《When was it invented?》PPT课件21
《When was it invented?》PPT课件21
Words and expressions
n.冰箱 /fridʒ/fridge
adj. 低的；矮的 /ləu/low
pron. 某人 n. 重要人/'sʌmbədi/somebody
v.翻译 /træns'leit/translate
v.锁上；锁住 n.锁 /lɔk/, /la:k/lock
v. 发出铃声；打电话 /riŋ/ring
n.地震 /'ə:(r) θkweik/earthquake
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Revision
When were the following things invented? Choose the right time.
What are these and what are they used for?
shoes with special heels changing the style of the shoes
shoes with lights serving really cold ice-cream
hot ice-cream scoop seeing in the dark
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一般过去时的被动语态
1.一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
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
示例
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
3. 含双宾语和复合宾语的主动句变为被动语态的方法
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
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.
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4a Rewrite the sentences using the passive voice.
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?
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.
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Explanation
1.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。
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Exercises
I. 单项选择。
1.(2013.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. (2013.上海) _____ is waiting for you at the gate. He wants to say thanks to you.
A. Somebody B. Anybody
C. Everybody D. Nobody
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
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II. 将下列句子改为被动语态。
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.
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.
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Homework
Master what you have learned in this lesson. Learn to talk about the history of inventions with thepassive voice in the simple past tense .
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