Section A Grammar-4c Unit 6When was it invented 课件(共25张PPT)

(共25张PPT)
Section A
Grammar-4c
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.
Passive voice in the simple past tense
Active: Alexander Graham Bell invented the telephone
in 1876.
Passive: The telephone was invented (by Alexander
Graham Bell) in 1876.
Grammar Focus
一般过去时的被动语态的句式结构
肯定句 主语+was/were+及物动词的过去分词（ + by…）
否定句 主语+was/were + not+及物动词的过去分词（+ by…)
疑问句 Was/Were+主语+及物动词的过去分词（+by …)
特殊疑问词+was/were+主语+及物动词的过去分词（ + by...)
2. 一般过去时的被动语态的基本用法
用法 示例
表示过去某一具体时间发生的动作，且句子的主 语是谓语动词动作的承受者 The house was built in 1990.
这所房子建于1990年。
讲述发生在过去的动作，且不知道动作的执行者 He was honored with the name “ Father of Hybrid Rice”.
他被授予“杂交水稻之父”的称号。
①含有双宾语的主动句变为被动语态时，通常把指 “人”的间接宾语变为主语，而指“物”的直接宾语则不变
He gave me a book yesterday.
I was given a book (by him) yesterday
3. 含双宾语和复合宾语的主动句变为被动语态的方法
②如果要把指“物”的直接宾语变为主语，则在
间接宾语前加to或for
I brought him some food
Some food was brought to him (by me).
③含有复合宾语的主动句变为被动语态时，要
将其中的宾语变成主语，宾语补足语不变
Jim asked Tom to go for a walk.
Tom was asked (by Jim) to go for a walk.
④ 如果宾语补足语是不带to的动词不定式，
主动语态变成被动语态时要加上不定式符
号 to
We often heard Kate sing in the room.
Kate was often heard to sing in the room
(by us).
Rewrite the sentences using the passive voice.
They sold the fridge at a low price.
The fridge was sold at a low price.
Somebody stole my camera from my hotel room.
My camera was stolen from my hotel room.
4a
3. Where did you take these photos
Where were these photos taken
4. Our parents advised us not to go out alone.
We were advised not to go out alone by our
parents.
5. Different writers translated the book into
different languages.
The book was translated into different
languages by different writers.
Complete the sentences with the correct forms of the verbs in the box.
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.
eat lock like ring invite
break tell bring
were invited
were brought
4b
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
were told
broke
were eaten
liked
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. Mr. Bell ________ (work) on the invention of the telephone with Thomas Watson. In 1875, Mr. Bell_______ (learn) how to send musical notes
was invented
was born
worked
learnt
4c
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 said
is used
language points
They sold the fridge at a low price.
他们以低价出售这台冰箱。
low形容词，意为“低的；矮的”，
常用短语 at a low price 意为“以低价”。
She jumped over the low wall.
她跳过了那堵矮墙。
This sweater is on sale at a low price
这件毛衣正以低价出售。
2. Somebody stole my camera from my hotel room.
有人从我的宾馆房间里偷走了照相机。
somebody不定代词，意为“某人；重要人 物”，
用于肯定句中。作主语时谓语动词用单数形
式，其同义词为someone。
There is somebody waiting to see you.
有人在等着见你。
anybody不定代词，意为“有人”，常用于否定句
和疑问句中；用于肯定句中意为“任何人”。
Is there anybody who can help me
有人能帮我吗？
Anybody can do the work well.
任何人都能把这项工作做好。
3. The earthquake happened all of a sudden,
but luckily the villagers were brought to a
safe place.
突然发生了地震，但幸运的是,村民们被带到
了一个安全的地方。
sudden (happening quickly and
unexpectedly) 形容词，意为“突然(的)”。
There was a sudden change in the weather.
天气突然变了。
(2) all of a sudden意为“突然；猛地”，相当于副词 suddenly。
He came to us all of a sudden.
=He suddenly came to us.
他突然朝我们走来。
(陕西)The mobile phone has influenced people’s life a lot since it ____.
A. invents B. invented
C. is invented D. was invented
2. (上海) _____ is waiting for you at the gate. He wants to say thanks to you.
A. Somebody B. Anybody
C. Everybody D. Nobody
D
I. 单项选择。
A
3. At the end of the meeting Miss Green ___
two minutes to decide whether she should
join the project or not.
A. gave B. give
C. was given D. was giving
4. The mixture smelt terrible but Tom ____
taste it.
A. was made to B. was made
C. made to D. made
C
A
5.—Did you go to Jack’s birthday party
—No, I____.
A. am not invited B. wasn’t invited
C. haven’t invited D. didn’t invite
6.The book Business @ the Speed of Thought
_____ in 1999.
A. writes B. is written
C. wrote D. was written
B
D
7. ___a new library ____ in your school
last year
A. Is; built B. Was; built
C. Does; built D. Did; built
8. The earth is our home. It ______well.
A. must be protected B. should protect
C. need protect D. should protected.
B
A
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.
II. 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.
I was bought a new CD player by my
mother. /
A new CD player was bought for me by
my mother.
5. We saw Jim come in.
Jim was seen to come in.
Homework
Master what you have learned
In this lesson. Learn to talk about
The history of inventions with the
Passive voice in the simple past tense .