先行词是人或物时,在
定语从句中可以充当主语,宾语,
表语,定语,或许还可以充当状语。
eg. Do you know the boy who lives
next door? who 作主语
Do you know the boy whose leg was broken in the game? whose 作定语
Do you know the boy whom the
teacher is talking with ? whom 作宾语
I still remember the house where I
lived in my childhood.where 作状语