Unit 5 What are the shirts made of? Section A(Grammar focus-4c)课件(共20张PPT)

(共20张PPT)
Section A (GF-4c)
Unit5 What are the shirts made of
made by Mary
重点句型
1.似乎世界各地的很多人都喝中国的茶。
It seems that many people all over the world drink Chinese tea.
2.无论你会买什么东西，你可能认为那些产品就产自那些国家。
No matter what you may buy，you might think those products were made in those countries.
3.他发现有件事情很有趣，即当地商店里的很多商品都是在中国制造的。
He found it interesting that so many products in the local shops were made in China.
4.这些衬衫是用什么制成的？
What are the shirts made of？
5.哦，据我所知，茶树种植在山坡上。
Well,as far as I know，tea plants are grown on the sides of mountains.
review
Are your shirts made of cotton Yes, they are. And they were made in the US.
What’s the model plane made of It’s made of used wood and glass.
Where is tea produced in China It’s produced in many different areas.
How is tea produced Tea plants are grown on the sides of mountains. When the leaves are ready, they are picked by hand and then are sent for processing.
思考：
1. 被动语态结构有何规律？
2. 被动语态句中主语是动作的执行者还是承受者？
①People grow tea in Hangzhou.
②Tea is grown (by people) in Hangzhou.
What's the difference
人们在杭州种茶。
茶在杭州(被人们)种植。
Active
主动语态
Passive
被动语态
语态是动词的一种形式，它表示句子的主语和谓语动词之间的关系。语态通常分为主动语态和被动语态。
句子主语是动作的承受者
句子主语是动作的发出者
presentation
In what situations should passive voice be used
Situation 1: 不知道或没必要指出动作的执行者。
谁做的筷子？
谁种的茶？
2) Chopsticks are usually made of wood.
1) Tea plants are grown on the sides of mountains.
Situation 2: 强调动作的承受者。
Chinese is spoken by more and more people in the world.
世界上越来越多的人说中文了。
一般现在时被动语态的结构
1. It’s made of used wood and glass.
2.It’s produced in many different areas.
3.Tea is grown (by people) in Hangzhou.
4. Tea plants are grown on the sides of mountains.
5. When the leaves are ready, they are picked by hand and then are sent for processing.
主语+ am/is/are+ done (V-ed)
Many people speak English.
English is spoken by many people.
主语 谓语动词主动语态(现在时) 宾语
主语 谓语动词被动语态(be+V-ed) 介词+宾语
How to change the active voice into passive voice
◆ 主动语态变被动语态的方法
① 主动语态的主语变成by引导的介词短语放在主谓结构后面，有时可以省略。
② 主动语态的谓语动词变成“am / is /are+及物V-ed”形式。
③ 主动语态的宾语变成被动语态的主语。
被动语态的几种句型
1.肯定句: 主语 + be + V-ed + (by…)
The news is published by the government.
2.否定句: 主语 + be + not + V-ed + (by…)
3.一般疑问句: Be + 主语 + V-ed + (by…)
The news isn’t published by the government.
Is the news published by the government
特殊疑问句:
疑问词 + be + 主语 + V-ed + (by…)
When is the news published by the government
Active Voice Passive Voice
Water covers most of the earth’s surface.
Most of the earth surface
is covered
by water
The classroom is cleaned by the students every day.
The students
clean
the classroom
every day
Complete the sentences with the correct forms of the verbs in brackets.
4a
1. Children under 18 ______________ (not allow) to watch this show without their parents.
2.We _________ (pay) by the boss on the last Friday of each month.
3. A: What language ________ (speak) in Germany
B: Most people speak German, but many can speak English, too.
4. Most of the earth’s surface __________ (cover) by water.
5. The classroom ___________ (clean) by students every day.
are paid
is spoken
is covered
is cleaned
are not allowed
Farmers plant the tea on the sides of mountains.
Rewrite the sentences using the passive voice.
The best materials are used by this shop to make dresses.
4b
The tea is planted on the sides of mountains by farmers.
2. This shop uses the best materials to make dresses.
3. Careless driving causes many traffic accidents.
Many traffic accidents are caused by careless driving.
4.The postman brings letters and postcards to people’s homes.
Letters and postcards are brought to people’s homes by the postman.
5. Our family does not use this silver plate very often.
This silver plate is not used very often by our family. This silver plate is not used by our family very often.
一般现在时
的被动语态
否定句
一般疑问句
肯定句
结构：
主动语态 被动语态
summary
I.单项选择。
1. The girl is often _____ by the naughty boy.
A. made cry B. make to cry
C. made to cry D. make crying
2. This pair of shoes_____ hand, and it _____very comfortable.
A. is made with; is felt B. are made from; is felt
C. are made of; feels D. is made by; feels
3. — What languages _____ in that country
— German and English.
A. are speaking B. are spoken C. speak D. is spoken
4. Many trees _____ along the streets every year. So the air is very fresh now.
A. plant B. are planted C. planted D. were planted
C
D
B
B
5. It is said that two ______ and three _____ are going to visit our school next week.
A. German; Japanese B. Germany; Japan
C. Germanys; Japans D. Germans; Japanese
6. Driving after drinking wine ______ in China.
A. allows B. doesn’t allow
C. is allowed D. isn’t allowed
7. — Excuse me, haven’t you learned the new _____ law Everyone in a car must wear the seat belt.
— Sorry, we won’t do that again.
A. food B. traffic C. medicine D. education
8. If more trees ____, our city will be more and more beautiful.
A. plant B. planted C. are planted D. were planted
D
D
B
C
II.句型转换。
I wash dishes every day. (改为被动语态)
_______ ____ _________ ___ ____ every day.
2. Most of the farm work is done by machine
in China today.(改为一般疑问句)
___ _____ ___ ___ _____ _____ ____ ___
________ in China today
3. The jacket is made of cotton. (改为否定句)
The jacket _____ ______ ____ cotton.
4. He takes good care of the child.(改为被动语态)
____________________________________
Dishes are washed by me
Is most of the farm work done by machine
isn’t made of
The child is taken good care of by him.
下列这些短语本身即是被动语态的形式，不需再加－by
be covered with …用…覆盖着
be interested in …对…感兴趣
be surprised at …对…感到惊奇
be made of （from）用…制造的
动词短语的被动语态
take care of －be taken care of
cut down －be cut down
laugh at －be laughed at
look after－be looked after
一般现在时
一般过去时
现在进行时
过去进行时
一般将来时
现在完成时
含有情态动词
总结：各种时态下的被动语态
am/is/are done
was/were done
am/is/are + being done
was/were + being done
will/be going to + be done
have/has + been done
情态动词 + be done
1.政府每年种植许多树。
Many trees our government every year.
2.同学们昨天打扫了这间教室。
This classroom classmates yesterday.
3. 在周末，我们应该被允许放松一下。
We should relax ourselves on weekends.
4. 这封信写于1998年。
.
5. 我们学校明年将会修建一栋新的楼。
主动： .
被动： .
are
planted
by
was
cleaned
by
be
allowed
to
The letter was written in 1998.
Our school will build a new building next year
A new building will be built by our school next year
一看主语判断语态
二找时间状语判断时态
(感官)系动词
look
smell
taste
sound
feel
belong to
come out
come true
happen
take place
不及物动词(短语)
动词与副词连用表事物特性时，主动表被动
主语+动词+副词
The soup smells good.
Your voice sounds great!
Steel feels cold.
The meeting took place yesterday.
My dream will come true.
His book will come out next week.
The book sells well.
The book was sold yesterday.
These clothes wash easily.
These clothes were washed.
The flowers _______ (look) beautiful.
The cake ________ (taste) good.
Great changes ____________________ (take place) in China since 70 years ago.
Vegetables, eggs and fruit _____________ (sell) in this shop.
This kind of shoes __________ (sell) well.
look
tastes
have taken place
are sold
sells