定语从句关系代词

定语从句由位于定语从句句首的关系词引导，分为关系代词和关系副词。其中，关系副词可代替的先行词是时间、地点或理由的名词，在从句中作状语。而关系代词所代替的先行词是人或物的名词或代词，并在句中充当主语、宾语、表语等成分。关系代词在定语从句中作主语时，从句谓语动词的人称和数要和先行词保持一致。

扩展资料

一些情况只能用that做关系代词：

（1）不定代词anything, nothing, everything, all, much, few, any, little为先行词时，例如：I don’t have anything that you want.

（2）先行词为the only, the very, the just所修饰:He is the only man that I can trust.

（3）先行词被序数词、数词、形容词或最高级修饰时:She is the most beautiful lady that I have ever seen.

（4）先行词既有人又有物时，如：He talked about the teachers and school that he visited.

（5）当主句是以who或which开始的特殊疑问句时，为避免重复用that:Who is the person that you were talking to?

（6）关系代词在从句中作表语时:He is not the man that he used to be.