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(共19张PPT)
Unit 4 Natural Disasters
Discovering Useful Structures
Describe pictures of disasters
Guessing Game -- Jigsaw Puzzle
Clue 1: He is a thin boy who has messy black hair.
Clue 2: He wears a pair of round glasses, which are often fixed with tape.
Clue 3: His most striking feature is his bright green eyes, whose color stands out clearly behind his glasses.
Clue 4: Just above his right eyebrow, he has a thin scar which is shaped like a lightning bolt.
Presentation
What is attributive？
破碎的 窗户
the broken windows
受惊吓的 小孩
the scared children
漆黑的 夜晚
the dark night
adj.
n.
修饰 modify
Attention
漆黑的 夜晚
the dark night
破碎的 窗户
the broken windows
Attention
The windows, which were broken during the earthquake, lay scattered all over the ground.
受惊吓的 小孩
the scared children
The children, who were scared by the sudden earthquake, huddled together in the corner.
The night that turned dark with the trembling of the earth was filled with fear.
Relative Clause
(定语从句)
What is relative clause？
句子： 主句 (main clause) + 从句 (subordinate clause)
He is a thin boy who has messy black hair.
先行词
antecedent
关系词
relative word
连接主从句
代替先行词
充当从句成分
Co-construction
Lang Ping is holding the medal which/that the team earned in the competition.
如何写定语从句？
Do you know this woman She is a volleyball coach.
Lang Ping is holding the medal.
The team earned the medal in the competition.
关系词代替先行词
Do you know this woman who is a volleyball coach
Co-construction
Simple sentences 简单句
Complex sentences 复杂句
关系代词that、which
The rescuer that saved her in the earthquake is a soldier.
从句的句子成分结构___________________，从句缺____________。
The Tangshan earthquake is a terrible experience (that/which) my grandma cannot forget.
从句的句子成分结构___________________，从句缺____________。
The supplies that/which were provided to the disaster area were collected from around the country.
从句的句子成分结构___________________，从句缺____________。
Co-construction
…谓+宾+状
主语 subject
主+谓+...
宾语 object
…+谓+宾
主语 subject
关系代词who、whom
Co-construction
The number of people who were killed or badly injured in the quake was more than 400,000.
从句的句子成分结构___________________，从句缺____________。
Mary is the girl (who/whom) you know well.
从句的句子成分结构___________________，从句缺____________。
…谓+状
主语 subject
主+谓+…+状
宾语 object
关系代词whose
Co-construction
Mr. Li is an architect whose designs for the new town have won praise.
He has written the book whose cover is blue.
Workers built shelters for survivors whose homes had been destroyed.
总结：whose在从句中充当___________，修饰__________，意为“_______________”，表所属关系。
定语
先行词
…的
关系 代词 指代 在定语从句中所充当的成分
人 people 物 thing 主语 subject 宾语 object 定语
attribute
which
that
who
whom
whose













定语从句关系代词 (relative pronoun) 用法总结
作宾语
可省略
Co-construction


Extension
What if I want to make a sentence on my own
What can you see from the pictures
What are they doing
I can see a dog.
The dog’s/ His job is to search and rescue people.
be 动词前有名词--不缺主宾
看句意！job 和 dog之前存在所属关系 -- whose
I can see a dog whose job is to search and rescue people.
Simple sentences 简单句
Complex sentences 复杂句
Extension
Example:
A: What can you see from the picture
B: I can see a dog whose job is to search and rescue people.
A: What’s the search and rescue dog doing
B: It’s looking for the people who survived the earthquake.
Work with a partner. Take turns to ask each other about the pictures. Make sentences with restrictive relative clauses using that, which, who, whose, or whom.
Extension
①I can see some soldiers.
②The soldiers/ They are helping the survivors to build shelters.
只剩谓语和宾语--缺主语 --用关系代词
先行词是人 --who/that
I can see some soldiers who/ that are helping the survivors to build shelters.
Extension
A: Why they need to build shelters
B:_____________________________________________________________________________.
Because the survivors whose homes were destroyed in the earthquake have nowhere else to live.
Extension
Because the survivors’ homes were destroyed in the earthquake.
Survivors have nowhere else to live.
Extension
News reports about natural disaster
Extension
Sharing conversations
3
4
5
6
useful expressions:
landslide (n.) 泥石流
destroy (v.) 摧毁
evacuate (v.) 疏散、撤离
carry (v.) 背
Extension
Study special cases about relative pronoun by yourself then complete each sentence with that, which, who, whose, whom, or “/”. Then translate the sentences into Chinese.
Try to describe other pictures and write them down. Use more restrictive relative clauses.
Use the self-evaluating chart to check your understanding of relative clause.
Homework
Extension
THANKS FOR Listening

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