Unit 6 When was it invented Section A Grammar Focus—4c 课件(共14张PPT)人教版九年级全一册

(共14张PPT)
Unit 6 When was it invented
The Third Period
Section A(Grammar Focus—4c)
They planted flowers in the garden last year.
Flowers were planted in the garden last year.
Warming up
They sent the man to the hospital an hour ago.
The man was sent to the hospital an hour ago.
Grammar
Focus
When was the zipper invented It was invented in 1893.
Who was it invented by It was invented by Whitcomb Judson.
When was tea brought to Korea It was brought to Korea during the 6th and 7th centuries.
What is the hot ice-cream scoop used for It’s used for serving really cold ice-cream.
Active voice: Alexander Graham Bell invented the telephone in 1876. Passive voice: The telephone was invented (by Alexander Graham Bell) in 1876. 一般过去时的被动语态
在第5单元已介绍了被动语态的概念、一般现在时的被动语态及主动语态变被动语态的用法，本单元主要介绍一般过去时的被动语态。
一般过去时的被动语态的结构：
一、肯定句：主语+was/were+动词的过去分词+（by…）.
e. g. The classroom was cleaned by me yesterday afternoon. 昨天下午我打扫了教室。
语法拓展
二、否定句：主语 + was/were + not + 动词的过去分词 + (by…).
e. g. He wasn’t sent to the city last month. 上个月他没被送到城市。
三、一般疑问句：Was/Were + 主语 + 动词的过去分词 +（by…）
肯定回答：Yes, 主语+was/were.
否定回答：No, 主语+wasn’t/weren’t .
e. g. —Was your homework finished last weekend 上周你的作业完成了吗？
—Yes, it was. /No, it wasn’t. 是的，完成了。/不，没完成。
四、特殊疑问句式：
1.当疑问副词/代词不作主语时：
疑问词 + was/were + 主语 + 过去分词 (+ by…)
e. g. Where was the car parked 那辆车被停在什么地方？
2.当疑问代词作主语时：
疑问代词 + was/were + 过去分词 (+by…)
e. g. Who was sent to the hospital 谁被送到医院了？
1. They sold the fridge at a low price.
_______________________________________________
2. Somebody stole my camera from my hotel room.
________________________________________________
3. Where did you take the photos of these wolves
________________________________________________
4. The guide warned them not to climb the mountain in bad weather.
_____________________________________________________________
5. Different writers translated the book into different languages.
____________________________________________________________
The fridge was sold at a low price.
My camera was stolen (by somebody) from my hotel room.
Where were the photos of these wolves taken (by you)
They were warned not to climb the mountain in bad weather (by the guide).
The book was translated into different languages (by different writers.)
4a
Rewrite the sentences using the passive voice.
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.
were invited
were brought
was locked
rang
broke
were told
were eaten
liked
eat lock
like ring
invite break
tell bring
4b
Complete the sentences with the correct forms of the verbs in the box.
The telephone ______________(invent) by Alexander Graham Bell. He __________(born) in 1847. Mr. Bell ___________(work) on the invention of the telephone with Thomas Watson. 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.
was invented
was born
worked
learned
was invented
was said
is used
4c
Decide whether active or passive forms should be used
in these sentences. Write the correct forms in the blanks.
1. at a low price 以低价
e. g. The fridge was bought at a low price. 这个冰箱是低价买的。
2. translate… into… 把……译成……
e. g. The book was translated into French. 这本书被译成了法语。
3. all of a sudden = suddenly 突然
e. g. An earthquake took place all of a sudden in Sichuan. 一场地震突然 发生在四川。
Language Points
一、用所给词的适当形式填空
1. The plane _________ (remain) on the ground more than two hours
because of the bad weather.
2. Lots of food and water __________(send) to the place immediately after
the earthquake happened.
3. Flowers ____________ (plant) along the road last year.
4. —Have you finished your project
—Not yet. I’ll finish it if I _____________(give) ten more minutes.
5. The Chinese writer’s new book ______________(translate) into English
as soon as it came out.
remained
were sent
were planted
Exercise
will be given
was translated
二、按要求完成句子
1. You brought your English book to school yesterday. (改为被动语态)
Your English book _______ _________ to school yesterday.
2. Your bag was put here. （改为否定句）
Your bag _______ _______ here.
3. Peter was allowed to take the test. (改为一般疑问句)
_______Peter ________ to take the test
4. We sent the letter to the manager right away. （改为被动语态）
The letter _______ _______ to the manager right away.
was brought
wasn’t put
Was allowed
was sent
1. Make sentences using passive voice. (at least 5
sentences)
2. Recite Grammar Focus.
Homework