关系代词(that, who, whom, whose, which)所代替的先行词是人或物的名词或代词,并在句中充当主语、宾语、定语等成分。
1.Is he the man who/that wants to see you?(who / that在从句中作主语,指人)
2.He is the man whom/ that I saw yesterday.(whom / that在从句中作宾语,指人)
3.They rushed over to help the man whose car had broken down.(whose在句中作定语,指人)
4.Please pass me the book whose (of which) cover is green.(whose在句中作定语,指物。若指物,它还可以同of which互换)
5.The package (which / that) you are carrying is about to come unwrapped. 你拿的包快散了。(which / that在句中作carry的宾语,指物)
关系副词(when, where, why, that)可代替的先行词是时间、地点或理由的名词,在从句中作状语。关系副词when, where, why的含义相当于"介词+ which"结构,因此常常和"介词+ which"结构交替使用。
6.Beijing is the place where (in which) I was born.
7.Is this the reason why (for which) he refused our offer?
8.His father died the year (that / when / in which) he was born.
9.He can’t find the place (that / where / in which) he lived forty years ago.