定 语 从 句 1【学习目标】 定语从句的基本知识点【复习任务】 1.学习重点： 必须用that.,which,as的定语从句 , 限制性与非限制性定从的区别。 2. 学习难点： 定语从句与其他从句的区别。【问题导学】【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 earth is interesting.（3 ）She lives in a house whose windows faces south.（4 ）Do you know the boy whose father is an English teacher?（5 ）I have never heard such stories as he tells.（6 ）I’ll never forget the day when /on which I joined the army.（7 ）I won’t forget the factory where / in which my father worked.（8 ）Tell me the reason why you came late.二、必须用“that”引导的定语从句1 、当先行词是不定代词all ，little, few, much, anything , everything, none, nothing, no one, some等时。He did everything that he could to help us.2 、先行词被all, every, no , some, any , little, much, the only, the very, the right, last , few , just 等修饰时。The only thing that we can do is to give you some advice.3 、先行词被序数词或形容词最高级修饰时，或先行词本身就是序数词或形容词最高级时。This is the most interesting film that I’ve ever seen.4 、当先行时前有such 或the same修饰时，先行词和关系代词指同一物时。She is wearing the same dress that she wore yesterday.5 、先行词既有人又有物时...
