定语从句关系词用法

定语从句关系词用法1、只用that不用which•1）当先行词是或被序数词，最高级，不定代词修饰时，关系词用that。•2）当先行词既有人又有物时，用that。•3）当先行词带有theonly,thevery,thesame,thelast,theone等词时，用that。•4）当主句中有who或which时，为避免重复用that。•5）当先行词为something，anything，nothing，none，no，little，much，all等不定代词时用that。2、只用who不用that•1）如果先行词是those,they,all,persons,people,he,anyone,one时用who•2）当先行词指人并含有较长的后置定语从句或在被分割的定语从句中时。3、只用which不用that•1）当主句先行词后有介词时，用which。例：ThisistheoneofwhichI'mspeaking。•2）非限定性定语从句，用which。•3）those+复数名词之后，多用which.例：Shopkeeperwanttokeepanumberofthosegoodswhichsellbest。•4）先行词本身是that时，用which。误区提醒•当表示时间或地点的名词作先行词时，要判断出它们在从句中作状语还是主语或宾语。作状语时用关系副词，反之用关系代词。•典型例题：Icanneverforgettheday_______weworkedtogetherandtheday______wespenttogether.•A.when;whichB.which;whenC.what;thatD.onwhich;when•Thelifeheisnowused_____quitedifferentfromours.•A.isB.tobeC.tobeingD.tois•【分析】答案选D。句中heisnowusedto是修饰thelife的定语从句，to后的动词is是句子的谓语，句意为“他现在习惯的这种生活与我们的生活很不相同”。