Unit 5 What are the shirts made of SectionA Grammar Focus-4c课件(共20张PPT，含内嵌视频)人教版九年级全册

(共20张PPT)
Unit 5 What are the shirts made of
Section A
(Grammar Focus-4c)
What is the passive voice
Grammar Focus
被动语态的几种句型
1.肯定句: 主语 + be + 过去分词 + (by…)
2.否定句:主语 + be + not +过去分词 + (by…)
3.一般疑问句:Be + 主语 +过去分词 + (by…)
4. 特殊疑问句 疑问词 + be + 主语 +过去分词 + (by…)
主动语态如何变被动语态:
We speak English (主动语态)
主语
谓语
宾语
English is spoken by us (被动语态)
by:被...由...
主语
谓语
宾语
宾变主,主变介宾
谓变be done时不变（be体现时态，人称和数的变化）
表示主语是动作的执行者。
表示主语是动作的承受者。
He plays football on Sunday.
Football is played by him on Sunday.
Lucy takes good care of the cats ．
The cats are taken good care of by Lucy.
Mike does the homework in the evening.
The homework is done by Mike in the evening.
My mother sweeps the floor every day.
The floor is swept by my mother every day.
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.
plete the sentences with the correct forms of the verbs in brackets.
aren't 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.
______________________________________________________
The tea is planted on the sides of mountains by farmers.
The best materials are used to make dresses by this shop.
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.
___________________________________________________
Many traffic accidents are caused by careless driving.
Letters and postcards are brought to people's homes by the postman.
This silver plate is not 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.
被动语态特殊用法
（1） A girl saw Tom fall off the tree.
Tom was seen to fall off the tree by a girl.
（2）The boss made the workers work hard.
The workers were made to work hard .
※ hear、 make、let、watch、see、 notice这些词主动语态的时候没有to, 但是变为被动语态的时候需要加上to。
①
②
主动表被动：
（1）表示某物自身内在特点，主动表示被动。常见
This pen writes well.
The shirt washes well.
This new book sells well.
The door can't work.
The shop opens/closes at 8:00 am.
(2) 有些词如 need和 be worth后面， V-ing形式为主动，意义为被动。 如：The room needs cleaning.
=The room needs to be cleand. The book is worth reading.
（3）无被动语态的动词：
a. 不及物动词、系动词(五感)；
b. happen, take place, break out, come out, come true, run out
如：SARS broke out in China that year.
Great changes have taken place in the last ten years in china .
3. “双宾语”改被动语态。
He gave me a book. →
I was given a book (by him).
A book was given to me (by him).
He showed me a ticket. →
I was shown a ticket (by him).
A ticket was shown to me (by him).
My father bought me a new bike. →
I was bought a new bike (by my father).
A new bike was bought for me (by my father).
间接宾语
直接宾语
V. + sb. +sth.
变直接宾语加to .变间接宾语不加
被
动
语
态
Review
Practice
一、用所给动词的正确形式填空。
二、句型转换
1.He sent sky lanterns out to ask for help.（改为被动语态）
Sky lanterns to ask for help by him.
were sent out
2.My students always share ideas in class.（改为被动语态）
Ideas always by my students in class.
are shared
3.We learn Chinese at school.（被动语态）
Chinese is learnt by us at school.
4.Your shirts are made of cotton.(改为一般疑问句，并作肯定回答）
-- your shirts of cotton
-- ,they .
Are made
Yes are