一。关系代词引导的定语从句1. 关系代词用来指代先行词是人或物的名词或代词句子成分 用于限制从句或非限制性从句 只用于限制性从句代替人 代替物 代替人或物主语 who which that主语 whom which that宾语 whose(=of whom) whose(=of which)
例1:this is the detective who came from london.例2:the book which i am reading is written by tomas hardy.例3:the d