人教版九年级英语上册Unit9SectionA(1a-1c).ppt

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1、 Period 1A: What is the car used for?B: The car is used for traveling. A: What is the _ used for?B: I think it is used for _.talking with peopleA: What is the used for?B: I think it is used for _.(ride) ridingA: What is the used for?B: I think it is used for _.(work)workingWhat are they used for?The

2、y are used for giving light.light bulbsA: What is the _ used for?B: It is used for _.counting(count)calculatorA: What is the used for?B: It is used for _.(count)countingabacusA: What is the used for?B: It is used for _. (watch the things far away clearly)watching the thingsfar away clearly.binocular

3、sA: What is the _ used for?B: It is used for _ .making the food hot.(make the food hot)microwave ovenWhat is/are used for? Its/Theyre used forA: When was the car invented?B: Well, I think it was invented in .A.1885B.1876C.1927D.1971A: When was the telephone invented?B: Well, I think it was invented

4、in .A.1885B.1876C.1927D.19711b1babedc1876_1885_1927_1971_1976_dabec1a1a13425A: When was the _ invented?B: I think it was invented in _.Pairwork (1c:P68)1976188518761927197118761885192719711976 When was the car invented? It was invented in 1885.Look at the things. In what order do you think they were

5、 invented?1aA: I think the calculator was invented before the computer.B: Well, I think the calculator was invented after the computer.A: I think was invented before B: Well, I think was invented after .A: I think was invented before B: Well, I think was invented after .A: I think was invented befor

6、e B: Well, I think was invented after A: I think was invented before B: Well, I think was invented after Edison invented the light bulb.The light bulb was invented by Edison.Who Who waswas the light bulb the light bulb invented byinvented by? ?The telephone by Bell.was invented Who was the telephone

7、 inventedWho was the telephone invented byby? ?Bell invented the telephone._ was invented by _.The carKarl BenzWho was the car invented Who was the car invented byby? ?Karl Benz invented the car.Who was (telephone) invented by?It was invented by Bell.Henry FordEdisonBellTsai LunWright brothersfisher

8、inventorsinventionsPapermakingPlane Washing machineLight bulbCar TelephoneA: When was invented?B: It was invented inA: Who was it invented by?B: It was invented byA: What is the used for?B: The is used for doing What are they?shoes with adjustable可调节可调节的的 heels后跟后跟heated ice cream scoop 加热的冰淇淋勺加热的冰淇

9、淋勺battery-operated slippers 电池操作的电池操作的 拖鞋拖鞋3 new inventionsnamesbatterybattery-operated slippersheated ice cream scoopshoes with adjustable heels电池供电电池供电的拖鞋的拖鞋加热的加热的冰激凌勺冰激凌勺可调节可调节后跟的鞋后跟的鞋shoes with adjustable heelsheated ice cream scoopscooping really cold ice creambattery-operated slippersseeing in

10、 the darkchanging the style of the shoesWhat are they used for?2a2aListen and number the inventions inthe order that you hear.312InventionWho was it/were they invented by?What is is/are they used for?shoes with adjustable heelsChelsea Lanmonscooping really cold ice creambattery-operated slippers Jay

11、ce Coziar and Jamie Ellsworth seeing in the darkheated ice cream scoopJulie Thompsomchanging the style of the shoesListen again. Match the inventions Listen again. Match the inventions with their inventors and uses.with their inventors and uses.2b2bListening (2b: P69)1. Battery-operated slippers wer

12、e invented by Julie Thompson. They are used for seeing in the dark.2. Heated ice cream scoop is invented by Chelsea Lanmon. It is used for scooping really cold ice cream.Listening (2b: P69)3. Shoes with adjustable heels were invented by Jayce Coziar and Jamie Ellsworth. They are used for changing th

13、e style of the shoes. A: What is this? B: It is a car. A: What is it used for? B: It is used for driving. A: Who was it invented by ? B: It was invented by Karl Benz. A: When was it invented ? B: It was invented in 1885.Karl Benz18851976Steven Wozniak Steve Jobs 1876Bell 1927John Baird1.被动语态定义被动语态定义

14、被动语态表示主语是动作的承受者。如：The telephone was invented by Bell in 1876.2.被动语态的构成被动语态的构成被动语态由“助动词be+及物动词的过去分词“构成。助动词be有人称、数和时态的变化，其变化规则与be作为连系动词时完全一样。如：(1).It was invented in 1876. (2)They are used for listening to music.3.被动语态的用法被动语态的用法当我们不知道谁是动作的执行者或者没有必要指出谁是动作的执行者，或者只须强调动作的承受者时，要用被动语态，如：English is spoken in

15、 Canada.Grammar:The passive voice(被动语态）1. My jacket is made of cotton. 一般现在时的被动语态的谓语结构：一般现在时的被动语态的谓语结构：be（现在式现在式）+ 动词过去分词动词过去分词 一般过去时的被动语态的谓语结构：一般过去时的被动语态的谓语结构：be（过去式过去式）+ 动词过去分词动词过去分词2. Stamps are used for sending letters.3. It was built in 1380.4. It was made of stone and metal.5. It was used for

16、travelling.The passive voice.1.把原主动句中的宾语转换为被动语态的主语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把动词改为被动形式,即即 “be + 过去分词过去分词” . 注意注意 be动词要按新的主语的人称和数进行变化动词要按新的主语的人称和数进行变化,时态要和原来时态要和原来的主动语态的时态保持一致的主动语态的时态保持一致.3. 原来主动语态句中的主语原来主动语态句中的主语,如果需要如果需要,就放在就放在by后面后面以它的宾格形式出现以它的宾格形式出现. 如果没有必要就可以省略如果没有必要就可以省略.其他的其他的成分成分 (定语定语,状语状语) 不变不变, 句式也不能变句式也不能变.The passive voice.Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主语主语 谓语动词过去时谓语动词过去时宾语宾语时间状语时间状语主语主语谓语动词的过去分词谓语动词的过去分词宾语宾语时间状语时间状语