Unit 6 When was it invented? SectionA 1a-1c 课件(共29张PPT)

(共29张PPT)
Section A
Period 1 (1a—1c)
When was it invented
Unit6
compass
printing
paper-making
gunpowder
Compass was invented in Warring States Period. It was invented by Chinese. It was used for traveling and sailing.
Paper-making was invented in Eastern Han. It was invented by Cai Lun. Paper was used for writing.
Printing was invented in Song. It was invented by Bi Sheng . It was used for making books.
Gunpowder was invented in Han. It was invented by Chinese. It was used in wars.
1a Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4](1=first,4=last)
1
2
3
4
1b Listen and match the inventions with the years.
a
b
c
d
When was the
...invented
1876
1885
1927
1971
a
c
b
d
1927
Matching
1885
1876
1971
The
telephone
was
invented
in (1)________
The TV
(television)
1885
1971
Fill in the blanks
(2)______
(3)______
(4)______
1876
The car
1927
The
computer
1c Pairwork
A: When was the … invented B:I think it was invented in ….
computer
1971
car
1885
TV
1927
telephone
1876
A: What is it used for
B: It is used for…
When was it invented
It was invented in…
Who was it invented by？
It was invented by…
iphone 6
2014年
Jobs(乔布斯)
When was it invented
It was invented in…
Who was it invented by
It was invented by…
iphone 5
2012年
Jobs(乔布斯)
When was it invented
It was invented in…
Who was it invented by
It was invented by…
iphone 4
2010年
Jobs(乔布斯)
was/were invented in + 年份
在某某年被发明
was/were invented by + 人
被某某人发明
The hybrid(杂交) rice(不可数名词)
was invented by Yuanlongping.
如果主语是____________ 或者
_________时，be动词用 was;
如果主语是_____________时，be动
词用 were。
可数名词单数
不可数名词
可数名词复数
1， 一般过去时的被动语态，以invent为例
be invented by+人 由…人发明
be invented in+年 在…年被发明
2, 当主语为不可数名词或者可数名词单数
时，be动词用was；当主语为可数名词
复数时，be动词用were。
Conclusion
Language points
(一般过去时的被动语态的结构为“was/were + 及物动词的过去分词”)。
eg： These trees were planted last year.
The car was bought yesterday.
1.invent做动词，意为“发明，创造”，指发明以前没有的新东西。当物做主语时，常用被动语态。was invented意为“被发明”，此结构为一般过去时的被动语态。
invention名词，意为“发明物”；inventor名词，意为“发明家，发明者”。
eg.：Edison, a great inventor, invented many great inventions during his life.
2.They are used for seeing in the dark.
be used for doing sth.表示“被用来做某事”。与be used to do sth. 同义。表示用途、目的。
e.g. This computer is used to control all the machines. 这台电脑是用来控制所有机器的。
Do you know what this tool is used for
你知道这个工具是用来做什么的
used to do sth. 过去常常做某事
used to be 过去是/过去怎么样
be /get used to sth./doing sth.习惯于某事、干某事
Passive voice of the past tense
一般过去时的被动语态
肯定形式：主语+ +其他
否定形式：主语+ +其他.
一般疑问形式： +主语+ +其他
特殊疑问形式：
特殊疑问词+ +主语+ +其他
Summary
was/were done
was/were not done
Was/were
done
was/were
done
用所给动词的正确形式填空：
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.
was fixed
were used
was put
was spoken
were allowed
Practice
单项选择
（ ）1.The kind of cup is used_______ drinking.
A.to B.as C.by D.for
（ ）2.My mother and my sister kept on talking, but my father________silent all the time.
A.got B.kept
C.turned D.looked
D
B
（ ）3.I think the short story ______by Lu Xun.
A. is writing B. is written
C. written D. was written
（ ）4.--Who_____the electric light lamp_____ —Edison.
A. was;invented B.is;invented
C. was;invented by D.did;invented by
D
C
1.People use knives for cutting things.
Knives ______ ______ for cutting things.
2.The students clean the windows of their classroom twice a month.
The windows of their classroom______ _______ twice a month.
are used
are
cleaned
(变被动语态）
3.I found the ticket on the floor.
______ ______ ______ ______ on the floor.
4.I told her to return the book in time.
She ______ _______ to return the book in time.
The ticket was found
was told
3. We found the ticket on the floor .
5.The teacher asked Tom to turn on the computer.
Tom _______ ________ to turn on the computer.
6.In this factory women do most of the work.
Most of the work _______ ________ by women in this factory.
was asked
is done
Do you think what the most interesting invention is Discuss it with your partners.
Homework
创造使生活更美好！
No inventions, no life!