精选优质文档-倾情为你奉上定语从句(一)定义及相关术语1定语从句:修饰某一名词或代词的从句叫定语从句。定语从句一般紧跟在它所修饰的先行词之后。2先行词:被定语从句修饰的词叫先行词。3关系词:引导定语从句的词叫关系词。 关系词有关系代词和关系副词。关系代词有that, which, who, whom, whose, as等;关系副词有when, where, why等。 关系词通常有下列三个作用:A、引导定语从句;B、代替先行词;C、在定语从句中担当一个成分。例如: The man who is shaking hands with my father is a policeman. 该句中,who is shaking hands with my father 是定语从句,修饰先行词the man, “who”是引导定语从句的关系词,代替先行词the man,在定语从句中作主语。(二)关系代词引导的定语从句1who 指人,在定语从句中作主语。1) The boys who are playi