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一、概念修饰名词或代词，做定语成分的从句。先行词引导词被修饰的名词或代词叫做先行词，引导定语从句的词叫做引导词。2.Thebuildingthat/whichissituatedbesideaparkisourschool.1.Ihaveasisterthat/whoworksinShanghai.4.Mr.Liuisthepersonwhomyoutalkedwithonthebus.5.TheboyswhoareplayingfootballarefromClassOne.定语从句三步走：1.找出定语从句2.指出先行词3.看先行词在从句中作什么成分指人指物主语宾语thatwhichwhowhomwhose定语=先行词的所有格关系代词的用法√√√√√√√√√√√√××××关系代词在从句中可以：在从句中做宾语时可以省略√√找出定语从句，并指出先行词1.Heisthemanwhom/thatIsawyesterday.2.Theyrushedovertohelpthemanwhosecarhadbrokendown.3.Thisnovel,whichIhavereadthreetimes,isverytouching.先行词在从句中作主语、宾语、定语时，用关系代词：thatwhichwhowhomwhoseas状语时，用关系副词：when(时间状语)where(地点状语)why(原因状语)1.Ihaveasister____________worksinShanghai.选择适当的关系代词填空：that/who指人，做主语2.Thebuilding__________issituatedbesideaparkisourschool.that/which指物，做主语3.Heistheman___________Isawyesterday.whom/that指人，做宾语（）４.Theyrushedovertohelptheman＿＿＿＿carhadbrokendown.whose指人，做定语＝man’s5.Thisnovel_________Ihavereadthreetimesisverytouching.6.Hismotherwon’tlethermarryanyone________familyispoor.which/that指物，做宾语whose指人，做定语＝anyone’s7.Mr.Liuistheperson___________youtalkedwithonthebus.whom/that指人，做宾语（）8.Theboys_______areplayingfootballarefromClassOne.who/that指人，做主语容易被遗忘的：as（指人、物，作主语、宾语）译为：“正如”；1.用于固定短语中，如asweknow,aswecanseeasisknowntoall,asisexpectedHewonthegame,asisexpected.Asweknow,theearthtravelsaroundthesun.2.先行词前有so,such,as,thesame时Ineedsuchadeskasheused.ThisisthesamebookasIlost.Theearthisround._____isknowntoall.Theearthisround,_____isknowntoall._____isknowntoall,theearthisround______isknowntoallthattheearthisround.Itwhich/asAsItThisissuchaninterestingbook____wealllike.Thisissuchaninterestingbook____wealllikeit.asthat练习：注意：1.只用that不用which的情况1.序数词或形容词最高级修饰先行词时TomisthecleverestboythatIhaveeverknown.ThisisthefirstplaythatIhaveseensinceIcamehere.②先行词被every,some,no,all,any,little,much等修饰时I’vereadallthebooksthatyoulendme.③everything,something,nothing,all,anything,little,much等不定代词作先行词时Everythingthatwesawinthisfilmwastrue.④先行词被theonly,thevery,thesame,thelast修饰时。Thisistheverybookthatbelongstohim.⑤主句已有who或which时Whoisthegirlthatisstandingunderthetree?WhichisthemachinethatweusedlastSunday.⑥当先行词同时指人和物时I’veneverheardofthepeopleandthingsthatyoutalkedaboutjustnow.注意：2.只用which不用that的情况：非限制性定语从句中，当先行词指物，或上文提到的一件事时，用whichHisspeech,whichmadeeveryonebored,wentonandon.Shecamebacksafely,whichmadeushappy.Shetreatsmebadly,_________Iwillneverforget.Heisreadingabook,__________Ireadbefore.whichwhich注意：3.those做先行词指物，关系词用which等,当其指人时,关系词用whoHeadmiredthosewhoaregoodatmaths.Headmiredthosewhichlooksbeautiful.注意：3.关系代词前有介词时(介词提前)，指人只用whom,指物只用which（who、that不用在介词后）Thisistheboywithwhomhetalked.Thisistheringonwhichshespent1000dollars.练习：1.Theplace______intersetedmemostwastheChildren’sPalace.A.whichB.whereC.whatD.inwhich2.Doyouknowtheman_________?A.whomIspokeB.towhospokeC.IspoketoD.thatIspoke3.Thatistheday______I'llneverforget.A.whichB.onwhichC.inwhichD.when4.Thisisoneofthebestfilms______thisyear.A.thathavebeenshownB.whichhavebeenshownC.thathasbeenshownD.whichhasbeenshown5.Isthereanything_____Icandoforyou?A.whichB.whoC.asD.that6.Ididn’tliketheway_____shespoketome.A.whichB.thatC.howD.as7.Marylivesintheroom,________dooropenseast.A.whichB.whoseC.thatD.inwhich8.Theforeignguests______werescientists,werewarmlywelcomedattheairport.A.mostofwhomB.mostofthemC.mostofwhoD.mostofthoseinwhich或省略引导词18when在从句中做时间状语=in/on/at/during+which代替IstillrememberthedaywhenIfirstmethim.Wehadameaningfulholidaywhenwelearnedsomethingnew.关系副词的用法=onwhich=duringwhichwhere做地点状语=in/on/at/to+whichThisisthefactorywhereheworkedfortenyears.=inwhichwhy做原因状语=for+whichThisisthereasonwhyIwaslateforschool.=forwhichThereasonwhyIdon’ttrusthimisthatheoftentelllies.1.Manycountriesarenowsettingupnationalparks_______animalscanbeprotected.2.Manycountriesarenowsettingupnationalparks_______canprotectanimals.练习：where/inwhichthat/which3.Successoftencometothose_______aregoodatrecognizingtheirownstrengths.4.Thebooktellsstoriesthroughtheeyesofthose________liveswereaffected5.Salesdirectorisaposition__________communicationabilityisasimportantassalesskills.6.Weliveinanage_________moreinformationisavailableeasily.whowhosewherewhenⅡ.用适当的介词填空1.ThisisthewatchwhichIamlooking.2.Themanwhomyoutalkedismyfriend.3.TheplanewhichweflewtoCanadaisverycomfortable.4.IstillrememberthedaywhichIfirstcametotheschool.5.Wedependonthelandwhichwegetourfood.forwithinonfrom用适当的介词填空(1)Inthedarkstreet，therewasn’tasingleperson_____whomshecouldturnforhelp.(2)Thepoormanhasnohouse___whichhecanlive.(3)Hebuiltatelescope_____whichhecouldstudytheskies.(4)Ididn’tknowthereason____whichhecamelate.(5)Isthisthecar____whichyoupaidahighprice?tointhroughforfor1.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that,which,whose,whomorwho?9.Isthereanythingelse_______youwanttosay?10.Any