《When was it invented?》PPT課件8
Lead in
Talk about the inventions(發明).
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
一般過去時被動語態
一般過去時被動語態表示過去經常性、習慣性被動動作或過去某一時刻發生的被動性動作，與主動語態相比,被動語態中主語是謂語動作的執行者。
被動語態的構成:
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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