(共19张PPT)
新目标版九年级上册
Unit 6 When was it invented
Section A ( Grammar Focus-4c, Self check)
Let’s listen and find the passive voice.
改变
否认，拒绝
is written
are given
am denied
What’s the rule of the passive voice of the simple present tense
(一般现在时的被动语态)
is/ am/are done
① 肯定句: 主语 + ________ + 及物动词的__________ + 其他
② 否定句: 主语 + ________ + _____ + 及物动词________ + 其他
③ 一般疑问句: _______ + 主语 + 及物动词________ + 其他？
④ 特殊疑问句: 特殊疑问词 + 一般疑问句式
is/am/are
过去分词
is/am/are
not
过去分词
Am/Is/Are
过去分词
Let’s practice.
is/ am/are done
1). People polish and paint these pieces of clay.
2). His parents don’t allow him to go out.
3). Do people grow tea plants on the sides of mountains
4). How do people produce tea
These pieces of clay are polished and painted (by people).
He isn’t allowed to go out (by his parents).
Are tea plants grown on the sides of mountains (by people)
How is tea produced (by people)
Tea ---- An accidental invention
1.One of the world’s favorite drinks was invented by accident.
2.Tea was first drunk by Shen Nong about 5,000 years ago.
3. A nice smell was produced when tea leaves dropped into the
hot water.
4. Tea was brought to Korea and Japan during the 6th and 7th centuries.
5. Cha Jing discusses where the finest tea leaves were produced.
Find out the passive voice of the past tense.
was / were done
Let’s conclude.
1.各种句式：
肯定句: 主语 + _________ + 及物动词的过去分词 + 其他
② 否定句: 主语 + _________ + _____ + 及物动词过去分词 + 其他
③ 一般疑问句: __________ + 主语 + 及物动词过去分词 + 其他？
④ 特殊疑问句: 特殊疑问词 + 一般疑问句式
was/were
was/were
not
was/were
一般过去时的被动语态
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.
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.
eat, lock, like, ring, invite, break, tell, bring
were invited
were brought
was locked
rang
were told
broke
were eaten
liked
4b
Complete the sentences with the correct forms of the
verbs in the box.
Rewrite the sentences using the passive voice.
They sold the fridge at a low price.
___________________________________________
2. Somebody stole my camera 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.
_______________________________________________
The fridge was sold at a low price.
My camera was stolen from my hotel room.
Where were these photos taken
We were advised not to go out alone by our parents.
The book was translated into different languages
by different writers.
4a
Let’s practice.
steal – stole- stolen
Practice makes perfect.
2. Rewrite these sentences using the passive voice.
1. Someone stole my watch.
2. They used five eggs to make this big cake.
3. When did they invent the personal computer
4. They asked us not to run in the hallway.
5. Someone took the video back to the store.
My watch was stolen (by someone).
Five eggs were used to make this big cake(by them).
When was the personal computer invented
We were asked not to run in the hallway (by them).
The video was taken back to the store (by someone).
The computer was invented in__________.
The personal computer was invented in ________.
1971
1973
Who invented them
电脑是1946年发明的，发明是约翰.冯.诺依曼
世界上第一台电子计算机的真正发明人是美国的约翰.文森特.阿塔那索夫。
Mary Allen Wilkes被认为是世界上第一台个人计算机的发明者。
It’s hard to decide on who was the inventor.
Complete the passage with the correct forms of
the words in the box.
invent doubt mention website all of a sudden
It is often difficult to decide on the inventor of certain
inventions. This is because sometimes a few people may
______things which are nearly the same. It’s hard to tell who came up with the idea first. Some inventions can also lead to other inventions ____________. So some people _____ whether the inventor came up with the idea himself or herself.
They think that the inventor used someone’s idea to create his or her invention. That is why books or _______ usually ________more than one inventor when giving information about inventions.
invent
all of a sudden
doubt
magazines
mention
The telephone ___________(invent) by Alexander Graham Bell. He________ (born) in 1847. Alexander _______ (work) on the invention of the telephone with Thomas Watson. In 1875, Alexander ________ (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 Alexander was “Mr. Watson, come here; I want to see you.”Today the telephone __________ (use) around the world.
Who invented the telephone
Decide whether active or passive forms should be used
in these sentences. Write the correct forms in the blanks.
The telephone ___________(invent) by Alexander Graham Bell. He________ (born) in 1847. Alexander _______ (work) on the invention of the telephone with Thomas Watson. In 1875, Alexander ________ (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 Alexander was “Mr. Watson, come here; I want to see you.”Today the telephone __________ (use) around the world.
4c
was invented
was born
worked
learned
was invented
was said
is used
The telephone was invented by Alexander Graham Bell. He was born in 1847. Alexander worked on the invention of the telephone with Thomas Watson. In 1875, Alexander learned how to send musical notes through an instrument similar to a telephone. Finally, the telephone was invented in 1876. The first sentence that was said the telephone by Alexander was “Mr. Watson, come here; I want to see you.” Today the telephone is used around the world.
Let’s read and find out some points of time and activities.
In 1847 In 1875 In 1876
was born
learned…
was invented
Let’s create.
【A new world created by us】
Suppose we are now 100 years later, and a new world has been created by us.
We are now introducing the new world or the old world.
Please write at least two sentences based on the picture. (use the passive voice)
The train stations of the old days were filled with many commuters.(上下班往返的人)
Nowdays, everyone is required to fingerprint their way in and out.
Let’s create.
Please write at least two sentences based on the picture. (use the passive voice)
这是一台通过手机选定食谱，自动制作食物并自动清洗的做饭机器。
这是一件不需要换洗的衣服，
如果坏了，拿到厂家维修即可。
这是一个可以随时缩小变大的胶囊住宿，上班族早上可以将其收起来放在包里，下班找一个喜欢的地方放大即可居住。
未来人们的通行将会和哆啦A梦一样，带上竹蜻蜓就可以起飞。
Let’s practice.
1.The boy was made cry by his sister.
2. The strange was let to go.
3. I’ll come after the meeting if time is permitted.
4. Her forehead is felt hot. I’m afraid she is ill.
5. Eggs won’t be kept long in summer.
6. English is not easy to be learnt.
7. The traffic accident was happened yesterday.
8. The People’s Republic of China was found on October 1, 1949.
was made to
let go
permits
feels
keep
learn
happened
was founded
谢谢
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