人教版（2019）必修 第一册Unit 4 Natural disasters Discovering Useful Structures课件(共28张PPT)

(共28张PPT)
Unit 4 Discovering Useful Structure
Attributive Clause
单元主题语境学习：限制性定语从句中关系代词的运用
Learning Objectives 学习目标
By the end of this section, you will be able to:
1 Understand the defenition定义 of attributive clause &
restrictive relative clauses with relative pronouns(关系代词);
2 Work out rules of restrictive relative clauses with relative
pronouns and learn how to use them in practice.
3 Analyze分析 the context and choose suitable relative pronoun
4 Learn to use attributive clause to give advice on how to deal with stress.
Lead in
Lead in——Are you
Yes
or No
stressed 焦虑的
How to deal with the stress
1
3
2
4
Listen to
music
Task 1 What kinds of music do you like？
I like pop music.
名词作定语
介词短语作定语
I like music with a strong rhythm (节奏).
形容词作定语
I like exciting music.
1
Listen to music
定语从句：Attributive Clause
I listen to music.
I listen to music that\ which gives me energy .
Music gives me energy.
定义： 在复合句中修饰名词或代词的从句叫定语从句。
定语从句相当于一个形容词，意为“.......的”。
I like the singer.
The singer's music gives me energy.
I like the singer whose music gives me energy .
Task 2
How to deal with the stress
1
3
2
4
Turn to others
for help
Listen to
music
Combine ( 合并）the sentences
We can turn to teachers.
We can turn to teachers that\ who will lead us to a safe place .
The teachers will lead us to a safe place.
先行词
定语从句
关系代词
who/which/that
1.引导定语从句修饰先行词
2.在从句中代替此先行词
3.充当从句中的
被定语从句修饰的名词或代词
主语、
2
Turn to others for help
The teachers who we can turn to will lead us to a safe place.
主语
宾语
先行词
who\whom\that
Task 3
Combine ( 合并）the sentences
We are supposed to get to a place.
We are supposed to get to a place that/ which
is safe without buildings and trees .
The place is safe without buildings and trees.
先行词
定语从句
关系代词
The place that/ which we are supposed to get to is safe without buildings and trees.
主语
当先行词是 时，做从句主语或宾语，关系代词用 ；
当先行词是 时，做从句主语或宾语，关系代词用 ；
当先行词是 时，做从句主语或宾语，关系代词只能用 ；
Task4 Working out the rules 1
人
who/that;whom
物
which/that
1 We can turn to teachers that\ who will lead us to a safe place .
2 I listen to music that\ which gives me energy .
3 I like the singer and the music that give me energy .
又有人又有物
that
Discussion
在限制性定语从句中：
关系代词在定语从句中作主语时，
从句谓语动词的 应与 保持数的一致。
Working out the rules 2
I listen to music that\ which gives me energy .
I like the singer and the music that give me energy .
Discussion
单复数
先行词
Task5
Practice 1 写出黑体词所指代的词及在从句中所作的成分。
1 Rescuer is a person who rescues you from harm or danger。
2 Rescue is help which gets someone out of a dangerous or unpleasant situation.
3 A drought is a natural disaster that is a long period of time without rainfall .
4 The girl who told us the news is a reporter.
5 A helicopter is an aircraft that is able to stay still in the air and to move straight upward or downward.
6 Is there anyone in your class whose father is a fireman
7 The woman whom you saw just now is a survivor of a plane crash.
Practice 1 写出黑体词所指代的词及在从句中所作的成分。
1 Rescuer is a person who rescues you from
harm or danger。
2 Rescue is help which gets someone out of a
dangerous or unpleasant situation.
指代 ，作 。
指代 ，作 。
person
help
主语
主语
3 A drought is a natural disaster that is a long
period of time without rainfall .
4 The girl who told us the news is a reporter.
指代 ，作 。
指代 ，作 。
disaster
girl
主语
主语
Practice 1 写出黑体词所指代的词及在从句中所作的成分。
5 A helicopter is an aircraft that is able to stay still in
the air and to move straight upward or downward.
6 Is there anyone in your class whose father is a fireman
7 The graceful woman whom you saw just now is the only
survivor of a plane crash.
指代 ，作 。
指代 ，作 。
指代 ，作 。
aircraft
anyone
woman
主语
定语
宾语
Practice 1 写出黑体词所指代的词及在从句中所作的成分。
Practice 2 单句语法填空。
4 Firemen are those who (be) worth our respect .
2 A victim is someone who （have) been hurt or
killed in an accident.
3 A soldier is a member of an army, especially a person
who (be) not an officer.
1 A hurricane is an extremely violent storm that (begin) over ocean water.
has
are
is
begins
How to deal with the stress
1
3
2
4
Volunteer
in spare time
Turn to others
for help
Listen to
music
Ask the government
for help
Lead in
Volunteer in spare time
3
We find it happy to cheer up the children.
The children are ill in hospital.
We find it happy to cheer up the children ________ are ill in hospital.
that/who
Task6
Lead in
Volunteer in spare time
3
We are able to donate money to victims .
The victims’ homes have been destroyed.
We are able to donate money to victims _____ homes have been destroyed.
whose
Lead in
Volunteer in spare time
3
We are able to protect animals .
The animals’ shelters have been destroyed in a wildfire.
We are able to to protect animals _____ shelters have been destroyed in a wildfire.
whose
关系代词who/that/which在定语从句中作 时，不可省略；
关系代词who(m)/that/which在定语从句中做 时，可省略； 但介词提前的关系代词 。
Task 7 Working out the rules 3
Discussion
1 We find it happy to cheer up the children who are ill in hospital.
2 We find it happy to cheer up the children who we take good care of.
( )
主语
宾语
3 We find it happy to cheer up the children of whom we take good care .
不可省略
关系代词_______替代的先行词可指人可指物，译为“什么人/物的”，在定语从句中做____，指人时,相当于of_______;指物时,相当于of ______, 关系代词不可以省略.
Discussion
We are able to donate money to victims whose homes have been destroyed.
We are able to to protect animals whose shelters have been destroyed.
定语
whose
whom
which
Task 8 Working out the rules 4
Lead in
Ask the government for help!
4
We should turn to the government.
The government is always there for us.
We should turn to the government____is always there for us.
that/which
A report about the typhoon
For people 1 love the sun,summer is a time of fun. But for people 2 families were destroyed by the super typhoon 3 hit East China in July 2016, that summer was a time of great sadness. The floods and landslides caused by the typhoon killed 161 people,left 61 missing, and forced the evacuation of hundreds of thousands of people. The victims to 4 the typhoon brought death or great loss were in several provinces along the Yangtze River. In the months 5 have passed since then, much has been done to make things better and help the thousands of people 6 homes were destroyed, although the sadness will never leave those for 7 summer now marks the death of a loved one.
whose
that/which
whom
who
Practice 3
whose
that/which
whom
定语从句
Summary
定语从句的概念：定语从句在主从复合句中担任定语功能，对主句中某一名词或代词起修饰限定作用。
定语从句的两大要素：先行词和关系词
关系词的分类：关系代词和关系副词
关系词的作用：连接作用；替代作用；充当句子成分
概念
关系代词的选择
关系代词只用that 不用which的情况
先行词指人，作主语时，关系代词用who\that
先行词指人，作宾语时，关系代词用whom\who\that
先行词指物，作主语时，关系代词用which\that
先行词指物，作宾语时，关系代词用which\that
先行词指人或指物，作定语时，关系代词用whose
先行词被all, every, no, some, any, little, much等修饰时
先行词是序数词、形容词最高级或者先行词被序数词或形容词最高级修饰
先行词被the only, the very, the last修饰
先行词既有人又有物
主句是以who或which开头的疑问句
先行词在定语从句中作表语时
Homework
1. Write a short passage of 6 sentences with the four ways learned in class to give advice to someone who feels stressed around you.
At least 4 restrictive relative clauses must be used.
2. Complete the exercises on the worksheet.
3. Get ready for the coming game--Taboo
Lead in
Thank you