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1、定语从句定义及其作用：定语从句是又称形容词性从句,在句子中起定语作用,修饰一个名词或代词,有时也可修饰一个句子.受定语从句修饰的词叫先行词.定语从句可分为：限制性定语从句和非限制性定语从句。定语从句一般都紧跟在它所修饰名词后面，所以如果在名词或代词后面出现一个从句，根据它与前面名词或代词的逻辑关系来判断是否是定语从句。定语从句Themanwholivesnexttoussellsvegetables.先行词放置于名词之_____，修饰名词的从句关系词连接作用1.2.在从句中充当成分后修饰物体时关系代
2、词that和which的区分使用that的情况：1、当先行词是nothing,something,anything,all,each等不定代词时。eg.Doyouhaveanythingthatisimportanttotellme?2、当先行词被all,any,some,no,not,every,each等修饰时。eg.Ihavesomebooksthatareverygood.3、当先行词被形容词最高级、序数词所修饰时。eg.ThisisthefirstbookthatIboughtmyself
3、.ThebiggestbirdthatIcaughtisthisbird.4主句是以which或who开头的特殊疑问句时EgWhichisthebikethatyoulost?Whoisthewomanthatwaspraisedatthemeeting.5当先行词在从句和主句中都作表语时,无论先行词是人还是物.Chinaisnolongerthecountrythatshewas.6.如有两个定语从句,其中一个已用which引导,另一个宜用that.Edisonbuiltupafactorywhi
4、chproducedthingsthathadneverbeenseenbefore.7.在therebe句型中,只用that.Heaskedforthelatestbook(that)thereisonthesubject.8、当先行词被thevery,thelast,thenext,theonly等词修饰时。eg.ThisistheverybookthatIlostyesterday.9、当先行词又有人又有物时。eg.Iwon’tforgetthethingsandthepersonsthatI
5、saw.只能使用which的情况。1、非限制性定语从句中。eg.Maryhasabook,whichisveryprecious.2、在介词之后。eg.Thisisahouseinwhichlivesanoldman.3、当主句中的主语被that修饰时。eg.ThatdogwhichIfoundinthestreetbelongstoMary.Consolidationexercises.Fillintheblankswithsuitablerelativepronouns.1.Thisistheo
6、nlybook____Igotlastyear.2.Isthisthebookin____youareinterested?3.Thisisthelargestanimal____Tomsawinthezoo.thatwhichthat5.Allthedesks____areboughtlookreallywonderful.6.Doyouhaveanymoney____isusedtobuildthefactory?7.Tomhasatoy,____wasgivenbyhisfather.8.Th
7、isisthesecondwatch____myfatherboughtforme.thatthatwhichthat4.Rosestillremembersthetreesandteachers____exist(存在)inthemotherschool.that修饰人时关系代词that和who,whom的区分。当主句中的主语是who时，只能用that。eg.Whoisthegirlthatisstandingoverthere?在非限制性定语从句中以及介词后面时只能用who或者whom。eg.I
8、haveason,whoisreallylovelyandinteresting.Thereare40studentsintheclass,mostofwhomareboys.关系代词whose既能修饰人，也能修饰物，在定语从句中充当定语，修饰先行词。eg.SheisthegirlwhoseEnglishsoundsverybeautiful.Maryhasaverygooddog,whosehairturnsoutwhiteandblack.Correctmista
