1. UNIT9
When was it invented?
淮北市第四中学 王莉

2. inventions Language goal:Learn to talk about history of some gunpowder
printing
compass
papermaking

3. light bulb invention Edison inventor Edison invented the light bulb.
The light bulb was invented by Edison.
Edison
inventor

4. Bell invented the telephone.
___________ was invented by ___.
Bell

5. Karl Benz invented the car.
______ was invented by _______.
Karl Benz

6. 1 2 3 4 5

7. Listening (1b: P68)
1885
1927
1976
1971
1876

8. Revision A: Who was the _______ invented by?
B: It was invented by ______.
Carl Benz
Bell

9. Revision A: Who were the _______ invented by?
B: They were invented by ______.
Edison

10. Pairwork (1c:P68) A: When was the _______ invented?
B: I think it was invented in ______.
1927
1885
1976
1876

11. (A chant) The television, television, television
When was it invented ?
was invented in 1927.
The motorcar, motorcar, motorcar
When was it invented ?
The motorcar, motorcar, motorcar,
was invented in 1885.
The telephone, telephone, telephone
was invented in
Inventions, inventions, inventions
Let’s talk about inventions !
The computer, computer, computer,
When was it invented ?
was invented in
The calculator, calculator, calculator
was invented in

12. A: What is the _______ used for?
B: I think it is used for _______________.
talking with people

13. A: What is the _______ used for?
B: I think it is used for ___________.
(count)
counting

14. A: What are the ________ used for?
B: I think they are used for __________________ .
working in the dark
(work in the dark)

15. 被动语态：当主语为动作的承受者时，用被动语态。结构：be+动词过去分词
1) We clean the classroom every day.
一般现在时
The classroom is cleaned (by us)… …
2) Teachers allow students to wear their
own clothes.
Students are allowed (by teachers) to
wear their own clothes.
一般现在时

16. 一般过去时
3) Bell invented the telephone .
The telephone was invented by Bell.
一般过去时
4) Tom invited me to the concert.
I was invited (by Tom) to the concert.
被动语态用于其他时态：
5) The work will be finished next week.
6) The children are being taken good care of.
8) My car has been repaired.
一般将来时
现在进行时
现在完成时

17. 含有情态动词的被动语态：
1) Teenagers should be allowed to get their
ears pierced.
2) This must be done as soon as possible.
3) It can be repaired.
结构：情态动词＋be+动词过去分词

18. 部分常见的不规则动词： go-went-gone do-did-done have/has-had-had take-took-taken
eat-ate-eaten see-saw-seen
speak-spoke-spoken am/is/are-was/were/been
hear-heard-heard teach-taught-taught
wake-woke-waken bring-brought-brought
write-wrote-written draw-drew-drawn

19. Zheng Jie invented this special pen.变被动句
将下列句子由主动句变为被动句或由被动句变为主动句：
Zheng Jie invented this special pen.变被动句
This special pen was invented Zheng Jie.
2)The bike was fixed up by Jimmy. 变主动句
Jimmy fixed up the bike.
3) People use sunglasses to protect their eyes.
Sunglasses are used (by people) to protect eyes.
4) Teachers allow students to put up hands in
class.
Students are allowed (by teachers) to
put up hands in class.

20. 1.Q:__________________________ A: The stove was invented in 1896.
就下列句子的画线部分提问：
1.Q:__________________________
A: The stove was invented in 1896.
2.Q: ___________________________
A: The Wright brothers invented the plane.
3.Q: ___________________________
A: The washing machine is used for washing
clothes.
When was the stove invented ?
Who invented the plane ?
What is the washing machine used for ?

21. 就下列句子的画线部分提问：
When was the helicopter invented ?
4.Q: _______________________
A: The helicopter was invented in 1939.
5Q: _______________________
A: The washing machine was invented by
Fisher.
Who was the washing machine invented by ?

22. 用所给动词的正确形式填空：
1) The bike __________(fix) up by Xiao
Ming yesterday.
2) Sunglasses __________ (use) for
protecting people’s eyes.
3) A picture _________(put) up on the
blackboard.
4) French___________ (speak) in France.
5) Teenagers should _________(allow) to
choose their own clothes.
was fixed
are used
is put
is spoken
be allowed

23. It is a helpful invention.
Because it can help see clearly in the
dark.

24. alarm clock
It’s an annoying invention.
Because it wakes me up when I’m sleeping.

25. 1.What is the article about ?
opening
6) Keys are used for _______(open) the
door.
It’s about the invention of tea.
2.When was it invented ?
It was invented over three thousand years
before 1610.
3.Who was it invented ?
It was invented by the emperor Shen Nong.
4. How was it invented ?
It was invented by accident.