When was it invented?

Unit 9

Language goal:

Learn to talk about

history of some

light bulblight bulb

inventioninvention

EdisonEdisoninventorinventor

Edison invented the light bulb.

Edison invented the light bulb.

The light bulb was invented by Edison.

The light bulb was invented by Edison.

Bell invented the telephone.Bell invented the telephone.

___________ was invented by ___.___________ was invented by ___.The telephone

Bell

Karl Benz invented the car.Karl Benz invented the car.

______ was invented by _______.______ was invented by _______.The car

Karl Benz

1 2 3

4 5

1876

1885 1927

1971

1976

A: Who was the _______ invented by?

B: It was invented by ______.

A: Who was the _______ invented by?

B: It was invented by ______.

RevisionRevision

Carl Benz Bell

RevisionRevision

A: Who were the _______ invented by?

B: They were invented by ______.

A: Who were the _______ invented by?

B: They were invented by ______. Edison

A: When was the _______ invented?

B: I think it was invented in ______.

A: When was the _______ invented?

B: I think it was invented in ______.

Pairwork (1c:P68)Pairwork (1c:P68)

1976188518761927

(A chant)Inventions, inventions, inventions

Let’s talk about inventions !

The computer, computer, computer,

When was it invented ?

The computer, computer, computer,

was invented in 1976 .

The calculator, calculator, calculator

When was it invented ?

The calculator, calculator, calculator

was invented in 1971 .

The television, television, televisionWhen was it invented ?The television, television, television was invented in 1927.The motorcar, motorcar, motorcarWhen was it invented ?The motorcar, motorcar, motorcar, was invented in 1885.The telephone, telephone, telephoneWhen was it invented ?The telephone, telephone, telephone was invented in 1876 .

A: What is the _______ used for?

B: I think it is used for _______________.

A: What is the _______ used for?

B: I think it is used for _______________.talking with people

A: What is the _______ used for?

B: I think it is used for ___________.

A: What is the _______ used for?

B: I think it is used for ___________. (count)counting

A: What are the ________ used for?

B: I think they are used for __________________ .

A: What are the ________ used for?

B: I think they are used for __________________ .working in the dark

(work in the dark)

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. 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

一般现在时

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. 一般过去时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

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

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

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 special pen. 变被动句

2)The bike was fixed up by Jimmy. 变主动句

3) People use sunglasses to protect their eyes.

4) Teachers allow students to put up hands in

class.

This special pen was invented Zheng Jie.

Jimmy fixed up the bike

Sunglasses are used (by people) to protect eyes.

Students are allowed (by teachers) toput up hands in class.

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 ?

就下列句子的画线部分提问：

4.Q: _______________________

A: The helicopter was invented in 1939.

5Q: _______________________

A: The washing machine was invented by

Fisher.

When was the helicopter invented ?

Who was the washing machine invented by ?

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

It is a helpful invention.

Because it can help see clearly in

the dark.

alarm clock

It’s an annoying invention.

Because it wakes me up when I’m sleeping.

1.What is the article about ?

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.

1.Although tea wasn’t brought to the Western world until 1610, this beverage was … … before that.

2.Some leaves from a nearby bush fell into the water and remained there for some time.

3. The emperor noticed that the leaves in the water

produced a pleasant smell.

4. And in this way, one of the world’s favorite

drinks was invented.

虽然茶直到 1610 年才被带到西方，但在那之前的三千多年这种饮料就已经被发明了。

来自附近灌木丛的一些树叶落入水中并且在水中保留了一段时间。

神农帝注意到水中的叶子散发出一种令人愉快的味道。

就这样，世界上特别受人喜爱的饮料之一被发明了

not… … until… … 直到… …才… …

e.g. 1) They didn’t finish the work until

Mike came back. 他们直到 Mike 回来才完成工作。

他直到十点才回来。 2) He didn’t come back until 10 o’clock.

他们到下个礼拜天才会来。 3) They won’t come until next Sunday.

你们到下午五点才能回家。 4) You can’t go home until 5 p.m.