九年级 Unit6 Section A 1a-1c.ppt

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1、Unit6Unit6Whenwasitinvented?SectionA1a~1caglassofteateaplantsTeaplantsaregrowninHangzhou.茶树在杭州被种植。一般现在时被动语态一般过去时被动语态一般过去时被动语态的结构为“主语+was/were+及物动词的过去分词(+by+动作的执行者).”。Thebuilingwasbuiltlastspring.一般过去时被动语态去年春天那栋大楼被建造。Lookatthethingsbelow.Inwhatorderdoyouthinkthe

2、ywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4].1a2314IthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.我认为电视是在汽车之前被发明的。哦，我认为电视是在汽车之后被发明的。Ithinkthetelephonewasinventedbeforethecomputer.IthinkthecomputerwasinventedaftertheTV.我认

3、为电话是在电脑之前被发明的。我认为电脑是在电视之后被发明的。ListeningListenandmatchtheinventionswiththeyears.1b___1876___1885___1927___1971dacbStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.Practicing1cWhenwasthetelephone

4、invented?Ithinkitwasinventedin1876.Whenwas/were名词invented?Ithinkit/theywas/wereinventedin年份.PracticingWhenwerethecarsinvented?Theywereinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.Whenwasthecomputerinvented?Itwasinventedin1971.