九年级英语|Unit 9 When was it invented?|Section A|1a-2c

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名称 九年级英语|Unit 9 When was it invented?|Section A|1a-2c
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科目 英语
更新时间 2009-12-21 20:37:00

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(共26张PPT)
light bulb
Thomas Edison
invent
1879
Thomas Edison invented the light bulb in 1879.
The light bulb was invented by Thomas Edison in 1879.
v.发明
inventor.n
invention.n
Unit 9
When was it invented
Section A
By Miss zhang
December 9th.
Talk about the history of inventions.
The passive voice.
Language Goals:
Grammar Focus:
被动语态
完成任务所需要的语言结构:
① What is that/are they It's/They're ...
② ... was/were invented by... in...
... was/were invented ... in...
Bell
1876
1976
Computers
The telephone was invented by Bell in 1876.
.
The computers were invented in 1976
calculator
1b
Listen and match the inventions
with the dates.
a
b
e
d
c
1876
1885
1927
1971
1976
d
a
b
e
c
Girl: Life must have been difficult when you were a kid.
Woman: Oh, not really. Why do you say that
Girl: Well, you didn't have many modern inventions.
Like, you probably didn't have a telephone, right
Woman: Of course we did! How old do you think I am
The telephone was invented in 1876.
Girl: How about cars I bet cars weren't invented yet.
Woman: Sure they were. Cars were invented in 1885.
My family had a car. I think you need to take a history class, Alice.
Girl: Ha, ha! Well, did you have a TV
Woman: No, we didn’t. The TV was invented around 1927, I think.
Some friends of mine had one. But in those days, TVs were really
expensive, and we couldn't afford one.
Girl: And I bet you didn't have calculators and computers and stuff.
That's something I do know. We learned in school that hand-held
calculators were invented in 1971 and personal computers were
invented in 1976.
Woman: You're right. I didn't have those things when I was young.
But I do now!
1a
1
3
4
2
5
Answer : the right order they were invented
1c
A :When was the telephone invented
B :I think it was invented in 1876.
1927
1971
1876
1885
What is/are … used for
It’s/They’re … used for…
be used for doing/to do ...
被用于。。。
2a
Listen and number the inventions in
the order that you hear.
What are they
shoes with adjustable可调节的 heels后跟
heated ice cream scoop 加热的冰淇淋勺
battery-operated slippers
电池操作的 拖鞋
3 new inventions
names
battery
2a
Listen and number the inventions in
the order that you hear.
2a
Listen and number the inventions in
the order that you hear.
3
1
2
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).
The passive voice.
被动语态
主动语态变为被动语态的步骤:
把原主动句中的宾语转换为被动语态的主语.
2.把动词改为被动形式,即 “be + 过去分词” . 注意 be
动词要按新的主语的人称和数进行变化,时态要和原来
的主动语态的时态保持一致.
3. 原来主动语态句中的主语,如果需要,就放在by后面
以它的宾格形式出现. 如果没有必要就可以省略.其他的
成分 (定语,状语) 不变, 句式也不能变.
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
主动语态改被动语态:
Bell
invented
the telephone
in 1876.
was
by
被动语态填空
1.Rice _______ (grow) in the south of China.
2.Li Ming ______(ask) to attend the meeting yesterday.
3.The young trees _________ (not water) yesterday.
4.What ______ it _______(make) of Paper.
5.The tall building (build) next year.
6.The workers _______ (make) _______ (work) for 7. hours by the boss every day.
8.An accident _______ (happen) here last night.
9.Many stars ________ (can see) at night.
10.Your bike ________ (must not put) there.
mustn’t be put
is grown
was asked
weren’t watered
is
made
will be built
are made
to work
was happened
can be seen
1.Prepare for the new lesson.
2.Do the exercise of Period 1 in your workbook.
3.Can you come up with a new invention Write something about it .
a pen that listens and writes
New invention:
Use:
It can listen to the writer and
write by itself.
Price :
$ 50