精选优质文档-倾情为你奉上初三英语定语从句讲解及练习题 在复合句中修饰名词和代词的从句叫做定语从句。被定语从句修饰的名词或代词叫做先行词。引导定语从句的关系代词有who, whose, whom, which, that 。引导定语从句的关系副词有when, where, why。关系代词在定语从句中做主语，宾语，定语。关系副词在定语从句中做状语。一、who引导的定语从句,who在从句中做主语(口语中也可做宾语)，修饰表示人的先行词。This is the man who helped me.The boy who/whom we saw yesterday is Johns brother.二、whom引导的定语从句,whom在从句中作宾语,修饰表示人的先行词，口语中可以省略。The doctor (whom) you are looking for is in the room.The person (whom) you just talked to is Mr. Li.=The person to whom you ju
