定语从句阶段复习高一.ppt

定语从句：在复合句中，修饰某一名词 或代词的从句。 The girl who is standing there is Mary. 先行词 关系词 先行词：被定语从句所修饰的词。 关系词： 引导定语从句的词。 关系词作用和分类 一、关系词的作用: ⑴连接作用：引导定语从句，把它和从句连接起来； ⑵替代作用：在从句中替代它前面的先行词； ⑶成分作用：在从句中总是充当句子成分。 二、关系词的分类： 关系代词：who, that, whom, which, whose, as 关系副词：when, where, why 定语从句的辨认与使用 思考步骤： （1）找出先行词 a.确定关系代词的人称、数和性 b.确定从句位置（一般在先行词之后） （2）确定关系代词在从句中所担任的成分 以确定关系代词 （3）确定从句时态 Do you know the boy my mother is talking to? * * * 定语从句 思考: 1.什么是定语从句？ 2.什么是先行词？ 3.什么是关系词？ 4.关系词的作用和分类？ 5.关系词如何判定？ 6.关系副词与“介词+关系代词”有何关系？ 7. “介词+关系代词”中，介词怎样判断？ 8.定语从句可分为几类？有何区别？ 9. as的用法？ 10. as和which引导非限制性定语从句的 区别是什么？ 定义 whose, of which which, that 物 whose who, that whom（宾语） 人 在定从中作定语 作主语或宾语 先行词 关系代词的判定 在定语从句中作状语：指地点 where 指时间 when 指原因 why 关系副词和“介词+关系代词”的关系 I still remember the day when I came here. This is the house where I lived last year. There are many reasons why people like traveling. on the day =when in the house= where for the reasons =why 关系副词有时可同“介词＋关系代词”互换 on which in which for which 介词+关系代词的情况 1 The man whom you spoke was a scientist. The city which she lives is far away. to in 介词+关系代词的情况 2 The man who/whom you spoke was a scientist. The city that/which she lives is far away. to in Are these two sentences right? 介词+关系代词的情况 3 The man who/whom you spoke was a scientist. The city that/which she lives is far away. to in × × Are these two sentences right? 可见,who、that 不能用与介词之后 介词+关系代词的情况 4 Is this the watch that you are looking for? The old man whom I am looking after is better . 在固定短语中介词不能提前 下面两句中的介词能提前吗? 定语从句 The Restrictive Attributive Clause 限制性定语从句 The Non-Restrictive Attributive Clause 非限制性定语从句 定语从句的分类 区别：1)限制性定语从句对先行词起修饰限制作用， 而非限制性定语从句对先行词起补充说明