1 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 John’s 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 just talked is Mr. Li. (介词后 whom 不能省略) The babies whom the nurses are looking after are very healthy. (固定短语中的介词一般不能拆开，仍放在动词之后。look for / look after /take care of / put on / take off… ) 三、whose 引导的定语从句,whose 在从句中作定语，修饰表示人或物的先行词。 Do you know the woman whose name is Mary. Pass me the dictionary whose cover is black. He has a friend whose father is a doctor. 四、that 引导的定语从句，that 在从句中做主语或宾语、修饰表示人或物的先行词。作宾语时可省略,不能放在介词后面作宾语. (that 指人时，相当于 who 或者 whom；指物时，相当于 which) The letter (that//which) I received was from my father. I can’t find the letter that//which came this morning. Do you still remember the days (that//which)we spent together ? This is the man that//who helped me. The house (that//which) we live in is not large. =The house in which we live is not large. The doctor (that//whom //who)you are looking for is in the room. 2 五、which 引导的定语从句，which 在从句中做主语，也可做宾语，或介词的宾语，修饰表示物的先行词。 This is the book (which/that ) you want. The building which//that stand...
