关系代词
which：引导从句,在从句中作主语、宾语、表语或定语；先行词指事物
that：引导从句,在从句中作主语、宾语或表语；先行词指人或事物
who：引导从句,在从句中作主语、宾语、表语；先行词指人
whom：引导从句,在从句中作宾语；先行词指人
whose：引导从句,在从句中作定语,先行词指人
as：引导从句,在从句中作主语、宾语、表语；通常用于such…as…结构
He is a man who/that means what he says.他是一个说话算话的人.(先行词指人,关系
代词who/that引导定语从句,并在从句中作主语)
Is there anyone in your department whose father is a teacher?你们系有个父亲是老
师的人吗?（先行词之人,关系代词whose引导定语从句,并在定语从句中作定语）
To be frank,I don’t like the movie which/that you recommend to me yesterday.
说实话,你昨天推见给我的那部影片我不喜欢.（先行词指物,关系代词which/that引导
定语从句,并在从句中作宾语）