课件31张PPT。Unit 9 When was it invented?Section A 2a---2cPeriod 2inventionscarWhat’s this called in English?televisiontelephonepersonal computercalculatorumbrellaalarm clockcameramicrowave ovens abacusesbinocularslight bulbsbatteryBatteriesWhat are these called in English?cartelevisiontelephonepersonal computercalculatoralarm clockcameramicrowave oven
abacusbinocularslight bulbsbatteriesDo you have a good memory?A: When was the computer invented? B: It was invented by two young men from America.in 1976, two young men from America A: What is this called in English? B: It is called a personal computer.B: It was invented in 1976.A: Who invented the personal computer?B: Two young men from America invented it.A: Who was it invented by?A: What is it used for ?be used for 被用做于------B: It is used for surfing the Internet.in 1876BellA: What is this called in English?
A: When was it invented?
A: Who was it invented by?
A: What is it used for ?.
B: It is called a telephone.B: It was invented in 1876.B: It was invented by Bell.B: It is used for talking with people.in 1885
Karl Benz
travel
A: What is this called in English?
A: When was it invented?
A: Who was it invented by?
A: What is it used for?B: It is called a car.B: It was invented in 1885.B: It was invented by Karl Benz.B: It is used for traveling.in 1871
giving light
EdisonA: What are they called in English?
A: When were they invented?
A: Who were they invented by?
A: What are they used for?
B: They are called light bulbs.B: They were invented in 187.B: They were invented by Edison.B: They are used for giving light.1827, take photos about4,000years ago
keep off the rain 1971, countbinoculars,1854,
see things far away clearly Knives, cut things A: What is it /are they called in English?
B: It is /They are called---
A: When is it / are they invented?
B: It is / They are invented---
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 is / They are used for ----PairworkNew inventionsbatteryslippersThey were invented by Julie Thompsonbattery-operated slippers电池供电的拖鞋New inventionsice cream
scoop [sku:p]heated ice cream scoop加热的冰激凌勺It was invented by Chelsea LanmonThey were invented by
Jayce Coziar and Jamie Ellsworth shoes with adjustable heels 可调节后跟的鞋A: What is it called? B: It is called---batteriesslippersbattery-operated slippers电池供电的拖鞋A: What are they called?B: They are called ---ice creamscoop勺子heated ice cream scoop
加热的冰激淋勺shoes with high heels高跟shoes with adjustable heels可调节后跟的鞋Guessshoes with adjustable heels
battery-operated slippers
电池操作的拖鞋heated ice cream scoop
加热的冰淇淋勺
Who was the invented by?
What is the used for Who were the invented by?
What are the used for Listen and number the inventions inthe order that you hear.3122aListen again. Match the inventions with their inventors and uses.2bRole play conversations using the information in the chart above.A: ?What is it/are they called in English?
B: It is/They are ...
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… PairworkBecause of some great inventions, our life becomes much easier and more comfortable.Conclusion:We should be proud of being a Chinese.compassgun powderprintingPaper
makingChinese inventionsHow many inventions do you know? Group workA: 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! wasinventedwasinventedisusedIsusedisused(汉朝)
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?isusedareusedusIsusedthemaregrownonIstaughtEXERCISES6.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 himaremade to do was bought forwas boughtby my fatherSurf the Internet ,and find out more inventions. Introduce them to your classmates, using
It was/They were invented by_______.
It was /They were invented in_______.
It is/They are used for_______. Homework: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。Revision:WritingGoodbye!
