived2yearsago.IlikethehouseinwhichIlived2yearsago.IlikethehousewhereIlived2yearsago.Mybirthdayisatime_________Igetlotsofpresents.thehouse.thehouseinwhichwherewhen修饰对象时间地点原因关系副词先行词和关系副词的搭配when=in/on…whichwhere=in/on/…whichwhy=forwhich难点(1)：区分who,whom1.Theman_____talkedtoyoujustnowisaworker.2.Theforeigner________visitedourclassyesterdayisfromCanada.3.I’dliketoseetheboy______youtalkedabout.4.Thegirl______wesawyesterdayisJohn’ssister.whowhowhomwhom难点(2):关系代词在定语从句中作宾语时可省略，作主语则不可。1.Didyoureadthebook________Ilendtoyou?A.whoseB./C.whoD.what2.Didyoureadthebook_______waspopularatthemoment.A.thatB./C.whoD.whatBA难点(3):介词前置：1、介词前置时不可用that代替。2、词组不可前置1.Thisisthedictionary______Ipaidtendollars.A.whichB./C.whoD.forwhich2.Isawawoman_____Italkedyesterday.A.whoB.whomC.towhomD.whose3.Thisisthefarm_______Ionceworked.A.inwhichB.onwhichC.atwhichD.which4.Isthisbook________youare________?A.forwhich,lookingB.forthat,lookingC.which,lookingforD.which,lookingDCBC特殊情况指物时只能用that的情况1.先行词为__________________________等不定代词时2.先行词被____________________________修饰时3.先行词被____________________________修饰时4.先行词被____________________修饰时5.先行词是be的表语或therebe的主语时指人时只能用that的情况1.2.不能用that的情况1.2.everything,all,little,muchall,every,no,any,some,little,much,theonly,thevery,thesame,thelast序数词或形容词最高级先行词有人又有物时当主句是以who或which开头的特殊问句时介词前置时非限制性定语从句难点(4):特殊情况1.Tomtoldhisfathereverything_____hadhappened.A.thatB.whichC.\D.what2.Finally,thethiefhandedallmoney_____hehadstolentothepolice.A.whichB.whoseC.thatD.what3.Thisisthelasttime__________I’llteachyou.A.whichB.thatC.whenD.onwhich4.ThefilmIsawafewdaysagoisthebestone____I’lleverseen.A.whichB.whatC.thatD.onwhichACBC5.Thereisabook________youhaveread.A.thatB.whichC.whatD.who6.Itisabook_______isveryinteresting.A.whoB.whichC./D.that7.Whoisthegirl_________issingingattheparty.A.whoB.whomC.thatD.which8.Theyvisitedtheworkersandfactories_______theyhadknownabout.A.whichB.whoC.whomD.thatADCD定语从句的分类-限制性定语从句限制性定语从句是先行词在意义上不可缺少的定语，若去掉，所修饰主句的内容就不完整或失去意义。这种从句和主句的关系十分密切，写时不可用逗号分开。Shehasfoundthenacklace（that）shelosttwoweeksago,定语从句的分类-非限制性定语从句非限定性定语从句的作用是对所修饰的成分作进一步说明（注：通常和主句间用逗号隔开，不受主句句子结构的影响，将从句拿掉后其他部分仍可成立）例：Myhouse,whichIboughtlastyear,hasgotalovelygarden.