2. Unit 9 when was it invented ? The first period

3. 提示： 1. take some things in the classroom. 2. ask students what are these things. 3. then invent a useful thing with the things. 4. ask the students what it is ? Guess ? 5. tell the answer  MP8

4. My great invention---9 What’s the name of it? 1.invent---v 2.inventor---n 3.invention---n What’s the use? 4. can calculate---v 5.name---calculator---n 6.calculation---n 7.translate 8.translator 9.translation 250+250=? W.C--- means ? MP8

5. Questions---4 1.What’s the name of the thing (invention)? 2.When was it invented? It was invented just now. 3.Who was it invented by? It was invented by Mr Liu. 4.What is it used for ? It is used for translating, calculating, flying, making a call and learning English. be used for doing … 被用来做 … It is called MP8

6. Make sentences: The telephone was invented before the car. The car was invented after the telephone. 52 4 13 1a---number the pictures

7. Let’s look and talk

8. name?---when?--- who?

9. When was it invented? It was invented in 1885 Who was it invented by ? It was invented by Karl Benz. Karl Benz. car 1885

10. light bulb name?---when?--- who?

11. It was invented in 1879 Who was it invented by ? It was invented by Edison. Edison light bulb When was it invented? Let’s look and talk 1879

12. 1b Listen and match the inventions with the dates. a b e d c 1876 1885 1927 1971 1976 d a b e c

13. pairwork Read the model and then make your own conversation

14. A: What is this called in English ？ B: It is called the telephone. A: When was the telephone invented? B: It was invented in 1876. A: What is it used for? B: It is used for talking with others. A : Who was it invented by? B: It was invented by Bell. be used for doing … 被用来做 …

15. 1876 Bell Pairwork telephone When ? Who ? What ? Talking with the people far away.

16. Beld 1927 Tv set Watching and learning many things in the world. When, who, what use?

17. car travelling. in 1885 Carl Bens When, who, what use?

18. 1971 Kelif calculator calculating When, who, what use?

19. 被动语态 The passive voice. 被动语态 MP8 It was invented just now. It was invented by Mr Liu. It is used for translating, calculating, flying and making a call. 结构： be + V. pp 即.be+ 动词过去分词 …

20. The passive voice. 被动语态 主动语态改被动语态 : Bellinvented the telephone in 1876. was by

21. 主动句与被动句之间的 转换 I cleaned the blackboard. 主语 + 谓语动词 + 宾语 The blackboard was cleaned ( by me ) 主语 + 谓语动词 + 介词 + 宾语

22. summary 1. we learned some new words. 2. we also learned sentences patterns. 3. we also the grammar---passive voice. 4. 训练与作业

23. 将下列句子由主动句变为被动句或由被动句变为主 动句： 1)Zheng Jie invented this pen. 变被动句. 2) Teachers allow students to drink in class. This pen was invented Zheng Jie. Students are allowed to drink in class.

24. homework--------music in 1885 Carl Bens travelling When, who, what use? 三问三答 ----- 六句

25. Good bye !