haihongyuan.com
海量文库 文档专家
全站搜索:
您现在的位置:首页 > 初中教育 > 初中英语初中英语

九年级unit9公开课

发布时间:2013-10-28 08:03:25  

light bulb invent
v.发明
inventor.n invention.n

Thomas Edison

1879
Thomas Edison invented the light bulb in 1879. The light bulb was invented by Thomas Edison in 1879.

Unit 9

When was it invented ?
By Miss zhang December 9th.

Section A

Language Goals:
Talk about the history of inventions.

Grammar Focus:
The passive voice.
被动语态

Bell 1876

1976 Computers

? 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...
The telephone was invented by Bell in 1876.
.

The computers were invented in 1976

calculator

1b

Listen and match the inventions with the dates.

b a c

e d

1876 1885 1927

1971
1976

? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

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

Answer : the right order they were invented

5

2

4

1

3

1c
1885 1927 1971 1876 A :When was the telephone invented ? B :I think it was invented in

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?
3 new inventions names shoes with adjustable可调 节的 heels后跟 battery-operated slippers 电池操作的 拖鞋

battery
heated ice cream scoop 加热的冰淇淋勺

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:

{ was (were) + done

助动词be+ (及物动词的) 过去分词 am (is, are) + done 一般现在时
一般过去时

The passive voice.
被动语态的用法:

被动语态

1. 不知动作执行者时,常用被动语态. eg. My bike was stolen yesterday. Thi

s 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:
1.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.
主语 谓语动词过去时 宾语 时间状语

The telephone was invented by Bell in 1876.
主语 谓语动词的过去分词 宾语 时间状语

The passive voice.
主动语态改被动语态:
Bell invented

被动语态

the telephone in 1876.

was

by

? 被动语态填空
is grown ? 1.Rice _______ (grow) in the south of China. was asked ? 2.Li Ming ______(ask) to attend the meeting

? ? ? ?

? ? ?

yesterday. weren’t watered 3.The young trees _________ (not water) yesterday. is made 4.What ______ it _______(make) of? Paper. 5.The tall building will be built (build) next year. are made 6.The workers _______ (make) to work _______ (work) for 7. hours by the boss every day. 8.An accident was happened (happen) here last night. _______ 9.Many stars ________ (can see) at night. can be seen 10.Your bikemustn’t be put (must not put) there. ________

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 .

New invention: a pen that listens and writes Use:

It can listen to the writer and write by itself.
Price : $ 50


网站首页网站地图 站长统计
All rights reserved Powered by 海文库
copyright ©right 2010-2011。
文档资料库内容来自网络,如有侵犯请联系客服。zhit326@126.com