1、定 语 从 句 第 二 讲必修一限 制 性 定 语 从 句关系副词关系副词先行词先行词在定语从句中作的在定语从句中作的成分成分when时间名词时间状语where地点名词地点状语whyreason原因状语定语从句中关系副词的作用1.引导作用：引导定语从句。2.包含作用：在意义上，关系副词等于“介词+先行词”；在结构上，每个关系副词都可以转换为“介词+which”，实质是个介词短语，相当于副词，所以称其为关系副词。3.成分作用：因为是副词，所以他们都在定语，从句中充当状语。I still remember the day I was awarded the prize.The farm the w
2、ork is not far from here.He didnt tell me the reason he was so upset.例句：where引导定语从句时先行词可以表示抽象的地点，如：reach a point where.(达到一种.的地步）in a case where.(在一种.的情况下）in an activity where.(在.的活动中）in a situation where.(在.的局面下)In the job where.(在.的工作中）where引导定语从句的特殊用法定语从句中的介词，有时可置于关系代词之前，形成“介词+关系代词”的结构。1.“介词+whic
3、h”有时可以代替when、where、why.2.“介词+whom”在定语从句中，没有与之对应的关系副词可替代。介词+which/whom，引导定语从句特殊用法一：I will never forget the days we studied together.This is the town shakespeare was born.There is no reason for we shouldnt be friends.In the street there wasnt a single person she could turn.例句：“介词+关系代词”引导的定语从句中介词的选择：根据
4、介词与动词或形容词的固定搭配确定用什么介词。介词+which/whom，引导定语从句特殊用法二：This is a subject we might argue for a long while.例句：有些含有介词的动词短语不能拆开，从而不能将介词提到关系代词前面构成“介词+关系代词”引导的定语从句，比如look for，look after，take care of等。The patient my sister is is getting better.(）例句：The patient my sister is is getting better.（）用关系副词或（介词+关系代词）填空1.I
5、 still remember the day _/_ _ I first met Jennifer.2.They consider summer vacations as a time_/_ _ relaxing and having fun is a necessary part.3.We have come to a point_/_ _ it is different to reach an agreement.用关系副词或（介词+关系代词）填空1.I still remember the day _/_ _ I first met Jennifer.2.They consider summer vacations as a time_/_ _ relaxing and having fun is a necessary part.3.We have come to a point_/_ _ it is different to reach an agreement.when on which when in/during whichwhere at which
