Unit 9 When was it invented?（Section A b1a-2c）

(共48张PPT)
Section A 1a---1c
Talk about the history of invention
What is it called
When was it invented
light bulb
invention
Edison
inventor
invent
What’s this called in English
television
telephone
personal computer
calculator
camera
modern inventions
It is called ….
microwave oven
abacuses
binoculars
battery
batteries
What are these called in English
old inventions
The are called….
alarm clocks
umbrellas
car
television
telephone
personal computer
calculator
alarm clock
camera
microwave oven
abacus
binoculars
light bulbs
batteries
Do you have a good memory
A: When was the telephone invented
B: Well, I think it was invented in ….
1885
1876
1927
1971
Do you know the history of the inventions
A: When were the binoculars invented
B: Well, I think they were invented in ….
1854
1871
1927
1971
Do you know the history of the inventions
A: When was the car invented
B: Well, I think it was invented in ….
1885
1876
1927
1971
Do you know the history of the inventions
A: I think … was invented before …
B: Well, I think … was invented after ….
The car was invented before the television.
A: I think … was invented before …
B: Well, I think … was invented after …
The calculator was invented after the battery.
The battery was invented before the calculator.
Look at the things. In what order (顺序)
do you think they were invented
A: I think the calculator was invented before the computer.
B: Well, I think the calculator was invented after the computer.
1a
Listen and match the inventions with the dates.
a
b
e
d
c
1876___
1885___
1927___
1971___
1976___
d
a
b
e
c
1b
1
3
4
2
5
Answer : the right order they were invented
The telephone was invented the earliest. Then_______was invented after the telephone….
in 1927
A: What is this called in English
B: It is called a television.
A: When was the television invented
B: It was invented in 1927.
in 1976
in 1971
in 1885
in 1876
in 1827
in 1871
in 1854
in 1800
Section A 2a---2c
Talk about the history of inventions
Who was it invented by
What is it used for
A: What is this called in English
B: It is called ___________
in 1927
A: When was\were the __________ invented
B: I think it was invented in __________.
in 1976
in 1971
in 1876
in 1827
in 1871
in 1854
in 1800
in 1885
B: I think they were invented in __________.
Edison invented the light bulb.
The light bulb was invented by Edison.
Who was the light bulb invented by
The telephone by Bell.
was invented
Who was the telephone invented by
Bell invented the telephone.
______ was invented by _______.
The car
Karl Benz
Who was the car invented by
Karl Benz invented the car.
A: What is the car used for
B: The car is used for traveling.
be used for 被用做于------
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 _______. (calculate)
calculating
A: What is the
used for
B: I think it is used for ________.
Working\surfing the internet
A: What is the
used for
B: I think it is used for _____.
riding
(ride)
A: What is the
used for
B: It is used for ___________.
counting
(count)
A: What is the
used for
B: It is used for
___________.
watching the things far away clearly.
(watch the things far away clearly)
A: What is the ________ used for
B: It is used for __________________ .
making the food hot.
(make the food hot)
A: What is the ________ used for
B: It is used for __________________ .
(keep off the rain )
keeping off the rain .
A: When was …invented
B: It was invented in…
A: Who was it invented by
B: It was invented by…
A: What is the … used for
B: The … is used for doing…
in 1976, two young men from America
in 1876, Bell
in 1885 Karl Benz travel
binoculars,1854, a Dutch(荷兰人) see things far away clearly
in 1871 giving light Edison
in 1976, an English
in 1921, an American
New inventions
batteries
slippers
battery-operated slippers
电池供电的拖鞋
ice cream
scoop勺子
heated ice cream scoop 加热的冰激淋勺
heel 鞋跟
shoes with adjustable heels
可调节后跟的鞋
Listen and number the inventions in the order that you hear.
3
1
2
2a
Invention Who was it/were they invented by What is is/are they used for
shoes with adjustable heels Chelsea Lanmon scooping really cold ice cream
battery-operated slippers Jayce Coziar and Jamie Ellsworth seeing in the dark
heated ice cream scoop Julie Thompsom changing the style of the shoes
Listen again. Match the inventions with their inventors and uses.
2b
A: What is it/are they called in English B: It is/They are called ... A: Who was it/were they invented by B: It was/They were invented by ... A: What is it/are they used for B: It's/They're used for…
am / is / are + vt.pp
was / were + vt.pp
A: Look! This looks so interesting!
B: Ah, it’s a great invention of China.
A: Really When ______ it _________
B: I think it ______ _________ in Han Dynasty.
A: What ______ it ______ for
B: Guess!
A: ______ it ______ for holding water
B: No. It ___ _____ for testing earthquakes（地震）.
A: Wow, it’s really amazing!
was
invented
was
invented
is
used
Is
used
is
used
(汉朝)
seismograph
ancient inventions
(very old)
compass
gun powder
printing
Paper
making
Chinese ancient inventions
=very old
What When Who Be used for
Eastern Han Dynasty
CaiLun
writing
Making weapon(武器)
Tang Dynasty
Shenkuo
Bishen
SunSimiao
compass
gun powder
paper
making
printing
Song Dynasty
Song Dynasty
Making copies
sailing
A: Look! This looks so interesting!
B: Ah, it’s a great invention of China.
A: Really When ______ it _________
B: I think it ______ _________ in ____ Dynasty.
A: Who ______it __________
B: It ________ by________
A: What ______ it ______ for
B: I think it _____________for________.
A: Wow, it’s really amazing!
1.I open the door.
The door is opened by me.
2.He often helps homeless people.
Homeless people are often helped by him.
3.I handed out some papers just now.
Some papers were handed out by me just now.
主动语态:主语是动作的执行者。
被动语态:主语是动作的承受者。
被动语态结构为：
(主动语态)
(主动语态)
(主动语态)
(被动语态)
(被动)
(被动语态)
be+过去分词
将下列句子变为被动语态。
The passive voice.
被动语态
主动语态变被动语态的结构图:
Bell invented the telephone in 1876.
The telephone was invented by Bell in 1876.
主语
谓语动词过去时
宾语
时间状语
主语
谓语动词的过去分词
宾语
时间状语
The passive voice.
被动语态
英语中动词有主动语态和被动语态两种语态. 主动语
态表示主语是动作的执行者,被动语态表示主语是动作的
承受者, 在被动语态中动作的执行者有时用by短语表示
出来.
被动语态的构成:
助动词be+ (及物动词的) 过去分词
一般现在时
一般过去时
am (is, are) + done
was (were) + done
{
The passive voice.
被动语态
被动语态的用法:
不知动作执行者时,常用被动语态.
eg. My bike was stolen yesterday.
This car is made in American.
2. 不必要说出动作执行者时,常用.
eg. Rome was not built in a day.
3. 为了突出强调动作的承受者时,常用被动语态.
eg. Thousands of beaches are polluted (污染).
将下列句子改为被动语态
1. People use metal for making machines.
Metal　　 for making machines.
2. We don`t use recorders in math class .
Recorders by in math class .
3.Do they use it as a table
it as a table by
4.She grows flowers on a farm.
Flowers a farm.
5. Do they teach Japanese in their school
Japanese in their school
is
used
aren’t
used
us
Is
used
them
are
grown
on
Is
taught
6.They write these books in French.
7.The students clean the classroom every day.
8.We make shoes in our factory.
9.Xiaoming drew the picture yesterday.
These books are written by them in French.
The classroom is cleaned by the students every day.
Shoes are made by us in our factory.
The picture was drawn by Xiaoming yesterday.
10. He asked me to speak loudly.
I speak loudly .
11. The teacher often makes us
do lot of homework .
We often lots of
homework by the teacher .
12. My father bought me a new bike yesterday.
A new bike me yesterday.
I a new bike yesterday.
was asked to
by him
are
made to do
was bought for
was bought
by my father
in 1871