人教新目标九年级Unit6WhenwasitinventedSectionA(1a-1c)课件共18张PPT.ppt

1、Talkabouttheinventions(发明).Whichonedoyouthinkisthemosthelpfulinourdailylife?,car,TV,mobilephone,camera,clock,Theyaresomeinventions.Doyouknowwhentheywereinvented?,computer,Unit6Whenwasitinvented?SectionA(1a-1c),Presentation1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyo

2、urgroup.Thennumberthem1-4(1=first,4=last),1,2,3,4,1bListenandmatchtheinventionswiththeyears.,a,b,c,d,Whenwasthe.invented?,1876188519271971,a,c,b,d,computer,TV,A:Ithinkthewasinventedbeforethe.B:Idisagree.(Iagree.)Ithinkthewasinventedafterthe.,car,clock,A:Ithinkthewasinventedbeforethe.B:Idisagree.(Iag

3、ree.)Ithinkthewasinventedafterthe.,1675,laptop,camera,A:Ithinkthewasinventedbeforethe.B:Ithinkso.(Idontthinkso.)Ithinkthewasinventedafterthe.,1839,1982,telephone,mobilephone,A:Ithinkthewasinventedbeforethe.B:Ithinkso.(Idontthinkso.)Ithinkthewasinventedafterthe.,1973,1cPairwork,A:Whenwastheinvented?B

4、:Ithinkitwasinventedin.,computer1971,car1885,TV1927,telephone1876,A:Whenwasthe_invented?B:Ithinkitwasinventedin_.,Pairwork(1c:P68),1971,1885,1876,1927,1971,calculator,Thesimplepastpassivevoice一般过去时被动语态一般过去时被动语态表示过去经常性、习惯性被动动作或过去某一时刻发生的被动性动作，与主动语态相比,被动语态中主语是谓语动作的执行者。被动语态的构成:主语+助动词was/were+(及物动词的)过去分词

5、was(were)+done(P.P.),Grammar,主动语态变被动语态的方法,动作执行者+动词主动形式+动作承受者动作承受者+谓语动词被动形式+by执行者,Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.,主动语态变被动语态的结构图:,主语,谓语动词过去式,宾语,时间状语,主语,谓语动词的过去分词,宾语,时间状语,写出动词的过去式和过去分词,1.show_2.shut_3.sing_4.sit_5.sleep_6.smell_7.speak_8.spell_,showed,shown,shut,shut

6、,sang,sung,sat,sat,slept,slept,smelt/smelled,smelt/smelled,spoke,spoken,spelt/spelled,spelt/spelled,9.work_10.invent_11.land_12.play_13.stop_14.shop_15.divide_plete_17.study_,worked,worked,invented,invented,landed,played,stopped,shopped,divided,completed,studied,用所给动词的正确形式填空：1.Thebike_(fix)upbyXiaomingyesterday.2.Shields_(use)forprotectingpeoplesbodyinthepast.3.Lastyear,apicture_(put)upontheblackboard.4.ShesaidFrench_(speak)inFrance.5.Teenage