<正> 一、用关系代词还是关系副词关系代诃在定语从句中充当主语、宾语、定语,关系副词充当状语。如果定语从句内部缺少主语、宾语、定语就考虑用关系代词,反之就用关系副词。例如: I will never forget the days which I spent in Paris with you. I will never forget the days when I visited Paris with you. spend 和 visit 都是及物动词,但第一句 spent 后没有宾语,故用which 作宾语。二、何时用 that that 可指物,也可指人。下列情况用 that 引导: