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1、Attributiveclause:在句子中作定语，修饰名词或代词的从句。这种从句由关系代词或关系副词引导，并作句子成分。Attributiveclause:定语从句的位置：通常在先行词（在主句中）后。定语从句的引导词关系代词关系副词指人指物who(主语、宾语)，whom(宾语)，that(主语、宾语),whose(定语)that(主语、宾语),which(主语、宾语)whose(定语)where(地点状语)when(时间状语)why(原因状语)问题一：如何判定用关系代词还是用关系副词找出定语从
2、句中是否主语和宾语都齐全。如齐全用关系副词。用什么关系副词看先行词。Iwillneverforgetthedays(______Istayedwithyou).when____JurassicParkisaboutapark______(averyrichmankeepsdifferentKindsofdinosaurs).___________where1958wastheyear______(Spielbergmadehisfirstrealfilm).__________Pleasegiv
3、emethereason_____(youmadesuchagreatsuccess).________whenwhy问题二：that和which的选择(1)that指物时一般可以与which互换，但在下列情况引导词只用that，不用which。①当先行词为all,much,little,few,none,something,anything,everything,nothing等不定代词时，如：a.Allcanbedonehasbeendone.b.Iamsureshehassomething
4、()youcanborrow.c.Thereislittle()theenemycandobesidessurrender.②先行词被all,every,no,some,any,little,much修饰时：I’vereadallthebooks(that)yougaveme.that和which的选择③先行词是序数词或形容词最高级修饰时。.Thisisthebestbook(that)I’veeverreadThisisthefirstcomposition(that)hehaswritten
5、inEnglish.④先行词被theonly,thevery,thelast修饰时。Thatwhitefloweristheonlyone(that)Ireallylike.Thisistheverybook(that)Iwanttofind.⑤当有两个或两个以上分别表示人和物的先行词时，这个定语从句要用that而不用who(whom)和which引导。如：Hetalkedabouttheteachersandschools（that）hehadvisited.问题三：as与which引导的定语
6、从句※对这两个词作如下归纳：1、如果定语放主句后，即引用as也可以用which.Hefailedtotheexam,as(=which)isnatural.Sheseemsascientist,as(=which)infactsheis.Grammarisnotadeadrule,which(=as)Ihavesaidbefore.2、如果从句在主句前，这时要用as而不用which引导定语从句。如：Asweallknow,hisparentswerekilledinthewar.Asweallk
7、now,theearthisround.3.用于thesame…as…,such…as…，as…as…,so…as…中，一般用as。e.g.Suchbooksasyoutellmeareinteresting.ThisisthesamebookasIlentyouyesterday.4.as代表前面主句意思时，有“正如…”之意，而which没有此意思，从句中的动词常是expect,know,see,think,want,suppose等。Hewonthematch,aswehadexpected
8、.Heagreedtotheplan,aswastobeexpected.Thepolicewerelookingforhim,ashethought.as与which引导的定语从句Hereissobigastoneasnomancanlift.5.as在从句中作主语时，后面常接行为动词的被动语态，如beknown，besaid，bereported等，如从句中行为动词是主动语态，一般要用which作主语。e.g.Shehasbeenlateagain,aswasexpected.Tomhasm
