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1、定语从句专项训练一、定语从句相当于相当于一个形容词，起定语作用，修饰说明名词，代词或其它短语甚至一个句子。二、关系词的作用关系词用来引导定语从句。关系词有关系代词和关系副词之分。关系代词有that,who,whom,whose,which等。关系副词有when,where,why等。关系词通常有三个作用： 1）引导； 2）代替；3）在定语从句中担当。关系代词 例 句that在从句中作主语或宾语指物Aplaneisamachinethatcanfly.(作主语）Thenoodles(that)Icookedweredeliciou
2、s.(作宾语)指人ThegirlthatwesawyesterdaywasKate.(作宾语)which在从句中作主语或宾语指物ThesilkwhichisproducedinSuzhousellswell.(作主语)ThesongswhichtheBeatlessangwereverypopular.(作宾语)who,whom在从句中分别作主语或宾语指人TheboywhobrokethewindowiscalledJohn.(作主语)ThepersontowhomyoujusttalkedisMrLi.(作介词宾语)whose在从句中作定语指人指
3、物Iknowthemanwhosefactoryproducesmobilephones.Doyoufindthehousewhosedoorsaremadeofmetal?when在从句中作时间状语指时间DoyouknowthedatewhenLincolnwasborn?Ican’trememberthedaywhenIvisitedthevillage.where在从句中作地点状语指地点ThisisthecitywhereIwasborn.Hehelpedhisfatheronthefarmwheretheylived.why在从句中作原因状
4、语指原因Thesearereasonswhywedoit.Idon’tknowthereasonwhyhelooksunhappy.注意：1.介词提前时,关系代词只能用whom而不能用that或who,只能用which而不能用that。①.Themanwhom/that/whoItalkedtojustnowismyteacher.ThemantowhomItalkedjustnowismyteacher.Themantothat/whoItalkedjustnowismyteacher.2).Isthisthelibrarywhich/thaty
5、ouborrowbooksfrom?5Isthisthelibraryfromwhichyouborrowbooks?Isthisthelibraryfromthatyouborrowbooks?②.介词提前时只能用“介词＋关系代词”而不能用“介词+关系副词”。如：1).I’llneverforgettheday.IjoinedtheLeagueontheday.（把两句合为一句）I’llneverforgettheday(that/which)IjoinedtheLeagueon.I’llneverforgetthedaywhenIjoinedt
6、heLeague.I’llneverforgetthedayonwhichIjoinedtheLeague.I’llneverforgetthedayonwhenIjoinedtheLeague.2).Nanjingisthecity.Iwasborninthecity.（把两句合为一句）Nanjingisthecity(that/which)Iwasbornin.NanjingisthecitywhereIwasborn.NanjingisthecityinwhichIwasborn.NanjingisthecityinwhereIwasborn
7、.3).Doyouknowthereason?Herefused(拒绝)tocomeforthatreason.Doyouknowthereason(which/that)herefused(拒绝)tocomefor.Doyouknowthereasonwhyherefused(拒绝)tocome.Doyouknowthereasonforwhichherefused(拒绝)tocome.Doyouknowthereasonforwhyherefused(拒绝)tocome.③.关系代词只能用that而不能用which的几种特殊情况。1）先行词本身
8、是all,few,little,much,any,everything,anything,nothing等不定代词时，关系
