Period 21
The man is a worker
The man is speaking at the meeting
合并句子 : The man who is speaking at the meeting is a worker
概念 : 在复合句中修饰名词或代词 的句子
(Attributive clause)Mary is a beautiful girl
Mary is a girl who has long hair
形容词作定语句子作定语 , 修饰 girl, 叫做定语从句Mary is a girl
Mary has long hair
合并为一个句子Mary is a girl who has long hair
先行词关系词定语从句Mary is a girl who has long hair
关系代词关系副词which, who, whom, whose, thatWhere, when 定语从句的用法 :当先行词是物时 , 用 which 或 that 引导
These are the trees which were planted last year
当先行词是人时 , 用 who, whom, whose, that 引导
who, whom, whose, that 用法区别
who 作定语从句的主语或宾语
The man who is speaking at the meeting is a worker
The man is a worker
The man is speaking at the meeting
分解作主语Whom 作定语从句的宾语 The woman whom they wanted to visit is a teacher
The woman is a teacher