九年级英语 Unit9 when was it inventedperiod 1课件 人教新目标版 课件VIP免费

• Unit 9 when was it invented ?•The first period My great invention---9• What’s the name of it? • 1.invent---v• 2.inventor---n• 3.invention---n • What’s the use?• 4. can calculate---v• 5.name---calculator---n• 6.calculation---n• 7.translate• 8.translator• 9.translation250+250=?W.C--- means ?MP8 Questions---4• 1.What’s the name of the thing (invention)? • 2.When was it invented?• It was invented just now.• 3.Who was it invented by?• It was invented by Mr Liu.• 4.What is it used for ?• It is used for translating, calculating, flying , making a call and learning English.be used for doing … 被用来做…It is called MP8 Make sentences:The telephone was invented before the car.The car was invented after the telephone.524131a---number the pictures Let’s look and talk name?---when?--- who? When was it invented?It was invented in 1885Who was it invented by ?It was invented by Karl Benz.Karl Benz.car1885 light bulb name?---when?--- who? It was invented in 1879Who was it invented by ?It was invented by Edison.Edisonlight bulblight bulbWhen was it invented?Let’s look and talk1879 1bListen and match the inventions Listen and match the inventions with the dates.with the dates.abedc18761885192719711976dabec pairwork• Read the model and then make your own conversation A: What is this called in English ？B: It is called the telephone.A: When was the telephone invented?B: It was invented 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… 1876BellPairworktelephoneWhen ?Who ? What ? Talking with the people far away. Beld1927Tv setWatching and learning many things in the world.When, who, what use? car travelling.in 1885Carl Bens When, who, what use? 1971Kelifcalculator calculating When, who, what use? The passive voice. 被动语态被动语态• MP8• It was invented just now.• It was invented by Mr Liu.• It is used for translating, calculating, flying and making a call.• 结构： be + V. pp 即 .be+ 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 summary• 1. we learned some new words.• 2. we also learned sentences patterns.• 3. we also the grammar---passive voice.•4. 训练与作业 homework--------music in 1885Carl Bens travellingWhen, who, what use?三问三答 ----- 六句 •Good bye !