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1、高考英语定语从句用法讲解及专练一.定义：1.定语从句：修饰一个名词或代词的从句称为定语从句，一般紧跟在它所修饰的先行词后面。2.关系词：引导定语从句的关联词成为关系词关系词有关系代词和关系副词。关系代词有that,which,who,whom,whose,as等；关系副词有where,when,why等。关系词常有3个作用：1，引导定语从句。2，代替先行词。3，在定语从句中担当一个成分。3结构：先行词+关系词+从句二.关系代词引导的定语从句1.who指人，在从句中做主语(1)TheboyswhoareplayingfootballarefromClassOne.
2、(2)YesterdayIhelpedanoldmanwholosthisway.2.whom指人，在定语从句中充当宾语，常可省略。(1)Mr.Liuistheperson(whom)youtalkedaboutonthebus.(2)Mr.LingisjusttheboywhomIwanttosee.注意：关系代词whom在口语和非正式语体中常用who代替，可省略。(3)Themanwho/whomyoumetjustnowismyfriend.3.which指物，在定语从句中做主语或者宾语，做宾语时可省略(1)Footballisagamewhichisli
3、kedbymostboys.(2)Thisisthepen(which)heboughtyesterday.4.that指人时，相当于who或者whom；指物时，相当于which。在宾语从句中做主语或者宾语，做宾语时可省略。(5)Thenumberofthepeoplethat/whocometovisitthecityeachyearrisesonemillion.(6)Whereisthemanthat/whomIsawthismorning?5.whose通常指人，也可指物，在定语从句中做定语(1)Hehasafriendwhosefatherisadoc
4、tor.(2)Ioncelivedinahousewhoseroofhasfallenin.whose指物时，常用限定词名词+ofwhich或ofwhich+限定词名词结构来代替(3)Theclassroomwhosedoorisbrokenwillsoonberepaired.(4)Theclassroomthedoorofwhichisbrokenwillsoonberepaired.三.介词+关系代词引导的定语从句关系代词在定语从句中做介词宾语时，从句常由介词+关系代词引导(1)Theschool(that/which)heoncestudiedinisv
5、eryfamous.(2)Theschoolinwhichheoncestudiedisveryfamous.(3)TomorrowIwillbringhereamagazine(that/which)youaskedfor.(4)TomorrowIwillbringhereamagazineforwhichyouasked.注意：1.含有介词的动词短语一般不拆开使用，如：lookfor,lookafter,takecareof等(1)Thisisthewatchwhich/thatIamlookingfor.(T)(2)Thisisthewatchforwhi
6、chIamlooking.(F)2.若介词放在关系代词前，关系代词指人时用whom，不可用who或者that，不可以省略；指物时用which，不能用that，不可以省略；关系代词是所有格时用whose(1)Themanwithwhomyoutalkedismyfriend.(T)(2)Themanwithwho/thatyoutalkedismyfriend.(F)(3)TheplaneinwhichweflewtoCanadaisverycomfortable.(T)8(4)TheplaneinthatweflewintoCanadaisverycomfort
7、able.(F)3.“介词+关系代词”前可有some,any,none,both,all,neither,most,each,few等代词或者数词(1)Helovedhisparentsdeeply,bothofwhomareverykindtohim.(2)Inthebaskettherearequitemanyapples,someof whichhavegonebad.(3)Therearefortystudentsinourclassinall,mostofwhomarefrombigcities.4.限制性定语从句只能用that的几种情况 1．当先行词
8、是some(someth
