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1、定语从句的基本用法1.在定语从句中作主语或宾语，用which,that,who。Hespentyearsinthevillageinhischildhood.Hestayedforfiveyearsinthevillage.Wespentthedaystogether.Hewaslateforschoolforthereason.Hetoldusthereasonatthemeeting.Ex:Hespentyearsstudyingmath.Hethoughtoftheyears____hespe
2、ntstudyingmath.Doyoustillrememberthetown____Imentioned?6.非限定性定语从句中,as和which的区别:Heishonest,as/whichwecansee.Asweallknow,paperwasfirstmadeinChina.PaperwasfirstmadeinChina,asweallknow.Hecompletedthetaskaheadoftime,whichwasbeyondourexpectation.Aswasexpecte
3、d,wedidcompletethetaskintime.asweknow;asisreported;asthestorygoes;asItoldyou;asLeninsaid;asisexpected;ItisknownthatpaperwasfirstmadeinChina.PaperwasfirstmadeinChina.Itisknowntoall.Asisknowtoall,paperwasfirstmadeinChina.Sheisabsentfromthemeeting.Itisoft
4、enthecase.Itisoftenthecasethatsheisabsentfromthemeeting.Asisoftenthecase,sheisabsentfromthemeeting.CCTVhasreportedthatthefluhasbeencontrolled.Ashasbeenreported,thefluhasbeencontrolled.thesame,such,as的后面:(1)Heisnotsuchafoolashelooks.他看上去有些傻，其实并不傻。(2)Thi
5、sisthesamedictionaryasIlostlastweek.这部词典跟我上星期丢失的一样。(3)Itwasthesameringthattheylostthirtyyearsbefore!这是他们三十年前丢的那只戒指!当主句和从句之间存在着逻辑上的因果关系时，关系词往往只用which。如：(1)Tomwaslateforschoolagainandagain,whichmadehisteacherveryangry.汤姆老是迟到，老师对此很恼火。(2)Thesetablesaremade
6、ofmetal,whichmadethemveryheavy.这些桌子是金属的，因此显得很重。不表示特别的含义，一般用which。He’smodest,whichIquiteappreciate.定语从句表示否定意义时只能用which:1.Hecamehereverylate,whichwasnotexpected.2.Mr.Beenusuallypraisedhimself,whichshedoesn’tlikeatall.非限制性定语从句是一个复合结构时，用which引导。Bettyalways
7、tellsalie,whichherparentsfindstrange.HerparentsfinditverystrangethatBettyalwaystellsalie.7.Youtalkedtothemanamomentago.9.Ispent30yuanonthebook.10.MybrotherandIusedtositinthewoodenroomintheevening.11.theonlyoneofthosewhonevercomeslate.oneoftheboyswhonev
8、ercomelate.12.先行词既有人也有物时，用that。thepeopleandtheirstoriesthatwecanrememberlivesandfortunesthatwerelostinthedisaster14.Heisleavingforthisreason.Itisforthisreasonthatheisleaving.21.在定语从句中，用作定语，修饰关系代词的，用which,在其它从句中用what。Doyouknowinwhatcased
