人教版九年级全册 Unit 6 When was it invented？Section A Grammar focus 4a-4c 课件 (共17张PPT)

(共17张PPT)
Unit 6
When was it invented
When were the following things invented Choose the right time.
A: When was the … invented
B:I think it was invented in ….
computer
1971
car
1885
TV
1927
telephone
1876
根据课本内容，完成下列句子。
1. 拉链是什么时候被发明的？
_____ _____ the zipper _______
2. 它于1893年被发明。
It ______ _________ in 1893.
was invented
When was invented
3. 它是由谁发明的？
______ _____ it invented ______
4. 它是由惠特科姆 贾得森发明的。
It ____ ________ ___ Whitcomb Judson.
5. 茶叶什么时候被带到朝鲜去的？
_____ ______ tea _________ to Korea
6. 是在六到七世纪之间被带到朝鲜。
It _____ _______ to Korea ________the 6th and 7th centuries.
was invented by
When was brought
Who was by
was brought during
7. 热冰淇淋勺用来做什么？
What ___ the hot ice-cream scoop
_____ _____
8. 它用来挖很冷的冰淇淋。
It’s _____ ____ ______ really cold
ice-cream.
used for serving
is
used for
主动语态变被动语态的方法
动作执行者+动词主动形式+动作承受者


动作承受者+谓语动词被动形式+by 执行者
Bell invented the telephone in 1876.
the telephone was invented by Bell in 1876.
主动语态变被动语态的结构图:
主语
谓语动词过去式
宾语
时间状语
主语
谓语动词的
过去分词
宾语
时间状语
4a
Rewrite the sentences using the passive voice.
点拨：原句为一般过去时态，原句的谓语动词为sold，宾语为the fridge；改为被动语态时，应将the fridge作主语，谓语动词用was sold的形式。
1. They sold the fridge at a low price.
_______________________________
The fridge was sold at a low price.
2. Somebody stole my camera from my hotel room.
_________________________________
My camera was stolen from my hotel room.
3. Where did you take these photos
__________________________________
4. Our parents advised us not to go out alone.
__________________________________
__________________________________
5. Different writers translated the book into different languages.
_____________________________________ _____________________________
Where were these photos taken
We were advised by our parents not to go out alone.
The book was translated into different languages by different writers.
1. You ____________ to the party last night, weren’t you Why didn’t you go
2. The earthquake happened all of a sudden, but luckily the villagers _____________ to a safe place.
were invited
eat, like, invite, tell, lock, ring, break, bring
were brought
4b
Complete the sentences with correct forms of the verbs in the box.
句子主语you与invite之间存在被动关系。
villagers与bring之间存在被动关系
3. The door ___________ when we arrived, so we ______ the bell.
4. The students ___________ not to eat or drink in class, but Ruby ______ the rule when she started eating a biscuit in science class.
5. The cookies __________ by the hungry kids in less than 20 minutes, and they really _____ them.
was locked
rang
broke
were told
were eaten
liked
the door与lock之间为被动关系；而we与ring之间则为主动关系；其他各题相同。
The telephone ______________ (invent) by Alexander Graham Bell. He __________ (born) in 1847. Mr. Bell ________ (work) on the invention of the telephone with Thomas Watson.
was born
was invented
worked
Decide whether active or passive forms should be used in these sentence. Write the correct forms in the blanks.
4c
the telephone与invent之间存在被动关系；Mr. Bell与work之间是主动关系。
五、拓展提升
In 1875, Mr. Bell _________ (learn) how to send musical notes through an instrument similar to a telephone. Finally, the telephone _____________ (invent) in 1876. The first sentence that _________ (say) on the telephone by Mr. Bell was “Mr. Watson, come here; I want to see you.” Today the telephone ________ (use) around the world.
learned
was invented
was said
is used
Mr. Bell与learn之间为主动关系。
1.The young man saved the lives of the
children.
The lives of the children were saved by the young man.
2. The villagers didn’t find the lost boy at last.
The lost boy wasn’t found by the villagers at last.
I. 将下列句子改为被动语态。
3. Did you clean up your room last night
Was your room cleaned up last night
4. My mother bought me a new CD player.
A new CD player was bought for me by
my mother.