或of whom the mother) is a doctor is my friend.
巩固练习：1. 用定语从句合并句子
(1) The scientist is very famous in the world. We met her yesterday.
The scientist who we met yesterday is very famous
Eg:The boy who is reading is Tom.
先行词
关系代词
Hospital is a place where a doctor works.
先行词
关系副词
二. 关系词的分类
1. 关系代词
关系代词在定语从句中作主语、宾语、表语 和定语，常用的关系代词有：that, which, who, whom, whose
巩固练习：2. 用适当的关系词填空 1.The girl __w_h_o_/_th__a_t _is standing next to our teacher
is her daughter.
2. The girl __(w__h_o_/w__h_o_m__/t_h_a_t_) _our teacher is talking with is a famous singer.
(2) 根据先行词的习惯搭配来决定。
I remember the day on which I joined the Party.
whom
in the world.
that
Ø
(2) The dress is new. She is wearing it.
The dress which she is wearing is new. that Ø
(3) He is the kind person. I have ever worked with him.
(1) whose引导的定语从句注意点
①whose引导定语从句，其后应紧跟名词，构成名 词短语。
② whose与它所修饰的名词一起可以作介词的宾语。 如：
The boss in whose department he worked had heard the news.他工作所在部门的老板已经听说了 这个消息。
关系代词和关系副词选择的关键： 判断先行词在从中所作的成分： 六.当先行词在从句中作状语： 时间：when=介词+which 地点：where=介词+which 原因：why=介词+which
介词+which/ whom引导的定语从句
1. 介词的选用原则：
(1)根据定语从句谓语动词的习惯搭配来决定。 This is the book on which I spent 8 dollars. This is the book for which I paid 8 dollars.
He is the kind person who I have ever worked with. whom that Ø
(4) This is the best film. I have ever seen this film.
This is the best film that I have ever seen. Ø
2. 关系副词 关系副词在定语从句中作状语，常用的关系副 词有：when, where, why
三. 关系代词的基本用法和注意点 1. 关系代词的基本用法
关系代词 指代的先 行词
who
人whLeabharlann m人which物
that 人或物
whose 人或物
充当从句的成分
主语、宾语 宾语
主语、宾语 主语、宾语、表语
定语
五. 关系副词when, where和why的用法
关系副词 指代的先行词 充当从句的成分
when where why
表时间的名词/ 名词词组
表地点的名词/ 名词词组
表原因的名词
时间状语 地点状语 原因状语
四. 关系代词和关系副词选择的关键：
判断先行词在从中所作的成分： 1. 当先行词在从句中作主语： 人：who/that 物：which/that 2. 当先行词在从句中作宾语： 人：who/whom/that/x 物：which/that/x 3. 当先行词在从句中作定语： 人/ 物：n1 whose n2 人：=the n2 of whom/ of whom the n2 物：= the n2 of which/ of which the n2
Attributive clause 定语从句
一. 定语从句的基本定义
放在名词或代词后面，由关系代词或关系副词 引导的修饰该名词或代词的从句叫定语从句。
被修饰的词叫先行词。
二. 定语从句的分类
限制性定语从句（无逗号）且从句去掉影响句子 完整性和非限制性定语从句有（逗号），表解释， 说明，去掉不影响句子的完整性
③ whose引导的定语从句，其先行词既可以指人 也可以指物。
④whose的先行词指物时，可用of which代替，但语 序不同，即whose+名词 = the+名词+of which，或= of which + the + 名词。如：
The novel whose title (= the title of which或of
which the title) is Red and Black is very interesting.
⑤whose的先行词指人时，可用of whom代替， 但语序不同，即whose+名词 = the+名词+of whom，或= of whom + the + 名词。如：
The boy whose mother (= the mother of whom
3. The girl__w__h_o_se__ mother is a teacher can speak English very well.
4. I can’t find the book _w_h_i_c_h_/t_h_a_t___is borrowed from the library.
5. I can’t find the book _(_th_a_t_/_w_h_i_c_h_)_____you lent to me.