在复合句中，修饰主句中某一名词或代词的从句叫做定语从句。被定语从句所修饰的词叫先行词，通常位于定语从句之前。引导定语从句的是关系代词that,which,who,whom,whose和关系副词when,where,why.关系代词或关系副词位于先行词和定语从句之间，它既起连接作用，又充当从句中的一个成分。含定语从句的复合句的基本结构为：先行词+关系词+定语从句。Heisteacherwholikessingingsongs.定语从句先行词关系词关系代词:关系副词:whowhomthat﹑﹑﹑whichwhose﹑wherewhenwhy﹑﹑1.TheboysarefromGradeOne.Theboysareplaying.Theboys______________________arefromGradeOne.who/thatareplayingTheboys________________________areplayingbasketball.关系代词或关系副词位于先行词和定语从句之间，它既起连接作用，又充当从句中的一个成分。who/thatarefromGradeOne2.Thenurseiskind.Thenurselooksaftermysister.3.Wewatchedtheplay“Teahouse”.TheplaywaswrittenbyLaoShe.4.Whereisthegirl?YoutalkedwithherlastSunday.关系代词作用先行词定语人、物宾语人主、宾人、物主、宾人主、宾物whosewhomthatwhowhich1.Theboy__________fatherisateacherstudieshard.2.Heistheboy__________I’mlookingfor.3.Doyouknowtheboy_________studieshard?4.Shegotacomputer__________hermotherboughtforher.一般情况下，that,which,whom在从句中作宾语可以省略。1.Thegirl_______issittinginthechairisagoodsinger.2.Theskirt__________Maryboughttwoyearsagoisold.3.Isthisthenovel__________youintroducedtome?4.Whereistheboy_______brokethewindow?who/thatwhich/that/--that/which/--who/that5.Luckilynoneofthepeople___________Iknowwerekilledintheearthquake.6.Thestudent______fatherworksinthefactoryissittingthere.7.Iliketherooms______windowsfacesouth.8.Thisisthedesk______legswerebroken.whosewhosewhosewho/whom/--注意：1关系代词和关系副词在定语从句中都要充当句子成分。2当关系代词充当动词的宾语时可省略，当关系代词充当介词的宾语且介词不在关系代词之前的，关系代词也可省略。1.Yesterdayshetalkedwithonewoman____husbanddiedinthataccident.A.whichB.whoseC.ofwhichD.that2.Istheriver___throughthattownlarge?A.whichflowsB.flowsC.thatflowingD.whoseflows巩固练习3.Thesongs_______shesangintheconcertyesterdaysounded______A./,beautifullyB.that,wonderfullyC.which,wellD./,nice4.Theystudyinasmallclassroom_____floorisbroken．A．whoseB．whichC．whereD．that1.Thecarwhich(is/are)redwasdamagedyesterday.2.Jamieisayoungcookwho(want/wants)toimprovedinners.3.Sheisoneofthestudentswho____praisedatthemeetingyesterday.A.wasB.wereC.isD.are4.Heistheonlyoneofthestudentswho_____awinnerofscholarshipforthreeyears.A.isB.areC.havebeenD.hasbeenBDTheytalkedofthingsandpersonsthattheyremembered.下面几种情况下必须用that引导定语从句。（1）先行词既有人又有物时。（2）先行词是不定代词或被不定代词修饰。Allthatwehavetodoistopractise.（3）先行词被序数词、形容词最高级、theonly,thevery修饰。（3）先行词被序数词、形容词最高级、theonly,thevery修饰。ThefirstthingthatIlearnedwillneverbeforgotten.ThisisthemostinterestingfilmthatIhaveeverseen.ThisistheverypenthatIamlookingfor.HeistheonlypersonthatIwanttotalkto.下面几种情况下必须用that引导定语从句。（1）先行词既有人又有物时。（2）先行词是不定代词或被不定代词修饰。（3）先行词被序数词、形容词最高级、theonly,thevery修饰。代词限定名词前世上独无二，序数最高级下面几种情况下必须用which引导定语从句。（1）关系词前面有介词时。I’llneverforgetthedayonwhichIjoinedtheclub.（2）非限定性定语从句中。Theresultoftheexperimentwasverygood,whichwehadn’texpected.what不引导定语从句。如何选用结构中的介词⑴根据从句中的谓语动词的搭配onwhichIspentfiveYuan.forw...
