九年级Unit-6-when-was-it-invented课件Section-A-1a-1c

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1、Unit6Period1SectionA1a-1cWhenwasitinvented?一般过去时态的被动语态结构:was/were+V过去分词一般过去时态的被动语态结构注意：这里be的形式决定了被动语态的时态，其后的过去分词没有变化。肯定句主语+was/were+V过去分词+(by…)否定句主语+was/were+not+V过去分词+(by…)一般疑问句Was/Were+主语+V过去分词+(by…)?特殊疑问句特殊疑问词+was/were+主语+V过去分词+(by…)?年份的读法两个数字一组，分为前后两组121865eighteensixty

2、five1989千年的读法twothousand2001twothousandandonenineteeneightynine3前两个数字不为零，后两个数字为零。eighteenhundred1900nineteenhundred4非四位数的年份的读法！531fivehundredandthirty-one翻译下列年代：1nineteenseventy-one____________2eighteeneighty-five__________3.eighteenseventy-six4.1927_________________5.1976_

3、_____________________6.2008____________________7.20141971年1885年1876年nineteentwenty-sevennineteenseventy-sixTwothousandandeightnineteenandfourteenWhataretheFourGreatInventionsinancientChina?Doyouknow?ChinesefourgreatancientinventionscompassgunpowderprintingPapermakingModerni

4、nventionsTalkabouttheinventions(发明).Whichonedoyouthinkisthemosthelpfulinventioninourdailylife?LeadincarTVmobilephonecameraclockPresentation1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4](1=first,4=last)1234computerTV

5、A:Ithinkthe…wasinventedbeforethe….B:Idisagree.(Iagree.)Ithinkthe…wasinventedafterthe….carclockA:Ithinkthe…wasinventedbeforethe….B:Idisagree.(Iagree.)Ithinkthe…wasinventedafterthe….cameraA:Ithinkthe…wasinventedbeforethe….B:Ithinkso.(Idon’tthinkso.)Ithinkthe…wasinventedaftert

6、he….cartelephonemobilephoneA:Ithinkthe…wasinventedbeforethe….B:Ithinkso.(Idon’tthinkso.)Ithinkthe…wasinventedafterthe….1bListenandmatchtheinventionswiththeyears.abcdWhenwasthe...invented?1876188519271971acbdtelephone手机：mobilephoneA:Whenwasthe…invented?B:Itwasinventedin_____

7、.1c1876TVtelevisionA:Whenwasthe…invented?B:Itwasinventedin_____.1927computer私人电脑personalcomputerprivatecomputerA:Whenwasthe…invented?B:Itwasinventedin_____.1971carBenz(奔驰)A:Whenwasthe…invented?B:Itwasinventedin_____.1885Unit6Whenwasitinvented?SectionA(2a-2c)第二课时Newwords:he

8、el/hi:l/n.鞋跟；足跟electricity/ilektrisəti/n.电；电能scoop/sku:p/n.勺;铲子style/stail/n.样式;款式