Book1 Unit4 Natural Disasters 自然灾害
Grammar: Restrictive Relative Clause限制性定语从句
Learning Objectives 学习目标
1.Master the form of the restrictive relative clause(限制性定语从句).
2.Choose proper relative pronouns(关系代词)for relative clauses.
3. Form the habit of independent learning and be willing to cooperate with others.
Step1 Lead in 导入
Watch and guess WHAT IT IS
Step2: Observe & Discover 观察发现
Activity1: Find out what can be used as an attribute(定语).
It brings strong winds and heavy rain.
2. It broke ten windows in our classroom.
3. Those who stayed here saw its terrible power.
4. It broke power lines that bring us light.
_____词、____词、_________、____词、______都可以在句子中充当定语。
Activity2: Find out the definition & structure & function.
定义：在复合句中修饰________________的从句叫定语从句。
定语从句相当于一个形容词，意为_________。被修饰的名词或
代词叫______。________包括关系____词和关系副词。
2. 位置：定语从句一般位于所修饰的____词或___词之后，故称作
后置定语。
3. 结构：定语从句的结构为 ________ +_________ +_________。
4. 作用：关系词的作用是①连接____句和____句；②指代__________; ③在定语从句中_____________。
Step3: Perceive & Clarify 感知明确
Observe and find out the usage of relative pronouns.
The typhoon that/which hit Huizhou last month was very strong.
There are some safety rules (that/which) we must follow.
Rule1: 当先行词是 （人/物）时，由句___知，从句缺主语，关系代词用 ；由句___知，从句缺宾语时，用_____________。
People who/that live near the sea often suffer from typhoons.
The volunteers (who/that/whom) we respect are heroes.
Rule2: 当先行词是______（人/物）时，由句___知，从句缺主语时，关系代词用 ；由句___知，从句缺宾语时，关系代词用_____________。
Rule3:由句②、④知，关系代词在定语从句中做 语时，可省略。
A family whose house was damaged received timely help.
We saw a tree whose branches were broken in the typhoon.
Rule4: 在从句中做定语，既可以修饰______也可以修饰_____，表示________关系，译为“什么人/物的”。
Rule5：由Rule1~Rule4知，关系代词的选择取决于两个因素：________和________________。
Step4: Apply & Consolidate 应用巩固
Activity1: Fill in the blanks with proper relative pronouns.
1. For people ________________love the sun, summer is a time of fun.
2. For people __________________homes were destroyed by typhoon Matmo, that summer was a time of great sadness.
3. The typhoon _______________hit the city yesterday is heading north.
4. The floods _________________the typhoon caused were serious.
5. We must help the people __________the disaster affected(影响) most.
6. Villagers___________lives near the sea should learn from this disaster.
Activity2: Guessing game.
Guess what kind of natural disaster it is.
Activity3: Complete the sentences, using an restrictive relative clause.
1. He is a boy _______________________________________________
___________________________________________________________
2. This is our school _________________________________________
___________________________________________________________
Activity4: Complete the passage, using relative pronouns.
A typhoon is a powerful storm 1. _______ forms over the warm ocean. It is a giant weather system 2. _________ can be hundreds of kilometers wide. People 3. ________ live in coastal areas need to be very careful. The news 4. _______ the weather reporters give helps everyone to prepare. The heavy rain 5. _______ a typhoon brings often causes flooding. The strong wind, 6. _______ speed can break windows, is the most dangerous part. We should always stay in a safe place where there are no windows. Luckily, scientists now have tools 7. _______ can predict the typhoon's path. This is information 8. _______ can save many lives.
Step5: Summary 总结
Step6: Homework作业
Must do: Finish the exercise on P52
Choose to do:
假设你是李华，你的朋友Tom生活在滨海城市，该地区春夏季台风频繁。你曾在台风中被困，深知防台风的重要性。请你给Tom写一封信，内容包括：
你在台风中的经历；
2. 防台风的建议。
注意：
1. 词数80左右；2. 可以适当增加细节，以使行文连贯；
3. 至少使用3处定语从句。
参考答案：
Step2:
Activity1:
形容词；介词短语；数词；名词；句子
Activity2:
1.名词或代词；“.......的”；先行词；关系词；代
2.名；代
3.先行词；关系词；从句
4.主；从；先行词；充当成分
Step3:
Rule1:物；①；which/that；②；(which/that)
Rule2:人；③；who/that；④；(who/whom/that)
Rule 3:宾
Rule 4：whose；人；物；所属
Rule 5:先行词；从句所缺的成分
Step4:
Activity1:
Who；whose；which/that；(which/that)；(who/whom/that)；who
Activity3:
1. who wins the relay race.
whom we all like.
whose hair is black.
that is shy but helpful.
……
2．which locates in the southwest of Huizhou.
that/which I have been studying in for three years.
whose environment is quite beautiful.
……
Activity4:
1. that/which；2. that/which；3. who/that；4.(that/which)；5. (that/which)；6.whose;7.that/which; 8.that/which
4(共33张PPT)
Discovering Useful Structures
Restrictive Relative Clause(1)
that, which, who, whom, whose
Master the form of the restrictive relative clause(定语从句).
Learning Objectives
1
2
Choose proper relative pronouns(关系代词) for relative clause.
3
Form the habit of independent learning and be willing to cooperate with the members in the group activity.
Step1: Lead in: Watch and guess WHAT IT IS.
typhoon
It brings strong winds and heavy rain.
It broke ten windows in our classroom.
Those who stayed here saw its terrible power.
It broke power lines that bring us light.
Q1: What’s the function of the underlined words
Q2: What can be used as an attribute
attribute 定语
形容词
数词
介词短语
名词
句子
the relative clause定语从句
Step 2: Observe & Discover
在复合句中修饰___________的从句叫定语从句。
定语从句相当于一个形容词，意为_________。
Those who stayed here saw its great power.
那些留在这儿的人见识到了它的可怕威力。
It broke power lines that bring us light.
它可能会破坏给我们带来光亮的电线。
Step 2: Observe & Discover
Q1: What is relative clause
Q2: What is the structure
Q3: What’s the functions of relative pronouns
名词或代词
“.......的”
？ + ？ + ？
从句
作用：
1.连接主句和从句
2.指代先行词
3.在定语从句中充当成分
关系词
先行词
discussion
The typhoon that/which hit Hepu last month was very strong.
There are some safety rules (that/which) we must follow during a typhoon.
People who/that live near the sea often suffer from typhoons.
The volunteers (who/that/whom) we respect are heroes.
A family whose house was damaged received timely help.
We saw a tree whose branches were broken in the typhoon.
Step3: Perceive & Clarify: the usage of relative pronouns.
discussion
The typhoon that/which hit Hepu last month was very strong.
There are some safety rules (that/which) we must follow during a typhoon.
Step3: Perceive & Clarify: the usage of relative pronouns.
Rule1: 当先行词是 （人/物）时，由句___知，从句缺主语，关系代词用 ；
由句___知，从句缺宾语时，用_____________。
物
which/that
(which/that)
①
②
People who/that live near the sea often suffer from typhoons.
The volunteers (who/that/whom) we respect are heroes.
Step3: Perceive & Clarify: the usage of relative pronouns.
Rule 2: 当先行词是___（人/物）时，由句___知，从句缺主语时，关系代词用 ；
由句___知，从句缺宾语时，用_________________。
人
who/that
(who/whom/that)
③
④
②There are some safety rules (that/which) we must follow during a typhoon.
④The volunteers (who/that/whom) we respect are heroes.
Step3: Perceive & Clarify: the usage of relative pronouns.
Rule 3:由句②、④知，关系代词在定语从句中做 语时，可省略
宾
A family whose house was damaged received timely help.
We saw a tree whose branches were broken in the typhoon.
Step3: Perceive & Clarify: the usage of relative pronouns.
Rule4：_______在从句中做定语，既可以修饰_____也可以修饰____，表示_____关系。
物
whose
人
所属
The typhoon that/which hit Hepu last month was very strong.
There are some safety rules (that/which) we must follow during a typhoon.
People who/that live near the sea often suffer from typhoons.
The volunteers (who/that/whom) we respect are heroes.
A family whose house was damaged received timely help.
We saw a tree whose branches were broken in the typhoon.
Step3: Perceive & Clarify: the usage of relative pronouns.
Rule5：由Rule1~Rule4知，关系代词的选择取决于两个因素：________和________________。
先行词
从句所缺的成分
1. For people ___ love the sun, summer is a time of fun.
2. For people ____ _homes were destroyed by typhoon Matmo, that summer was a time of great sadness.
3. The typhoon __________ hit the city yesterday is heading north.
4. The floods ____________ the typhoon caused were serious.
5. We must help the people _________________ the disaster affected(影响) most.
6. Villagers _____ lives near the sea should learn from this disaster.
Step4: Apply & Consolidate
Activity1: Fill in the blanks with proper relative pronouns.
which/that
(who/whom/that)
whose
(which/that)
who
who
discussion
Activity2: Guess what kind of natural disaster it is.
Step4: Apply & Consolidate
Winner: the group with most correct guesses.
It is a sudden shaking that happens in the ground.
The shake which it makes can ruin buildings.
Activity2: Guess what kind of natural disaster it is.
Step4: Apply and consolidate
earthquake
It is a big wave that is caused by an earthquake under the sea.
People who live near the ocean should go to high ground.
Activity2: Guess what kind of natural disaster it is.
tsunami
Step4: Apply & Consolidate
It often happens in mountainous areas that often get heavy rain.
The mud and rocks that slide can bury houses and roads.
Activity2: Guess what kind of natural disaster it is.
Step4: Apply & Consolidate
landslide
It is a long period which has little or no rain.
The crops(庄稼) that need water cannot grow.
Activity2: Guess what kind of natural disaster it is.
Step4: Apply & Consolidate
drought
It is a big fire that burns forests.
It spreads in areas which are hot and dry.
Activity2: Guess what kind of natural disaster it is.
Step4: Apply & Consolidate
wildfire
It happens in places that have active volcanoes.
People who live close may need to run away.
Activity2: Guess what kind of natural disaster it is.
Step4: Apply & Consolidate
Volcanic Eruption
It is a strong wind which carries thick dust.
The sand that flies makes it hard to see.
People whose eyes are not protected may feel pain.
Activity2: Guess what kind of natural disaster it is.
Step4: Apply & Consolidate
sandstorm
Activity3: Think and complete the sentences, using an attributive clause.
Step4: Apply & Consolidate
He is a boy ______________________
Tips:
Who, whom, that, whose
black hair, be dressed in, relay race, outgoing, shy, friendly, helpful, kind, handsome, be good at, math, physics,…
who wins the relay race.
whom we all like.
whose hair is black.
that is shy but helpful.
……
Try to describe!
Activity3: Think and complete the sentences, using an attributive clause.
Step4: Apply & Consolidate
This is our school_____________________________
Tips:
Which, that, whose
Trees, teacher & student, old buildings, environment, beautiful, clean, comfortable, excellent, 120-year-old, in the southwest of Huizhou….
Try to describe!
which locates in the southwest of Huizhou.
that/which I have been studying in for three years.
whose environment is quite beautiful.
……
Step4: Apply & Consolidate
A typhoon is a powerful storm 1. ________ forms over the warm ocean. It is a giant weather system 2. _________ can be hundreds of kilometers wide. People 3. ________ live in coastal areas need to be very careful. The news 4. _________ the weather reporters give helps everyone to prepare. The heavy rain 5. _________ a typhoon brings often causes flooding. The strong wind 6. _______ speed can break windows, is the most dangerous part. We should always stay in a safe place where there are no windows. Luckily, scientists now have tools
7. ________ can predict the typhoon's path. This is information
8. _________ can save many lives.
Activity4: Complete the passage, using relative pronouns.
that/which
that/which
who/that
(that/which)
(that/which)
whose
that/which
that/which
Step 6: Summary
关系代词 所修饰的先行词 在从句中所作的成分
who 人
whom 人
whose 人/物
主语
宾语
宾语
which 物
that 人或物
主语
宾语
主语
宾语
定语
1. Must do: Finish the exercise on P52
2.Choose to do:
假设你是李华，你的朋友Tom生活在滨海城市，该地区春夏季台风频繁。你曾在台风中被困，深知防台风的重要性。请你给Tom写一封信，内容包括：
1.你在台风中的经历；
2. 防台风的建议。
注意：
1. 词数80左右；
2. 可以适当增加细节，以使行文连贯；
3. 尽可能多地使用定语从句。
Transfer & Create
Step 7: Homework
Thank you for your attention!
