资源简介

(共39张PPT)
Section A
Grammar Focus-4c
Unit 5
What are the shirts made of
The model plane is made of wood and glass.
Those chopsticks are made in Korea.
Disscussion
1. be made of +________, 表示_____________
2. be made in +________, 表示_____________
原材料
由……制成
产地
由（哪里）制造
The model plane is made of wood and glass.
The painting is made from grass, leaves and flowers.
Differences
be made of 和 be made from 都表示____________
be made of ________看出原材料，
be made from________看出原材料。
由……制成
可以
不可以
1. 他的新手机是美国制造的。
His new mobile phone ___ ___ _____ America.
2. 这些瓶子是塑料做的。
These bottles _____ ____ _____ plastic.
3. 这个面包是小麦做的。
The bread ____ ____ _____ wheat.
is made in
are made of
is made from
1.The workers make the bikes in the factory.
3.The bikes the workers.
2.The bikes the factory.
4. The bikes are made by the workers in the factory
are made in
are made by
1. 你的衬衫是棉制的吗？
____ your shirts _____ ____ cotton
2. 是的, 而且它们产于美国。
Yes, they are. And they were _____ ___ the US.
3. 飞机模型是由什么制成？
______ the model plane ______ of
4. 它是由旧木头和玻璃制成。
It’s made of ____ _____ and ______.
5. 茶产自中国哪里？
______ ___ tea _________ in China
Grammar Focus
made in
Are made of
What’s made
used wood glass
Where is produced
6. 茶产自很多不同的地区。
It’s produced in many ________ _____.
7. 茶是如何制成的？
_____ is tea __________
8. 茶树种植在山坡上。当茶叶长成后, 它们被手工采摘下来，然后送去加工。
Tea plants ____ _______ on the sides of the mountains. When the leaves are ready, they ____ ______ by hand and
then ____ _____ for processing.
9. 在杭州人们种植茶叶。
People _____ ____ in Hangzhou. Tea ___ ______ (by people) in Hangzhou.
How produced
are grown
are picked
are sent
grow tea
is grown
different areas
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 the mountains. When the leaves are ready, they are picked by hand and then are sent for processing.
Active Voice:
主动语态
Passive Voice:
被动语态
People grow tea in Hangzhou.
Tea is grown (by people) in Hangzhou.
被动语态
英语动词有两种语态：
主动语态 (the Active Voice)
被动语态 (the Passive Voice)
(1)在主动语态中，主语是动作的执行者。
Many people speak Chinese.
(2)在被动语态中，主语是动作的承受者。
Chinese is spoken by many people.
注：后面能接宾语的动词才有被动语态
及物动词
类似于汉语中的 “把”字句和“被” 字句。
We speak English.
主语 谓语 宾语
English is spoken by us.
主语 谓语 宾语
主动语态变被动语态
宾变主；主变宾，前加by。
Linda waters the flowers every day.
every day.
They clean the classroom every day.
every day.
The classroom
is cleaned
by them
The flowers
are watered
by Linda
※※※
※※※
Decide if these sentences are active or
passive voice.
1. We call the doctor.
2. The classroom was cleaned in the morning.
3. Tom played football on the playground yesterday.
4. Our English class is taught by Miss Chen.
主变被步骤:
1.找宾语: 即动作的承受者(改为主语)
He washes his car every day.
His car
3. 判断新主语的单复数:确定be动词的单复数.
be
4. 判断动词的时态 : 即be动词的时态.
2. 修改谓语的语态:即be+原V.过去分词
washed
5. 修改原句的主语 :即by +主语(变宾格).
(by him)
every day.
is
was
is
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
home.
_______________________________
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 by this shop
Letters and postcards are brought to people’s home by the postman.
Many traffic accidents are caused by careless driving.
This silver plate isn’t used very often by our family.
to make dresses.
be+及物动词的过去分词
被动语态的基本结构:
有各种时态的变化
即：be+done
1. 一般现在时：is / am / are + done
2. 一般过去时：was / were + done
3. 现在/过去完成时：has / have/had + been + done
4. 一般将来时：will+ be + done
5. 含有情态动词：情态动词+ be + done
6. 现在进行时：am / is / are + being + done
歌诀：被动语态be字变，过去分词跟后面。
找一找规律
[1]. Now English ____ by more and more people all over the word.
A. speaks
B. is spoken
C. was spoken
一般现在时的被动语态：
主语+am / is / are + done
[2]. The lost boy ____ at the street corner last night.
A. was found
B. is found
C. was looked for
一般过去时的被动语态：
主语+was / were + done
[3]. More man-made satellites ____ in the future.
A. will send up
B. will be sent up
C. are sent up
一般将来时的被动语态：
主语+will + be + done
主语+be going to + be + done
[4]. Flowers ____ every day.
A. has been watered
B. should be watered
C. should water
含有情态动词的被动语态：
情态动词 + be + done
make 过去式 made 过去分词 made
are the shirts made of
What
cotton
not
Are
The shirts are made of cotton.
the shirts made of cotton
The shirts are made of cotton.
肯定句：
一般疑问句：
否定句：
动词的过去分词的构成
动词的过去分词和过去式的变化规则是一样的。
1.在动词原形后加-ed 如：work →worked
2.以辅音字母加y的动词，变y为i加-ed
如： carry-carried study-studied
3.以e结尾的动词直接加-d。live-lived
4.以重读闭音节结尾且末尾只有一个辅音字母的词，双写该辅音字母再加-ed.
如： stop-stopped plan-planned
5.不规则的变化规则也是有规律可循的，详情见教材P184-185
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 the students every day.
aren’t allowed
are paid
is spoken
is covered
is cleaned
1. —Why does the earth look blue in space
—Because most of the earth’s surface ______ by water.
A. covers B. is covered C. cover D. are covered
2. A year has four seasons and it _____ twelve months.
A. divided into B. is dividing into
C. was divided into D. is divided into
3. Chinese New Year ______ the Spring Festival. People often eat dumplings.
A. is called B. was called C. calls D. called
4. Everyone in our class ____ to take part in the English Speech Contest.
A. is encouraged B. encourages
C. are encouraging D. are encouraged
5. Chengdu is a greener city now because more and more trees _____ every spring.
A. were planted B. are planted C. will be planted
6. —Can Mr. King spare some time for the charity show
—If he ____, he will try his best to make it.
A. will be invited B. is invited C. invites D. invited
【练习】将下列句子改成被动语态。
We use computers to search information. ______________________________
2. The teacher often repeats the story.
_______________________________
3. Bill looks after his cats carefully. ______________________________
4. We don’t speak English at home very often.
______________________________
Computers are used to search information by us.
The story is often repeated by the teacher.
The cats are carefully looked after by Bill.
English isn’t spoken very often by us at home.
被动语态的用法:
强调动作的承受者，而不强调动作的执行者。
不知道或没有必要说明动作的执行者是谁。
Tea is grown (by people) in Hangzhou.
The classroom is cleaned every day.
被动语态的特殊情况:
1.在主动语态中,make, let, hear, see, watch, notice等词,其后跟省略to的动词不定式(动词原形),在变为被动语态时,必须还原动词不定式符号to.如:
1) We heard him sing this song in the room.
He was heard to sing this song in the room.
2) The boss made him work 14 hours a day.
He was made to work 14 hours a day.
3) I see him walk to school.
He is seen to walk to school.
A traffic accident _________(happen) just now.
happened
2. 连系动词（Link.v.) 如：be, look, seem, feel, sound, smell, taste, get, turn, become…
Peking Opera ________ (sound) beautiful.
sounds
3. 当此动词表示事物的自然属性的时候:
The pen _________ (write) very fast.
writes
This kind of sweater _______ (sell) well.
sells
1. 不及物动词（vi.) 如:happen, take place, appear, disappear, …
不用被动语态的动词：
(表示主语的自然属性特征) + 副词 (well/ badly/easily/smoothly),常见动词：
read, write, sell, wash, clean, wear, lock, open, cook, shut, dry, eat, drink, …
The books ____ well．
A. were sold B. sell
C. have sold D. are being sold
This kind of cloth ____ easily．
A. has washed B. was washed
C. washes D. is washed
【2011北京】1. Many accidents____ by careless drivers last year.
A. are caused B. were caused
C. have caused D. will cause
【2011上海】2. An official _____ by some reporters on food problems in Shanghai yesterday.
A. is interviewing B. is interviewed
C. was interviewing D. was interviewed
【2011天津】3. Today a lot of information can _____ online.
A. receive B. be received C. is received D. receiving
【2011重庆】4. I’m glad to find that many trees_______ in our city last year.
A. plant B. planted C. were planted D. are planted
【2011陕西】5. Driving after drinking wine in China.
A. allows B. doesn't allow
C. is allowed D. isn't allowed
【2011安徽】6. Don't worry. Your package here until you come back, so enjoy shopping here.
A. will keep B. has kept
C. will be kept D. has been kept
【2011山东】7. It’s true that Shakespeare’s play ______ by so many people every year.
A. see B. will see C. are seeing D. are seen
知识总结与拓展
1). be made of 表示“由…制成”, 一般指能够看出原材料
This armchair is made of bamboo.
这个扶手椅是用竹子做成的。
2). be made from也表“由…制成”，一般看不出原材料
Paper is made from wood. 纸是由木材制成的。
3).be made in 在…制造/生产 后接动作的发生地（即产地）
The box is made in China。这个箱子是中国生产的。
4). be made by sb. 表示由某人制成.后接动作的执行者。
The dumplings are made by my mother.
这些饺子是由妈妈做的。
5). be made into 被制成为…，后接成品
This piece of wood will be made into a small bench.
这块木头将要被制成一个小凳。
Exercise
Books are made _____ paper while paper is mainly made ____wood.
A. of ;of B. from ;from
C. of; from D. from; of
2.---Your coat looks very nice. What’s it made____
---Cotton, and it is made______ Wu han.
A. from; in B. of ;in
C. from; on D. of; on
C
B
1. Do you know who he is
2. What did he do
He is Cai Lun (蔡伦)
He improved paper making（造纸术） .
In the past ,books were made of bamboo.
在过去，书籍是由竹子制成的。
What are they called
They are called ancient books.
What are they made of
What are books made of now
Today , books are made of paper.
Exercises
翻译下列句子。
1.这个戒指是银制的。
The ring is made of silver.
2.这种纸是由木头制成的。
This kind of paper is made from wood.
3.这些窗户是由什么制成的
What are these windows made of
4.黄油是由奶油做成的。
Butter is made from cream.

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