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:who﹑whom﹑that﹑which﹑whosewhere﹑when﹑why1.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.forwhichIpaidfiveYuanThisisthebookfromwhichIlearntalotinwhichtherearefewnewwordsaboutwhichTomoftentalks⑵根据先行词的搭配习惯thedayonwhichIjoinedtheleague.IstillrememberthedaysduringwhichIlivedinthecountry.theyearsinwhichIstayedthere.巩固练习:1.Finallythethiefhandedeverything______hehadstolentothepolice.A.whichB.whatC.whateverD.that2.Hetoldmeall________heknew.A.whichB.whatC.thatD.how3.HewasveryrudetotheCustomsofficer,_____ofcoursemadethingsevenworse.A.whoB.whomC.whatD.which4.Themostimportantthing____weshouldpayattentiontoisthefirstthing______Ihavesaid.A.which;thatB.that;whichC.which;whichD.that;that5.Youmaykeepany_____youfind.A.thatB.whichC.whatD.whom6.Inthedarkstreet,therewasn’tasingleperson______shecouldturnforhelp.A.towhomB.whoC.fromwhomD.that7.TheGreatWallisthelastplace____heisgoingtovisitbeforeheleavesBeijing.A.whereB.whichC./D.what8.NextSundayistheonlyday_____hecansparetojoinus.A.thatB.whichC.whenD.onwhich9.Throughpracticewecanlearnalot_____cannot_____frombooks.A.which;belearnedB.that;learnC.which;learnD.that;belearned下列每句均有一处错误,请找出并改正。1.Theytalkedforhalfanhourofthethingsandpersonswhotheywoulddealwithafewdayslater.2.Whoisthemanwhowaspraisedatthemeeting?3.Isthisthefarmwhereyouvisitedtheotherday?4.Iwanttobuythesamedictionarythatyouhave.____that____that____that____as中考链接1.–Isthegirl_____isinterviewingthemanagerofthatcompanyyourfriend?--Yes,sheisajournalistfromCCTV.A.whomB.whichC.whoD.whose2.Thisis______Iwanted.A.theonewhatB.whichC.onewhichD.theone3.Thecamel_______Irodehadabadtemper,andIgotverytired.A.thatB.whoseC.whoD.where4.Jamieisayoungcook_____wantstoimproveschooldinners.A.whoB.whoseC.whomD.which!