(共34张PPT)
将下列句子变成被动语态
1.School allows students to choose their own clothes.
2.We use knives to cut.
3.We speak Chinese.
4.School doesn’t allow students to smoke.
Students are allowed to choose their own clothes.
Knives are used to cut.
Chinese are spoken by us.
Students aren’t allowed to smoke.
Section A (1a-2d)
We are lucky. We live in the modern world. We can enjoy our lives. If we feel bored. We can watch TV for having fun. If we want to America. We can go there by plane. If we don’t want to wash our clothes by hands. We can use washing machines. Do you know what four great inventions in ancient China are
Four great inventions in ancient China:
Paper-making(造纸术）
Compass（指南针）
Printing（印刷术）
Gunpowder（火药）
试一试 :Translate
翻译以下年份
nineteen seventy- one_________
eighteen eighty-five_________
two thousand and fourteen _________
2008_________________
1927_________________
1971
1885
2014
two thousand and eight
nineteen twenty- seven
Explanation
年份的读法：两位在一起读。
E g.1976
1900
2000
Read the following years
1745
1305
246
nineteen seventy-six
nineteen hundred
two thousand
seventeen forty-five
thirteen and five
two hundred and forty-six
连一连
the paper making Wright Brothers 1879
(造纸术) （莱特兄弟）
plane Steve Jobs A.D.105
（斯蒂夫.乔布斯）
iPad Cai Lun 1903
light bulb Thomas Edison 2010
（电灯） (托马斯.爱迪生)
inventions inventors time
plane
Wright Brothers
1903
A. Wright Brothers _________________
Sentences:
invented the plane in 1903.
B. The plane _________________
was invented by Wright Brothers in 1903.
iPad
Steve Jobs
2010
A. Steve Jobs
Sentences:
invented the iPad in 2010.
B. The iPad
was invented by Steve Jobs in 2010.
light bulb
Edison
1879
A. Edison
Sentences:
invented the light bulb in 1879.
B. The light bulb
was invented by Edison in 1879.
Listen to some pieces of voice and read the short passages , guess what they are.
通过听声音或文字描述猜一猜“它是什么”.
Listen and guess
Here is a box with a beautiful glass face. You can see different people in different countries in it. You can watch cartoons and soap operas .
Here is aslo a box with beautiful glass face. It looks like a TV, but it isn’t. It can help work and study. It is also used for playing games .
1a. Groupwork
Look at the things below. In what orders do you think they were invented Number them [1-4]
1b. Listen and match the inventions with the years.
______ 1876
______ 1885
______ 1927
______ 1971
d
a
c
b
According to what you have listened,
answer the questions below.
1. What did the grandma have when she was young
2. Why didn’t they have a television at that time
3. Does grandma have personal computer now
Telephone and car.
Because it was expensive.
Yes, she does.
A: When was the telephone invented
B: It was invented in 1876 .
1876
1885
1971
1927
Inventions are great , but inventors are much greater.
What are they
shoes with special heels
有特殊鞋跟的鞋子
hot ice cream scoop
热的冰淇淋勺
shoes with lights
有灯的鞋子
3 new inventions
names
shoes with special heels
hot ice cream scoop
scooping really cold ice cream
shoes with lights
seeing in the dark
changing the style of the shoes
What are they used for
______
Shoes with
special
heels
_______
shoes with
lights
_______
ice cream
scoop runs
on electricity
2a.Listen and number the inventions in the order.
3
1
2
2b. Listen again and complete the chart below .
Invention What is it/are they used for
shoes with special heels _____ the style of the shoes
shoes with lights seeing ___________
hot ice cream scoop ______ really cold ice cream
changing
in the dark
serving
Invention Inventor Time Usage (用途)
telephone Bell 1876 making phone calls
computer an American 1976 getting information
light bulb Edison 1830 giving light
camera a Frenchman 1837 taking pictures
bike an Englishman 1839 riding
basketball James 1861 playing
Make conversations according to the table.
Practice:
--What’s it used for
--It’s used for…
--What is this in English
--It’s a…
2d. Role-play the conversation
Read the passage quickly and answer the questions.
What is the subject for their school project
2. What kind of invention does Roy think of
3. Why does Roy think it is a great invention
4. Who and when was the zipper invented
5. When did the zipper become popular
Small inventions that changed the world.
The zipper.
Because it is often used in our daily lives.
Whitcomb Judson in 1893.
Around 1917.
记忆力大比拼
完成下列短语：
1.带特殊后跟的鞋子_________________
2.被用作_____________
3.学校的课题题目__________________
4.在我们的日常生活中______________
5.似乎有点道理____________________
6.当然_________________________
shose with special heels
be used for
the subject for school project
in our daily lives
seem to have a point
of course
heel, electricity, style, scoop.
Structure:
Passive voice of the past tense
1. A: When was the car invented
B: It was invented in 1885.
2. A: What are they used for
B: They’re used for seeing in the dark.
Key words:
Key sentences:
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
was/were done
was/were not done
Was/were
done
was/were
done
1.Talk an invention you like with your partner.
2.Do exercises in your workbooks.
退出
