Unit 5 What are the shirts made of? SectionA (Grammar focus-4c) 课件(共29张PPT)

(共29张PPT)
学习目标
1.掌握一般现在时的被动语态
2.掌握如何将主动语态变成
被动语态
Brainstorm
Brainstorm Brainstorm
1. 你的衬衫是棉的吗？
____ 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
made in
Are made of
What’s made
4. 茶产自中国哪里？
______ ___ tea _________ in China
5. 茶是如何制成的？
_____ is tea __________
Where is produced
How produced
6. 在杭州人们种植茶叶。
People _____ ____ in Hangzhou.
Tea ___ ______ (by people) in Hangzhou.
grow tea
is grown
动词的语态
被动语态
主动语态
执行者做主语
承受者做主语
Active voice
Passive voice
e.g. Many people speak English.
（______语态, 句子的主语__________,是动作speak的________）
English is spoken by many people.
（______语态, 句子的主语_________,
是动作speak的_______）
主动
many people
执行者
被动
English
承受者
Many trees are planted every year.
A special gift is given to her on her birthday.
I am looked after well by my parents.
一般现在时的被动语态：
am/is/are + V-过去分词
Practice
Practice
Practice
用括号内所给动词的适当形式填空。
1. The monthly exams _______ (hold) at the end of month.
2. A strange noise __________ (hear) by
his mother .
3. A wide road _________ (build)
between the two villages by those
people .
are held
is heard
is built
Excuse me. I'm looking for “Be the Best of Yourself ”.
— Sorry. The book you ask for______ out.
A. is selling B. is sold
C. was selling D. will be sold
中考链接
Han Han’s books are popular. They _______ by many teenagers.
A. is read B. was read
C. are read D. were read
The child without parents ______ good care of by his teachers in this special school.
A. is taken B. are taken
C. take D. takes
The classroom is cleaned
by us every day.
否定句
The classroom is not
cleaned by us every day.
一般疑问句
Is the classroom cleaned by us every day
提问
How often is the classroom cleaned by us ？
特殊疑问句
被动语态的几种句型
1.肯定句:
2.否定句：
3.一般疑问句：
4.特殊疑问句：
主语+is/am/are +not+Vp.p
Is/Am/Are +主语+Vp.p
主语+is/am/are +Vp.p
Wh-+is/am/are +主语+Vp.p
直接在be后加not
直接把be后提句首
Wh- 后接在一般疑问句
The sports meeting is held every 4 years .
？
sports meeting,
every 4 years
4a
Complete the sentences with the correct forms of the verbs in brackets.(P36)
1. Children under 18 _____________
(not allow) to watch this show
without their parents.
aren’t allowed
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.
are paid
n. 老板; 上司
is spoken
德国
4. Most of the earth’s surface
___________ (cover) by water.
5. The classroom _________ (clean) by
the students every day.
is covered
is cleaned
n. 表面; 表层
Change
Change
Change
They make shoes in that factory.
Shoes are made (by them) in that factory.
主语 谓语动词:原形 宾语 地状
主语 谓语动词 by+ 宾语 地状
主动语态变被动语态
主动语态变被动语态口诀：
宾语提前主语变，
原主变宾by后见，
时态人称be关键。
4b
Rewrite the sentences using the passive voice.
1. Farmers plant the tea on the sides of mountains.
_____________________________
_____________________________
The tea is planted on the sides of mountains by farmers.
学以致用
2. This shop uses the best materials to
make dresses.
________________________________
________________________________
The best materials are used to make dresses by this shop.
n. 材料; 原料
3. Careless driving causes many traffic
accidents.
________________________________
________________________________
4. The postman brings letters and
postcards to people’s home.
_______________________________
_______________________________
Letters and postcards are brought to people’s home by the postman.
Many traffic accidents are caused by careless driving.
n. 交通; 路上行驶的车辆
n. 邮递员
5. Our family does not use this silver plate
very often.
________________________________
________________________________
This silver plate isn’t used very often by our family.
Practice
Practice
Practice
请将下列句子变成被动语态。
1. We use computers to search information.
2. Does the teacher often repeat the story
3. They don’t allow fishing here.
4. Why does Bill look after his cat carefully
5. We don’t often speak English at home.