英语中的关系代词,基本用法一般从两个方面来掌握,即指代对象,在从句中作的成分。
常见关系代词包括下面这几个——
which ,指代事物,在从句中作主语,宾语
that,指代人或事物,在从句中作主语,宾语
who,指代人,在从句中作主语,宾语
whom,指代人,在从句中作宾语
whose ,指代人或事物,在从句中作定语。
例如——
A plane is a machine which can fly.
This is the book that he bought
yesterday.
I was the Only person in my office who was invited.
My room is the one whose window
faces the south.
此外,关系代词还有一个 as,一般引导非限制性定语从句,也可以指代事物或客观情况,在从句中作主语,宾语,表语等。例如——
As is known to all,China is still a
developing country .