5、果修饰人,常用关系代词who,有时也用that(作主语时多用who)。如:Heisamanwho/thatoftenhelpsothers.他是一位经常帮助别人的人。如果这个关系代词在从句中作宾语,就应当用whom或that,但这种情况往往都可以把引导词省略,且在口语中可用who代替whom。如:Here is the man (whom / that / who)you would like to see.这就是你想见的那个人。值得注意的是,如果是在介词的后面就只能用whom。如:The boy to
6、whomI spoke is my brother.刚才和我说话的那个男孩是我弟弟。如果表示“……的”时,就用who的所有格whose。如:Is there anyone in our classwhosefatheris a doctor?我们班有谁的父亲是当医生的吗?whose的先行词也可以是物。如:The housewhosewindows face thestreet is my uncle’s.窗户面朝街的那座房子是我叔叔的。2.定语从句如果修饰“物”,用关系代词that的时候较多,有时也用w
7、hich。如: It’s a computerwhich / thatcosts sixthousandyuan.这是一台价值六千元的电脑。当这个代词在从句中用作宾语时,往往都会把它省略。如:The present(that / which)yougavemeis very beautiful.你给我的那件礼物非常漂亮。在介词的后面只能用which。如:This is the book aboutwhichthey aretalking.这就是他们正在谈论的那本书。3.定语从句修饰一个表示时间的词时,用
8、关系副词when。如:IstillrememberthedaywhenIfirstmetJim.我仍然记得我第一次见到吉姆的那一天。4.定语从句修饰地点名词时,用关系副词where。如:This is the placewherewe lived for fiveyears.这就是我们曾经住过五年的地方。5.定语从句修饰一个表示原因的词时,用关系副词why。如:I know the reasonwhyshe didn’tcome yeste