定语从句在复合句中修饰名词或代词的从句叫定语从句。被修饰的名词或代词叫先行词。引导定语从句的关系代词有who,whom,whose,which,that等和关系副词where,when,why等。关系代词和关系副词在定语从句中担任句子成分。●难点磁场1.(★★★★)—IdrovetoZhuhaifortheairshowlastweek.—Isthatthereason________youhadafewdaysoff?A.whyB.whenC.whatD.where(NMET1999)2.(★★★★★)Meetingmyuncleafterallthesewasanunforgettablemoment,________Iwillalwaystreasure.A.thatB.oneC.itD.what(NMET2002)3.(★★★★)Alecaskedthepoliceman________heworkedtocontacthimwhenevertherewasanaccident.(上海2002)A.withhimB.whoC.withwhomD.whom4.(★★★★)There’safeelinginme________we’llneverknowwhataUFOis.A.thatB.whichC.ofwhichD.what（上海2002）5.(★★★★)Wewillbeshownaroundthecity:schools,museum,andsomeotherplaces,________othervisitorsseldomgo.A.whatB.whichC.whereD.when6.(★★★★)AfterlivinginParisforfiftyyears,hereturnedtothesmalltown________hegrewupasachild.A.whichB.whereC.thatD.when(NMET1996)7.(★★★★★)CarolsaidtheworkwouldbedonebyOctober,________personallyIdoubtverymuch.A.itB.thatC.whenD.which(NMET1999)8.(★★★★★)Dorothywasalwaysspeakinghighlyofherroleintheplay,________ofcourse,madetheothersunhappy.A.whoB.whichC.thisD.what(NMET2000)●案例探究1.Thefilmbroughtthehoursbacktome________Iwastakengoodcareofinthatfar-awayvillage.A.untilB.thatC.whenD.where(NMET2001)命题意图：考查学生对定语从句的掌握，属于五星级题目。知识依托：先行词是表示时间的词，从句中缺少状语，通常用关系副词when。错解分析：本题有一定难度，主要是由于在先行词和定语从句之间有其他的词。解题方法与技巧：首先要找准先行词，先行词hours表示的是时间，当先行词是表示时间的词时，可能有2种情况：如果从句中缺少状语，通常用关系副词when，如题；如果在从句中缺少主语或宾语，通常用关系代词that或which。答案：C2.________isknowntoeverybody,themoontravelsroundtheearthonceeverymonth.A.ItB.AsC.ThatD.What(NMET2001)命题意图：考查学生对定语从句中关系代词as的用法。属于五星级题目。知识依托：as引导非限制性定语从句。错解分析：A项迷惑性较大。但it是形式主语，后应用that从句作真正主语。如：It’sknowntoeverybodythatthemoontravelsroundtheearthonceeverymonth.解题方法与技巧：根据题干的逗号可以判断，空缺处应填关系代词as，引导非限制性定语从句。在这种用法中，as的意思是“正像”“像”“那样”，定语从句则表达了说话人的对某事的态度和看法。答案：B●锦囊妙计1.由who,whom,whose引导的定语从句：这类定语从句中，who用作主语，whom用作宾语，whose用作定语。例如：Thisisthemanwhohelpedme.Thedoctorwhomyouarelookingforisintheroom.DoyouknowthemanwhosenameisWangYu?2.which引导的定语从句：which在从句中作主语或谓语动词和介词的宾语。例如：Thisisthebookwhichyouwant.Thebuildingwhichstandsneartheriverisourschool.Theroominwhichthereisamachineisaworkshop.3.由that引导的定语从句：that在定语从句中可以指人或物，在从句中作主语、谓语动词或介词的宾语。（但不能放在介词后面作介词宾语）例如：TheletterthatIreceivedwasfrommyfather.注意在下面几种情况下必须用that而不用which引导定语从句：①先行词是不定代词all,few,little,much,something,nothing,anything等。例如：Allthatwehavetodoistopractiseeveryday.②先行词被序数词或形容词最高级所修饰。例如：ThefirstlessonthatIlearnedwillneverbeforgotten.ThisisthebestfilmI’veeverseen.③先行词被all,any,every,each,few,little,no,some等修饰。例如：Ihavereadallthebooks(that)yougaveme.④先行词被theonly,thevery,thesame,thelast修饰时，例如：Heistheonlypersonthat/(who)Iwanttotalkto.⑤先行词既有人又有物时，例如：Theytal...
