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Whenwasitinvented?Unit9
Languagegoal:Learntotalkabouthistoryofsomeinventions
lightbulbinventionEdisoninventorEdisoninventedthelightbulb.ThelightbulbwasinventedbyEdison.
Bellinventedthetelephone.___________wasinventedby_____.ThetelephoneBell
KarlBenzinventedthecar.______wasinventedby_______.ThecarKarlBenz
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1b:Listening18761885192719711976
A:Whowasthe_______inventedby?B:Itwasinventedby______.RevisionCarlBenzBell
RevisionA:Whowerethe_______inventedby?B:Theywereinventedby______.Edison
A:Whenwasthe_______invented?B:Ithinkitwasinventedin______.1CPairwork1976188518761927
(Achant)Inventions,inventions,inventionsLet’stalkaboutinventions!Thecomputer,computer,computer,Whenwasitinvented?Thecomputer,computer,computer,wasinventedin1976.Thecalculator,calculator,calculatorWhenwasitinvented?Thecalculator,calculator,calculatorwasinventedin1971.Thetelevision,television,televisionWhenwasitinvented?Thetelevision,television,televisionwasinventedin1927.Themotorcar,motorcar,motorcarWhenwasitinvented?Themotorcar,motorcar,motorcar,wasinventedin1885.Thetelephone,telephone,telephoneWhenwasitinvented?Thetelephone,telephone,telephonewasinventedin1876.
A:Whatisthe_______usedfor?B:Ithinkitisusedfor_______________.talkingwithpeople
A:Whatisthe_______usedfor?B:Ithinkitisusedfor___________.(count)counting
A:Whatarethe________usedfor?B:Ithinktheyareusedfor__________________.workinginthedark(workinthedark)
被动语态:当主语为动作的承受者时,用被动语态。结构:be+动词过去分词1)Wecleantheclassroomeveryday.Theclassroomiscleaned(byus)……2)Teachersallowstudentstoweartheirownclothes.Studentsareallowed(byteachers)toweartheirownclothes.一般现在时一般现在时
3)Bellinventedthetelephone.ThetelephonewasinventedbyBell.一般过去时4)Tomin
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