Unit 5 What are the shirts made of Grammar Focus-4c一般现在时的被动语态语法课件 (共16张PPT)

(共16张PPT)
Grammar Focus-4c
Unit 5
What are the shirts made of
Grammar Focus
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.
看句子 找规律
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.
Active Voice: People grow tea in Hangzhou. Passive Voice: Tea is grown (by people) in Hangzhou.
Passive voice
被动语态
当主语是动作的执行者时，谓语的形式为主动语态；
当主语是动作的承受者时，谓语要用被动语态。
定义
eg: Many people speak English.
English is spoken by many people.
动作的执行者
动作的承受者
构成
be动词 ＋ 及物动词的过去分词
有人称、时态和数的变化
句型
肯定句: 主语 + be +及物动词的过去分词+ (by…)
否定句: 主语 + be + not +及物动词的过去分词+ (by…)
一般疑问句：Be + 主语 +及物动词的过去分词+(by…)
特殊疑问句：疑问词 + be + 主语 +及物动词的过去分词+ (by…)
语法重点：一般过去时的被动语态 (Passive Voice)
主动语态变被动语态的方法
A letter is written by Mary every week.
Mary write a letter every week.
宾语
主语
谓语
一般现在时的被动语态
主语
by+宾语(宾格)
主动句变为被动句4步骤：
1. 主句宾变被句主
2. 主句谓语变被动(be+过去分词)
【人称和数随主语的变化，动词的时态不变】
3. 主句主变by加宾
4. 其它成分都不变（定语、状语）
在主动语态句中动词make、have、let、see、watch、hear、feel等后接动词不定式作宾语补足语，动词不定式不加to。
但变成被动语态时后面的不定式都须加上to。
(1) The boss makes them work ten hours a day.
(2) Tom lets his little sister water flowers every day.

→ They are made to work ten hours a day.
→ His little sister is let to water flowers every day by Tom.
把下列句子变为含被动语态的句子。
1.Mr. Li corrects the students’ homework every morning.
The students’ homework is corrected by Mr. Li every morning.
2.People play basketball all over the world.
3. We often see him help his classmates.
4. The trees cover the whole mountain.
5. The teachers take care of the children.
主语
谓语
宾语
练一练
4a
Complete the sentences with the correct forms of the verbs in brackets.
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 the students every day.
are not allowed
are paid
is spoken
is covered
is cleaned
4b
Rewrite the sentences using the passive voice.
1.Farmers plant the tea on the sides of mountains.
__________________________________________
2. This shop uses the best materials to make dresses.
___________________________________________
3. Careless driving causes many traffic accidents.
_____________________________________________
4. The postman brings letters and postcards to people’s homes.
_____________________________________________
5. Our family does not use this silver plate very often.
_____________________________________________
The tea is planted on the sides of mountains by farmers.
The best materials are used to make dresses by this shop.
Many traffic accidents are caused by careless driving.
Letters and postcards are brought to people’s homes by the postman.
This silver plate isn’t used very often by our family.
4c
Ask five classmates about something they are wearing or have in their schoolbags. The list of words below may help you.
pencil, jacket, sweater, T-shirt,
shoes, cap, gloves, ring...
A: What’s your pencil made of B: It’s made of wood.
A: Where was it made B: It was made in Shanghai.
1. 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
2. Driving after drinking wine ______ in China.
A. allows B. doesn’t allow C. is allowed D. isn’t allowed
3. — 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
4. If more trees ____, our city will be more and more beautiful.
A. plant B. planted C. are planted D. were planted
D
D
I. 单项选择。
Exercises
B
C
5. —______do you exercise —I exercise______.
A. How long; everyday B. How long; every day
C. How often; everyday D. How often; every day
6. French ______ as the first language in______.
A. speaks; France B. speaks; the US
C. is spoken; France D. is spoken; the US
7. I______TV on Sunday. But on weekdays I can’t.
A. am allowed watch B. am allowed to watch
C. allow watch D. allow to watch
8. The kitchen is cleaned ______ my mother every morning.
A. by　　　 B. with　　 C. for　　　　D. at
9. — I enjoy walking on the clean streets in the morning.
— You know they ______ by the hard-working cleaners every day.
A. clean B. are cleaned
C. are cleaning D. will clean
10. They ______ books and school things in the store.
A. sell B. is sold
C. are sold D. to sell
II. 用所给词的正确形式填空。
①English___________ (use)as a foreign language in our
country.
②Flowers _____________(grow) in the park.
③He ______________ (not allow)to go out with his friends
on weekends.
④When _____ they ________ (invite) to come here
is used
are grown
isn’t allowed
are
invited
1. They are living in __________ (German)now.
2. We can’t avoid_______ (speak)of him. He needs our help.
3. Many people like cars _______ (make) in Shanghai.
4. The company is known for its high-quality
__________ (produce).
Germany
speaking
made
products
III. 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. French and English are spoken in Canada.(对画线部分提问)
______ _________ ____ _______ in Canada
5. 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
What language are spoken
The child is taken good care of by him.
THANK
YOU!