(共24张PPT)
Unit 6
When was it invented
Section A (1a-1c)
学习目标
一、通过问答，掌握以下句型：
1. A: When was the telephone invented
B: I think it was invented in 1876.
2. A: What are they used for
B: They’re used for seeing in the dark.
二、1.正确运用被动语态谈论重要的发明的历史和用途。
2.掌握一般过去时态的被动语态,由 was/were +过去分词构 成。学会单词invent, 以及be used for 的用法
四、通过熟悉我们周围经常使用发明物的历史来开阔眼界，丰富自己的阅历，使自己养成勤于思考，善于总结的好习惯。
Thomas Edison was a great American inventor.
He invented more than
2000 inventions in his life.
发明,创造 v.
发明家 、发明者n.
发明、发明物 n.
Thomas Edison
light bulb
I .Get close to the inventions
The trees were planted here last year.
这些树去年（被）种植在这里。
The tree was planted here last year.
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
Do you know what they are
paper-making
Four Great Inventions in ancient China
printing
compass
gunpowder
Do you know what the most useful inventions are in our life
What order do you think they were invented
A: I think the was invented
before .
B: Well, I think the was
invented after .
I think the TV was invented before the computer.
Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4].
1a
2
3
1
4
Listen and match the inventions with the years.
1b
___ 1876
___ 1885
___ 1927
___ 1971
d
a
c
b
Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again.
1c
When was the telephone invented
I think it was invented in 1876.
What’s this
Who was it invented by
When was it invented
It’s a light bulb.
It was invented by Edison
I think it was invented in 1879.
presentation
1879
Pair work
Bell
1876
A: What’s this
B: It’s …
A: When was it invented
B: I think it was invented …
A: Who was it invented by
B: It was invented by …
Pair work
Karl Benz
1885
A: What …
B: …
A: When …
B: I think …
A: Who …
B: …
1927
Baird
1971
A: What …
B: …
A: When …
B: I think …
A: Who …
B: …
Pair work
Ted Hoff
Ⅰ.一般过去时的被动语态:
was / were + 动词的过去分词
Who was it invented by
It was invented by …
When was it invented
It was invented …
Summary
Ⅱ. Key sentences:
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
Exercises.
根据汉语意思填空
1.飞机是谁发明的？
Who the plane by
2.飞机是莱特兄弟发明的。
The plane by the Wright brothers.
3.电话是什么时候发明的？
When the telephone
4.电话是1876年发明的。
The telephone invented 1876.
5.《圣诞欢歌》是谁写的？
Who A Christmas Carol written
was
invented
was
invented
was
was
was
invented
in
by
6. 纸是中国发明的。
Paper _____ ________ (invent) in China.
7. 这栋大楼是去年建造的。
The buildings ______ ______ (build) last year.
8. The telephone was invented in 1876 . (就划线部分提问)
_______ _____ the telephone _________
9.《圣诞欢歌》是查尔斯.狄更斯写的。
It by Charles Dickens.
10.这些树是什么时候种的？
When the trees planted
was invented
were built
When was invented
was
written
was
Homework
Talk an invention you like with your partner and write at least five sentences about the invention.
Thank you ! Bye !
