内容正文:
Section A GF-4c
Unit 6
When was it invented?
典例探究
Jim's wallet was stolen yesterday.
The computer was invented in 1971
The telephone was invented in 1876.
The TV was invented in 1927.
Cars were invented in 1885.
一般过去时的被动语态:
was/were+及物动词的过去分词
要点分析
何时用一般过去式的被动语态:
当动作发生在过去且句子的主语是谓语动词的 时;
一般过去时被动语态的结构:
主语+be( )+及物动词的 。
承受着
was/were
过去分词
要点分析
一般过去时被动语态中be动词的使用:
当主语是第一或第三人称单数或不可数名词时,be动词要用 。
当主语是第二人称或复数时,be动词要用 。
was
were
Last March,many trees were planted along the street.
The house was built in 1989.
The books were written by Lu xun .
When was the zipper invented? It was invented in 1893.
Who was it invented by? It was invented by Whit comb 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.
Grammar Focus
单击此处编辑母版文本样式
第二级
第三级
第四级
第五级
被动语态 (Passive Voice)
结构: be + done(过去分词).
am / are / is +动词的过去分词
was / were +动词的过去分词
一般现在时的被动语态:
一般过去时的被动语态:
主动句变为被动句所遵循的4个步骤:
1. 把原主动句中的宾语变为被动句的主语。
2. 把动词变为被动形式即be+过去分词,并注意其人称和数随主语的变化,而动词的时态则保持不变。
3. 原主动句的主语如需要则放在by后面以它 的宾格形式出现(注代词的宾格),如不需要则可省略。
4. 其它的成分(定语、状语)不变。
Maria bought the book last year. (主动句)
The book was bought by Maria last year.
When was the book bought by Maria?
What was bought by Maria last year?
被动句:
让我们看一看各种句型的主动语态变为被动语态时,到底发生了什么变化?
被动语态的几种句型
肯定句 主语 + be + 过去分词 + (by…)
A sweet song was sung by her on the stage.
否定句 主语 + be + not +过去分词 + (by…)
一般疑问句 Be + 主语 +过去分词 + (by…)?
A sweet song wasn’t sung by her on the stage.
Was a sweet song sung by her on the stage?
特殊疑问句 疑问词 + be + 主语 +过去分词 + (by…)?
Where was a sweet song sung by her?
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。
The fridge was sold by them
at a low price.
Rewrite the sentences using the passive voice.
1.They sold the fridge at a low price.
4a
My camera was stolen by somebody
from my hotel room.
Where were these photos
taken by you?
2. Somebody stole my camera from my hotel room.
3. Where did you take these photos?
We were advised not to go out alone
by our parents.
The book was translated into different
languages by different writers.
4. Our parents advised us not to go out alone.
5. Different writers translated
the book into different languages.
4b 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
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
将下列句子变为被动语态。
1. He chose six story books the other day.
Six story books _____ _______ by him the other day.
2. Uncle Lee gave Jack a large cake for he painted the wall wonderfully.
Jack _____ _____ a large cake for he painted the wall wonderfully.
练一练
was given
were chosen
3. A mouse ate half of the cake last night.
Half of the cake _____ _____ by a
mouse last night.
was eaten
将下列句子变为主动语态。
4. Were these machines invented by Edison?
_____ Edison _______ these machines?
Did invent
5. The post card was sent to Linda by Paul.
Paul _____ the post card ___ Linda.
6. America was discovered by Columbus.
Columbus __________ America.
sent to
discovered
对划线部分提问
7. Shoes with lights were used for seeing in the dark.
_____ ______ shoes with lights ______ for?
8. Paper was invented in China almost a thousand years ago.
______ _____ paper _________ in China?
used
What were
When was invented
1. The boy lost his parents during the last year’s__________ (地震).
2. The students were asked to __________(翻译) the story into English.
3. The police found the lost boy under the destroyed house through an _________(仪器)。
earthquake
translate
instrument
4. I only have some ________(饼干) and a glass of milk every morning.
5. If you can’t eat all these fruit , you may put some into your _________ (冰箱).
biscuits
fridge
The mobile phone has influenced people’s life a lot since it ____.
A. invents B. invented
C. is invented D. was invented
2. _____ is waiting for you at the gate. He wants to say thanks to you.
A. Somebody B. Anybody
C. Everybody D. Nobody
D
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
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