Unit 7 International Charities Grammar 课件27张

(共27张PPT)

8B Unit 7
International charities
Grammar
主动语态和被动语态
1. I drank water. ---主动语态
The water was drunk by me. ---被动语态
2. I washed my hands.
My hands were washed by me.
3. I opened the window.
The window was opened by me.
null
1. 了解和使用被动语态。
2. 掌握被动语态的基本结构（一般现在时和一般过去时），
并能正确运用。
3. 掌握主动语态和被动语态之间的句型转换。

教学目标：
I am supported .
His eye problem was cured .
Millie’s been in Laibin for 3 years.
The plane is used as a training centre.
It helps build a better world.
The lives of the children are improved.
or
Active主动语态

Passive被动语态
Passive
Passive
Active
Passive
Active
Passive
Task 1
When to use the passive voice?

I am supported .
His eye problem was cured .

The plane is used as a training centre.

The lives of the children are improved.
Passive
Passive
Passive
Passive
Task 2
How to form the passive voice
Question2
How to form the passive voice in the simple present tenses?
The water is drunk by me.
My hands are washed by me.
I am made laughed by him.
S + be not + P.P.
被动语态的基本结构： S + Be + P.P.
被动语态的
一般现在时结构:
am
is
are
Question2
How to form the passive voice in the simple present tenses?
The water is drunk by me.
My hands are washed by me.
I am made laughed by him.



S + be not + P.P.
被动语态的基本结构： S + Be + P.P.
被动语态的
一般现在时结构:
am
is
are
If we want to tell people who perform this action, we can use “by”
are planned
What they do every year ?
1. Charity activities ______________(plan) to help the poor.
Toys and CDs ________(sell) to raise money.
are sold
every year
are handed out
Leaflets ________________(hand out) to people by volunteers.
every year
The UNCEF was set up in 1946.

During last visit, 150 patients were operated on.
The passive voice in past tense
被动语态的一般过去时结构:
S + be (not) + P.P.
was
were
被动语态句子的谓语部分由助动词be +动词的过去分词
其中，助动词be来体现时态的变化。
How to form the passive voice in the simple present tenses?
Question3
What they did last week ?
New books _________ (send) to children in poor areas by Class 1, Grade 8 students.
were sent
Warm clothes ______________(collect) for poor people.
were collected
last week
A charity show ____________ (hold) by the Students’ Union.
was held
last week
1.Oxfam ___________ (set up) in the UK in 1942.
4. The money _______ (use) by Oxfam to help people.
3.A lot of things _________ (sell) in Oxfam shops,
including books.
2. The first Oxfam shop __________ (open) in 1948.
was set up
was opened
are sold
is used
Practice
is called
was started
were given
5. There are also some charity projects in China.
One of them _________ (call) Project Hope.
6. It ____________ (start) in 1989.
7.With its help, millions of poor children
all over the country __________ (give) basic education.
8.Many schools __________ (build) in poor areas each year.
are built

We plant trees. (主动语态)
Trees



are planted
by us.
（被动语态）
主动语态和被动语态的句式转换


主动语态：S（主语）+V（谓语）+O（宾语）



被动语态：
S（主语）+
V(被动结构)+
by O（宾语）



转换步骤
1 原句的宾语变主语，宾变主.
2 和原句的时态保持一致，看时态。
3 找出对应的谓语动词，变分词。
They built a new bridge.


(主动语态)
（被动语态）
A new bridge
was built
by them.

Task3 Active Passive

He waters the flowers every day.
by him every day.
The flowers
are watered

2.被动语态构成 ： S + Be + done
一般现在时：
一般过去时：
S+am/is /are (not) +done
S+was/were (not) +done

Summary
1.什么时候用被动语态？
3.主动语态转换成被动语态的步骤
1 原句的宾语变主语，宾变主.
2 和原句的时态保持一致，看时态。
3 找出对应的谓语动词，变分词。
1._____ a new library _____ in our school last year?
A. Is; built ???????? ?B. Was; built ??
?? C. Does; build ??? D. Did ; build
2. Cotton（棉花） ____ in the southeast of China.
A. is grown ???? B. are grown ?????C. grows ????????D. grow
3.Lily_____ a story yesterday.
A. told us ??????? B. was told to us???
C. is told us ?????? D. tells us



比一比
用所给动词的被动语态填空:
1. your room ________ (clean) every day?
2. Our classroom ________________ ( not clean )
yesterday.
3. Both of the two books __________ ( lose) last
Sunday.
4. The students ___________ ( ask ) to hand in their homework on time every day.

Is cleaned
wasn’t cleaned
were lost
are asked
抓关键词确定时态!
1. Review the contents of this lesson.
2. Finish the exercises in the workbook.
3. Preview Integrated skills.
Homework



THANK YOU!