3.which指物，在定语从句中做主语或者宾语， 做宾语时可省略
(1) Football is a game which is liked by most boys. 足球是大多数男孩都喜欢的游戏.
(2) This is the pen (which) he bought yesterday. 这是他昨天刚买的钢笔.
It measured 9.5 on the Richter scale, which is used by seismologists (scientists who study earthquakes) to determine the magnitude of earthquakes.
In the Chile earthquake 2,000,000 people were left homeless, 5,000 were injured, and 2,000 more died. The quake caused tidal waves, which killed 61 people in Hawaii, 138 people in Japan, and 32 in the Philippines. Damage totaled $550,000,000. In 1964 a quake measuring 8.4 hit Anchorage, Alaska,
注意：关系代词whom在口语和非正式语体中 常用who代替，可省略。
注：who和whom已无太大区别，可以通用。如果在从 句中做宾语,就用whom或who.比如: He is the man whom/who I talk to. 他就是那个和我聊天的男人.
如果是在从句中作主语就只能用பைடு நூலகம்ho.比如: He is the man who has an English book. 他就是那个有英语 书的男人.
定语从句： 就是要学习从句 如何充当定语的问题
如何用好 关系词 是关键
看 先行词 在句子中充当的成 分，作用
(Hint; 先行词 决定 关系词 关系词决定整句的正确与否)
1.who指人在从句中做主语
(1) The boys who are playing football are from Class One. 在踢足球的男孩们是一班的.
(2) Yesterday I helped an old man who lost his way. 昨天，我帮助了一个迷路的老人.
2. whom指人，在定语从句中充当宾语，常可省略。
(1) Mr. Liu is the person (whom) you talked with on the bus.
5. whose通常指人，也可指物，在定语从句中 做定语
(1) He has a friend whose father is a doctor. (2) I once lived in a house whose roof has fallen in. whose指物时，常用以下结构来代替 (3) The classroom whose door is broken will soon be repaired. (4) The classroom the door of which is broken will soon be repaired. (5) Do you like the book whose color is yellow? (6) Do you like the book the color of which is yellow?
必修一unit4 课文回顾与定语从句
1989 earthquake hit San Francisco
Buildings was pulled down
The road was broken
1960 Tangshan In ruins
The strongest earthquake took place in Chile on May 22, 1960.
Xue hao ding yu cong ju, Huan le xi yang yang
定语：用来限定、修饰名词或代词，是对名词或代词起修饰、 限定作用的词、短语或句子，汉语中常用‘……的’表示。 主要由形容词担任。此外，名词，代词，数词，分词，副词， 不定式以及介词短语也可以来担任，也可以由一个句子来担 任．单词作定语时通常放在它所修饰的词之前，作前置定语。 短语和从句作定语时则放在所修饰的词之后，作后置定语。
刘先生就是在公交车上和你聊天的那个人.
(2) Mr. Ling is just the boy whom I want to see. 凌先生恰巧就
是我想见的那个男孩.
.
你刚刚见到的那个人就是我的朋友.
(3) The man who/whom you met just now is my friend
taking 131 lives.
the devastating earthquake in southwest （毁灭性的）
China‘s Sichuan.
Great suffering
Pipes on the street cracked and burst
定语从句
•
Attributive Clause
4. that指人时，相当于who或者whom；指物 时，相当于which。
在定语从句中做主语或者宾语，做宾语时可省略。
(1)The number of the people that/who come to visit the city each year rises one million.
(2) Where is the man that/whom I saw this morning?
定语从句：定语从句是由关系代词或关系副词引导的 从句。
作用→是作定语修饰主句的某个名词性成分，相 当于形 容词，
又称为形容词性从句， 一般紧跟在它所修饰的先行词后面。
先行词：被定语从句修饰的名词、代词。 关系词: 引导定语从句的关联词
关系代词: that, which, who, whom, whose, as 等 关系副词: where, when, why 等