精选优质文档-倾情为你奉上2013高考英语一轮复习学案专题10:定语从句【备考策略】在复合句中修饰名词或代词的从句叫定语从句,被修饰的名词或代词叫先行词,引导定语从句的词叫关系代词或关系副词,关系代词有that, which, who, whom, whose, as,关系副词有when, where, why。一、关系词的基本用法who 指人,在从句中作主语、宾语或表语关系代词whom 指人,在从句中作宾语whose 指人或物,在从句中作定语that 指人或物,在从句中作主语、宾语或表语which 指物,在从句中作主语或宾语关系副词as 指人、物,在从句中作主语、宾语或表语when 指时间,在从句中作时间状语where 指地点,在从句中作地点状语why 指原因,在从句中作原因状语(1)The man (whom /who/that) my mother saw in the street is my teacher.(2)The book which/ that tells us about the eart