九年级全一册Unit 6 When was it invented? 语法专题(共16张PPT)

(共16张PPT)
一般过去时的被动语态
九年级全一册Unit6 语法专题
content
一般过去时被动语态的用法
目 录
一般过去时的被动语态和一般现在时的被动语态
巩固练习
一般过去时的
被动语态
一般过去时被动语态的结构
be动词（was/were)+过去分词
肯定句
主语+was/were+过去分词
Zipper was invented by Whitcomb Judson in 1893.
否定句
主语+was/were not +过去分词
Zipper wasn’t invented by Whitcomb Judson in 1893.
一般疑问句
Was/Were+ 主语+过去分词…
Was zipper invented by Whitcomb Judson in 1893
一般过去时被动语态的结构
be动词（was/were)+过去分词
特殊疑问句
对发明时间进行提问：when
When was zipper invented
对发明人进行提问：who
Who was zipper invented by
主动语态怎么变成被动语态？
Tom gives me a book. (改为被动语态）
1. 宾语变成主语
2. 动词主动变被动（be+过去分词）
A book is given to me by Tom.
by +执行者
I am given a book by Tom.
小试牛刀:将下面句子改为被动语态
He cut down a tree.
A tree _______ ________ ________ by him.
2. I saw him playing football when I went home.
He ________ _________ playing football by me when I went home.
3. People plant a lot of trees every year.
A lot of trees _______ ________ ______ people every year.
4. Mr. Black sent my an interesting story books yesterday.
An interesting story books _______ ______ ____ me yesterday.
5. Mike waters flowers every day.
Flowers ______ _________ _____ Mike every day.
was
cut
down
was
seen
were
planted
by
were
sent
to
are
watered
by
一般过去时的被动语态
VS
一般现在时被动语态
被动语态
be动词+过去分词
一般现在时被动语态
一般过去时被动语态
am/is/are+过去分词
was/were+过去分词
I __________ (ask) to clean my bedroom every day by my mother.
The window ________________ (clean) just now. It looks quite bright now.
am asked
was cleaned
小试牛刀：完成下面句子
Now English _____________ (speak) by more and more people all over the world.
The lost by ____________(find) at the street corner last night.
Rice _________ (grow) in the south of the country.
The bridge ____________ (build) by local villagers two years ago.
Usually computers ___________(use) to get information on the Internet
My advice on how to save water ______________(accept) by my class last Monday.
is spoken
was found
is grown
was build
is used
was accepted
巩固练习
用所给单词的适当形式填空
last year, Jenny, a college student, ___________(choose) to work for Hua Wei.
Trees ___________(plant) along the road every year.
There was a big earthquake in Japan, but luckily many people _____________ (save)
He likes reading very much. Most of his money __________(spend) on books.
was chosen
are planted
were saved
is spent
用所给单词的适当形式填空
5. The Mid-Autumn Festival ___________________(celebrate) in August or September.
6. The photos ______________ (take) in Beijing last year.
7. The little girl is crying because her doll ____________ (break) by someone yesterday.
8. Mary ___________( invite) to the party. She had so much fun there.
is celebrated
were taken
was broken
was invited
完成句子
它是什么时候被发明的？
______ _______ it invented
2. 这座桥是去年被建造的。
The bridge ______ _______ last year.
3. 你知道它是怎么被发明出来的吗？
Do you know _______ it _________ __________
When
was
was
built
how
was
invented
完成句子
4. 我的雨伞被某个人错拿了。
My umbrella ______ ________ by someone ______ _______.
5. 班上的学生被老师分成了3组。
Students in class _______ _______ ________3 group by their teacher.
6. 通往上海的飞机票一小时前被买完了。
Plane tickets to Shanghai _____ ________ ________ an hour ago.
was
taken
by
mistake
were
into
divided
were
sold
out
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