精选优质文档-倾情为你奉上定语从句定语从句 要注意各个关系代词之间的差别用法。一概念精要1由一个关系词引导的简单句,修饰句中一个名词或代词,有时也可以修饰整个句子或句中的部分内容,这样的简单句就是定语从句,被其修饰的名词或代词叫先行词。2关系词分为两大类,即关系代词和关系副词,其作用一是引出一个定语从句,二是代替其所修饰的先行词,三是在句中充当某个句子成分。见下表: 关系词的分类与句法功能关系词指代内容句法功能例句关系代词who人 主语、宾语The man who is waiting here/you have seen is my brotherShe doesnt look like the girl who she used to be.关系代词whom人宾语The policeman whom I visited yesterday was an officer.I dont employ a person about whom I know little.关系代词