unit9 when was it invented.ppt.ppt

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1、Unit 9 When was it invented?Unit 9 When was it invented?Sectinon A(1a-Grammar Focus)The passive voice 被动语态被动语态 在被动语态的句子中在被动语态的句子中,谓语部分的谓语部分的结构是结构是be+过去分词过去分词。被动语态的句。被动语态的句子的时态、人称变化反映在子的时态、人称变化反映在be动词上。动词上。一般现在时一般现在时 am/is/are 过去分词过去分词一般过去时一般过去时 was/were 过去分词过去分词 含有情态动词的被动语态：含有情态动词的被动语态：情态动词情态动词be 过去

2、分词过去分词The passive voice.被动语态被动语态主动语态变被动语态的结构图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把下列的句子变为被动语态的句子：把下列的句子变为被动语态的句子：1、They speak English in Canada .2、People used wood for making tables.3、They are making computers i

3、n the USA.English is spoken in Canada(by them).Wood was used for making tables.Computers are being made in the USA.a Tv set a car a telephone a computer a calculator 计算器计算器 1bListen and match the inventions Listen and match the inventions with the dates.with the dates.abedc18761885192719711976dabecA

4、 A:When was the _ :When was the _ invented?invented?B B:I think it was invented in:I think it was invented in _._.car1885A A:What is the _ used:What is the _ used for?for?B B:It:It is used foris used for（用来做（用来做（用来做（用来做）_._.talking with people(talk with people)A A:What is the _ :What is the _ used f

5、or?used for?B B:It:It is used foris used for _._.(study)studyingA A:What is the _ :What is the _ used for?used for?B B:It:It is used foris used for _._.(count)countingbattery-operated slippers电控拖鞋heated ice cream scoop冰淇淋加热勺shoes with adjustable heels可调整后跟的鞋子2aListen and number the inventions in the

6、 order that you hear.312A：Who was it/were they invented by?B：It was/They were invented by Jayce Coziar and Jamie Ellsworth杰斯.克里亚Julie Thompson 朱莉.汤普森Chelsea Lanmon 切尔西.莱蒙Listening(2b:P69)Listening(2b:P69)1.Battery-operated slippers were invented by Julie Thompson.They are used for seeing in the dark

7、.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 the style of the shoes.A:Look!This looks so interesting!B:Ah,its a great i

8、nvention of China.A:Really?When _ it _?B:I think it _ _ in Han Dynasty.(汉朝汉朝)A:What _ it _ for?B:Guess!A:_ it _ for holding water?B:No.It _ _ for testing earthquakes.A:Wow,its really amazing!Who was it inwented by？B：Zhang Heng.wasinventedwas inventedisusedIsusedisusedHomework:1.Learning paper 课后作业2.Write an article to introduce inventions that you know.You can write about inventor.time and other things