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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,九年级新目的,Unit 9,When was it invented?,Section A(1a-1c),尹 立,1900,年读作,eighteen O nine,1865年读作,eighteen sixty-five,1998年读作,nineteen ninety-eight,nineteen hundred,1809年读作,2000年读作,two thousand,2008年读作,two thousand and eight(或twenty O eight),复习导入,:,Which do you think is the most important,invention in the world?,TV?telephone?radio?,computer?calculator?car?,Inventions:,Guessing:,What is this in English?,It is a car.,When,was,it,invented,?,It,was invented,.,in1885,car,in 1885,What is this in English?,It is a telephone.,When was it invented?,It was invented in 1876.,telephone,in 1876,When,was,it/,were,they,invented,?,It,was,/They,were invented,in 1927.,TV(s),in1927,Ask and answer:,When,were,they,invented,?,They,were invented,calculators,1971,in 1971,.,When,were,they,invented,?,They,were invented,computers,in 1976,in 1976.,Task 1:Talk about inventions,I think,the calculator,was invented,before/after,the computer,.,1b,Listen and match the inventions,with the dates.,a,b,e,d,c,1876,1885,1927,1971,1976,d,a,b,e,c,a,d,b,e,c,1876,1885,1927,1971,1976,A,:When was the _ invented?,B,:It was invented in _.,Task 2:1c,Group work,Karl Benz,invented,the car.,_,was invented,by,_.,The car,Karl Benz,Who invented the car?,Who was the car invented by?,Karl Benz,Task3:,Bell,invented,the telephone.,_,was invented,by,_.,The telephone,Bell,Who invented the,telephone,?,Who was the,telephone,invented by,?,Bell,Karl Benz,invented,the car.,_,was invented,by,_.,The car,Karl Benz,观察与思考:,Edison,invent,ed,the light bulb.,The light bulb,was invent,ed,by,Edison.,Bell,invented,the telephone.,_,was invented,by,_.,The telephone,Bell,The passive voice.,被动语态,被动语态的,构成,:,be,动词+(,及物,动词的),过去分词,普通现在时,普通过去时,am (is,are)+done,was(were)+done,The car was invented in 1885.,The passive voice.,被动语态,主动语态变被动语态的构造图:,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,Karl Benz,Bell,Edison.,Who was _invented by?,It was invented by _.,Karl Benz,pair work,the car,the telephone,Bell,the light bulb,Edison,car,A:When,was,the car invent,ed,?,in 1885,B:It,was,invent,ed,in 1885.,A:Who,was,the car invent,ed,by,?,B:It,was,invent,ed,by,Karl Benz.,Karl Benz,Task 4:,Pair work,练习与巩固:,1.Edison invented the light bulb.,The light bulb _ _ _ Edison.,2.All the students like their teacher.,Their teacher _ _ by all the students.,3.American speak English.,English _ _ _ American.,4.Cars were invented,in 1885,.(划线部分提问,),cars,?,5.,The light bulb was invented by Edison.(划线部分提问),was the telephone invented,?,was,invented,by,is,liked,is,spoken,by,When,were,invented,Who,by,小结:,Target language:,1.When was it invented?,It is invented in,2.Who was it invented by?,It was invented by,Grammar:,普通过去时态的被动语态,1.构成:was(were)+done(及物动词的 过去分词)。,2.主动语态变被动语态的环节:,(1)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背面以它的宾格形式出现.如果没有必要就能够省略.其它的成分(定语,状语)不变,句式也不能变.,Homework:,1.Describe one of your inventions,and then write it down.,2.Make up two conversations,with the,target language,.,GoodBye!,
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