定语从句重难点复习性讲练知识讲解：关系代词主语动宾介宾定语人whothatwhowhomthatwhomwhose(某人的)=ofwhomthe物whichthatwhichwhose(某物的)=ofwhichthewhose在定语从句中作定语，表示引导词与whose后的名词为所属关系。whose多指人，也可指物，可分别与ofwhich/whomthe互换使用。Thisisthebookwhosecoverisblue.Thisisthebookofwhichthecoverisblue.Thisisthebookthecoverofwhichisblue.关系副词表示从句动作发生在某时：when=at/on/in+which表示从句动作发生在某地：where=at/on/in+which表示从句动作发生的原因：why=for+which一、何时用关系副词when,where,why引导定语从句？when引导定语从句:先行词是表示时间的名词而且是从句动作发生的时间时，用when引导定语从句。I’llneverforgetthedaywhen(=onwhich)Imetyou.Thiswasthetimewhen(=atwhich)heleftforBeijing.Wewillputofftheoutinguntilnextweek,when(=inwhich)wewon’tbebusy.where引导定语从句:先行词是表示地点的名词或含有地点意义的抽象名词而且是从句动作发生的地点时，用where引导定语从句。Thisisthetownwhere(=inwhich)Ispentmychildhood.Thetableatwhichsheissittingisanewone.I’llshowyouthepointwhereyoufailed.why引导定语从句:先行词是reason并且从句是表示结果时，用why引导定语从句。Thisisthereasonwhy(=forwhich)Ididn’tcomehere.比较：Thereason________________shegavewasnottrue.特别注意：当定语从句缺主语或宾语才直接用which或that引导定语从句。Thelibrary_______________________studentsoftenstudywasonfirelastnight.Thelibrary,_______wasbuiltinthe1930s,needsrepairing.Thelibrary_______________youvisitedyesterdaywasbuiltin1990.I’llneverforgettheday_____________________wefirstmetinthepark.I’llneverforgetthetime______________Ispentoncampus.I’llneverforgetthetime______________wasspentwithyou.二、介词+关系代词应注意的情况:1.who、that不能用于介词之后Themanwho/whomyouspoketowasascientist.Themanto________youspokewasascientist.Thecitythat/whichshelivesinisfaraway.Thecityin_________shelivesisfaraway.2.在固定短语中介词不能提前Isthisthewatchthatyouarelookingfor?TheoldmanwhomIamlookingafterisbetter.三、如何确定介词？把先行词接到从句谓语后面去,看需要什么介词。1、看定语从句中动词与介词的搭配Heistheman_____whomIthinkyoucandepend.Thehouse____whichhepaid100,000yuanisverybeautiful.2、看定语从句中形容词与介词的搭配Hereferredmetosomereferencebooks______whichIamnotveryfamiliar.Thisisthehero_____whomweareproud.3、根据先行词判断，所用的介词与先行词搭配Theschool______whichIstudyistheNo.11highschool.Therate/speed______whichwildanimalsarebeingdestroyedhasincreased.Theage______whichchildrencangotoschoolisseven.14.根据从句中动词与先行词搭配来选用介词，这时是两者兼顾。Hehaslostthekeytothebox____________thepapersarekept.Myglasses,_________________Iwaslikeablindman,felltothegroundandbroke.Hisbike___________hewenttoworkwasstolenlastnight.5.名词/代词/数词+of+which/whomThecommitteeconsistsof20members,5of_______arewomen.Thebookcontains50poems,mostof________waswrittenin1930s.Therearetwoleft,oneof_______isalmostfinished,andtheotherof_______isnotquite.Ihaveasentence,themeaningof_______Idon’tunderstand.四、非限制性定语从句和单句的比较1.IamreadingHarryPorter，_____isaninterestingbook.IamreadingHarryPorter，and_____isaninterestingbook.IamreadingHarryPorter;_____isaninterestingbook.2.Hefailedintheexam,_______madehisparentsangry.Hefailedintheexam,and_______madehisparentsangry.Hefailedintheexam;_______madehisparentsangry.3.Hehastwosons,bothof________areteachers.Hehastwosons,andbothof________areteachers.Hehastwosons;bothof________aretea...
