九年级英语_Unit9_when_was_it_inventedperiod_1课件_人教新目标版.ppt

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1、Unit 4 when was it invented?The first period My great inventionWhats the name of it?1.invent-v2.inventor-n3.invention-n Whats it used for?4.calculate-v5.calculator-n6.calculation-n7.translate8.translator9.translationMP8 Questions-41.Whats the name of the thing(invention)?2.When was it invented?It wa

2、s invented just now.3.Who was it invented by?It was invented by Miss Lu.4.What is it used for?It is used for translating,calculating,making a call and learning English.be used for doing 被用来做被用来做It is called MP8Make sentences:The telephone was invented before the car.The car was invented after the te

3、lephone.524131a-number the pictures When was it invented?It was invented in 1885Who was it invented by?It was invented by Karl Benz.Karl Benz.car1885It was invented in 1879Who was it invented by?It was invented by Edison.Edisonlight bulblight bulbWhen was it invented?Lets look and talk18791bListen a

4、nd match the inventions Listen and match the inventions with the dates.with the dates.abedc18761885192719711976dabec1876BellPairworktelephoneWhen?Who?What?Talking with the people far away.A:What is this called in English？B:It is called the telephone.A:When was the telephone invented?B:It was invente

5、d in 1876.A:What is it used for?B:It is used for talking with others.A:Who was it invented by?B:It was invented by Bell.be used for doing 被用来做被用来做The passive voice.被动语态被动语态MP8It was invented just now.It was invented by Miss Lu.It is used for translating,calculating,flying and making a call.结构：结构：be

6、+V.pp 即即.be+动词过去分词动词过去分词The passive voice.被动语态被动语态主动语态改被动语态主动语态改被动语态:Bellinvented the telephonein 1876.wasby主动句与被动句之间的主动句与被动句之间的转换转换 I cleaned the blackboard.主语 +谓语动词 +宾语The blackboard was cleaned (by me)主语 +谓语动词 +介词+宾语 car travelling.in 1885Carl Bens When,who,what use?Beld1927Tv setWatching and learning many things in the world.When,who,what use?1971Kelifcalculator calculating When,who,what use?homework-music in 1885Carl Bens travellingWhen,who,what use?三问三答三问三答-六句六句Good bye!