山东省青岛市城阳区第七中学九年级英语全册 Unit 9 When was it invented课件 人教新目标版.ppt
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1、Unit 9 When was it invented?,读读译译,看看你会发现什么?,*Teenagers should be allowed to choose their own clothes. *Im allowed to go shopping with my friends. *Your donation is greatly appreciated and the money is well used to help disabled people like me. *The movie will be put off until next month. *Hold on to
2、 your dreams ,one day they will be achieved. *After the earthquake, a lot of money was given away to charities. *The dog has been trained to understand different instructions.,被动语态,The Passive Voice,be + done,被动语态的基本结构:,有各种时态的变化,1.被动语态的构成,英语动词有两种语态: 主动语态 (the Active Voice) 被动语态 (the Passive Voice),A
3、. 主动语态表示主语是动作的执行者。,B. 被动语态表示主语是动作的承受者。,We planted the tree.,The tree was planted by us.,We speak English.,主语,谓语,宾语,English is spoken by us.,主语,谓语,宾语,主动语态,被动语态,They cleaned the classroom yesterday. 昨天他们打扫了教室。 The classroom was cleaned by them yesterday. 昨天教室被他们打扫了。,1. Now English _ by more and more p
4、eople all over the word. A. speaks B. is spoken C. was spoken,一般现在时的被动语态: am / is / are + done,2. The lost boy _ at the street corner last night. A. was found B. is found C. was looked for,一般过去时的被动语态: was / were + done,3. More man-made satellites _ in the future. A. will send up B. will be sent up C
5、. are sent up,一般将来时的被动语态: will + be + done be going to + be + done,4. Three bridges _ since last year. A. have built B. were built C. have been built,现在完成时的被动语态:have/ has+ been + done,5. Flowers _ every day. A. has been watered B. should be watered C. should water,含有情态动词的被动语态: 情态动词 + be + done,1. Th
6、omas Edison invented the light bulb. 2. The boy didnt throw the stone just now. 3. Mr Bush took some photos in Paris. 4. I cant repair the broken kite.,将下列句子改为被动语态,The light bulb was invented by Thomas Edison.,The stone wasnt thrown by the boy just now.,Some photos were taken by Mr Bush in Paris.,Th
7、e broken kite cant be repaired by me.,Period 1,Section A,Four ancient(远古的, 旧的)inventions,compass,gun powder,printing,paper,abacus,inventions,car,Whats this called in English?,television,telephone,computer,calculator,umbrella,alarm clock,camera,microwave ovens,abacuses,binoculars,light bulbs,battery,
8、batteries,What are these called in English?,Look at the things. In what order (顺序) do you think they were invented?,A: I think the calculator was invented before the computer. B: Well, I think the calculator was invented after the computer.,1a,A: I think was invented before B: Well, I think was inve
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