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1、定语从句定语从句是指在句中作定语的从句。定语从句先行词：是被定语从句所修饰的词（通常是名词或代词）关系词的作用：1.引导定语从句2.在从句中替代先行词，在定语从句中充当一定的成分，通常是主语或宾语，作宾语时常可以省略。定语从句：先行词+关系词(that/which/who)+从句修饰定语从句包括先行词，关系词，也就是从句的引导词和从句三部分。例如：ThegirlwhoisbehindthetreeisKate.Themanwhowasdrivingtoofastwasdrunk先行词关系词指人that(作主语、宾语
2、或表语)who(作主语、宾语或表语)whom(作宾语)whose(作定语）指物that(作主语、宾语或表语)which(作主语或宾语)whose(作定语）Whoisthegirlthattalkedtoyouyesterday.关系词在从句中做主语先行词是人Lookatthephotos(that)Itookonmytrip.关系词在从句中作宾语先行词是物ItsuccessfullyshowstherichculturewhichmakesBeijingsofamous.关系词在从句中作主语先行词是物Thephot
3、o(which)welikedbestwastakenbyZhaoMin.先行词是物关系词在从句中作宾语Hisfatheristhepersonwhowillbemostunhappy.先行词是人关系词在从句中作主语Tomistheboy(who/whom)wesawintheshop.先行词是人关系词在从句中作宾语读下面的定语从句，思考关系代词是否可换成另外的，在从句中能否省略。1)Asharkisananimalthatlivesinthesea.2)Theboythatisreadinganewspapert
4、hereismycousin.3)Thesongswhichthesingersangwereverypopular.4)DoyouknowthemanwhomIspoketojustnow?5)Manyyoungpeoplelovethesongswhichhavegreatlyrics.whichwhothatthat/whothat关系词后有名词或代词时，它就做宾语；如果其后没有名词或代词，它就做主语。定语从句中需注意事项有些情况下只用关系词that,而不宜用which1.从句所修饰的词又被形容词最高级或序
5、数词修饰时Thisisthemostinterestingstory(that)Ihaveeverheard.Thefirstmeeting(that)wewilltakepartinwillbeheldintheafternoon.2.先行词是something,nothing,anything等不定代词时Hereissomething(that)Iwilltellyou.3.先行词既有人也有物时,只能用thatIcanrememberwellthepersonsandsomepictures(that)Isee
6、.4.先行词是oneof,theone,或用little,much,few,no,all,some,any,theonly,thevery,thesame,thelast作修饰时Isittheonethatyouwant?Ihaven’tgotmuchthatIcanofferyou.5.当主句已有疑问词who或which时，用thatWhoisthewomanthatwaspraisedatthemeeting?定语从句归纳拓展学习：注意事项：从句谓动形式由先行词决定。Helikesthesingerwhoiso
7、utgoingandconfident.Ienjoythemoviesthatarefunnyandeducational.1.Iprefershoesthat______(be)cool.2.Ilikeapizzathat________(be)reallydelicious.3.Whoisthemanthatoften___________(come)here?4.Ihaveafriendwho_________(play)sportseveryday.5.Sometimespeoplewilldosometh
8、ingthat____________(make)youangry.6.Ilikemusicianswho________(sing)thewordsclearly.areiscomesplaysmakessing————关系副词关系副词是用来引导定语从句的，它和关系代词一样,在从句中代替先行词,在句中作状语。where:在从句中作地点状语,指代地点.whe
