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第一PPT > PPT課件 > 英語課件 > 人教版九年級英語上冊 > 《When was it invented?》PPT課件8

《When was it invented?》PPT課件8

《When was it invented?》PPT課件8 詳細(xì)介紹:

《When was it invented?》PPT課件8《When was it invented?》PPT課件8

《When was it invented?》PPT課件8

Lead in 

Talk about the inventions(發(fā)明).

Which one do you think is the most helpful in our daily life?

Role-play the conversation. 

Read the passage quickly and answer the questions.

1. What is the subject for their school project? 

2. What  kind of invention does Roy think of?

3. Why does Roy think  it is a great invention? 

4. Who and when was the zipper invented? 

5. When did the zipper become popular? 

... ... ...

Complete the sentences with the correct forms of the verbs in the box. 

invent,  drink,  bring,  produce,  trade

1.One of the world’s favorite drinks was________ by accident.

2.Tea was first ________ by Shen Nong 5,000 years ago.  

3.A nice smell was _________ when the tea leaves dropped into the hot water. 

4. Tea was__________ to Korea and Japan during the 6th and 7th centuries. 

5.Tea is now ________ between many different countries. 

... ... ...

The simple past passive voice

一般過去時(shí)被動語態(tài)

一般過去時(shí)被動語態(tài)表示過去經(jīng)常性、習(xí)慣性被動動作或過去某一時(shí)刻發(fā)生的被動性動作,與主動語態(tài)相比,被動語態(tài)中主語是謂語動作的執(zhí)行者。 

被動語態(tài)的構(gòu)成:

助動詞was/were+ (及物動詞的) 過去分詞 

was (were) + done

用所給動詞的正確形式填空:

1. The bike __________(fix) up by Xiaoming yesterday.

2. Shields ________ (use)  for protecting people’s body in the past.

3. Last year, a picture _________(put) up on the  blackboard.

4. She said French______________ (speak) in France.

5. Teenagers _______________(allow) to  choose their own clothes two years ago.

... ... ...

Homework

Suppose you are alone on a tiny island. What inventions would you like to have on the island with you? Write a short passage.

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