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1、定语可以由形容词、代词、数词、名词、分词、不定式、介词短语等来担任，修饰名词。(以分词、介词短语为例）例：ThegirlbehindthetreeisKate.Themandrivingtoofastwasadrunk.定语从句在英语中，修饰名词或代词的句子叫定语从句。例：ThegirlwhoisbehindthetreeisKate.Themanwhowasdrivingtoofastwasadrunk.关系词判断步骤:首先，要辨别出先行词。如果先行词是指人,关系词可能就用who,that,whom,whose。如果先行词指物,关系词可
2、能用which或that1.which指物，做主语或宾语(作宾语可省略,如介词提前则不能省)2.who指人,做主语或宾语(作宾语可省略）3.whom指人,作宾语(作宾语可省略,如介词提前则不能省)4.关系代词that指人/物，做主语或宾语(作宾语可省略）先行词主格宾格所有格人who,thatwho(m),thatwhose物Which,thatWhich,thatwhose,ofwhich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数词修饰时,只能用that引导从句.Thisi
3、sthemostinterestingstory(that)Ihaveeverheard.Thefirstmeeting(that)wewilltakepartinwillbeheldintheafternoon.2.先行词是all,something,nothing,anything不定代词时,只能用that.§Hereissomething(that)Iwilltellyou.§Notallthatglittersisgold.3.先行词既有人也有物时,只能用that引出从句§Icanrememberwellthepersonsand
4、somepictures(that)Isee.4.先行词是oneof,theone,或用little,few,no,all,any作修饰，用that§Isittheonethatyouwant?§Wehaven’tgotmuchthatwecanofferyou.5.当主句已有疑问词who或which时，关系词用that§Whichisthebikethatyoulost?§Whoisthewomanthatwaspraisedatthemeeting?v从例句中看出，who、that在许多情况下可以通用，但有时宜用用who,而不用tha
5、t1.先行词是one(s),anyone,someone,those时，关系词使用who§ThosewhowanttogototheGreatWallsignuphere.§Onewhohasnothingtofearoneselfdarestotellthetruth.2.在therebe句型中，先行词指人,关系词用who§Thereisanoldmanwhowantstoseeyou.§Therearemanyyoungmenwhoareagainsthim.关系副词是用来引导定语从句的，它和关系代词一样，具有3种作用。在从句中代替先
6、行词。在句中作状语连接作用，把两个句子连接成为一个带有定语从句的复合句关系副词有三种：可编辑word,供参考版！where:在从句中作地点状语,指代地点.(onin/at…which)=thatwhen:在从句中作时间状语,指代时间。(on/in…which)=thatwhy:在从句中作原因状语,指代原因=that关系副词的用法：1.where的用法：(先行词应是地点名词）Thehotelwasn’tclean.+Westayedatthehotel=Thehotelwherewestayedwasn’tclean＝Thehotelatw
7、hichwestayedwasn’tclean.＝Thehotelwhichwestayedatwasn’tclean＝Thehotel关系词略westayedatwasn’tclean2.when的用法：（先行词应是表示时间的名词）I’llneverforgettheday.+IjoinedtheLeagueonthatday.I’llneverforgetthedaythatIjoinedtheLeague.(口语)I’llneverforgetthedayonwhichIjoinedtheLeague.I’llneverforget
8、thedaywhenIjoinedtheLeague.3.why的用法：(表示原因的名词)ThereasonwhyI’mcallingyouistoinviteyoutoaparty.Ther
