九年级英语：Unit9 When was it invented Section A课件 人教版新目标.ppt

Whenwasitinvented?,Unit9,Whatis/areusedfor?Its/Theyreusedfor,A:Whenwasthe_invented?B:Ithinkitwasinventedin_.,Pairwork(1c:P68),1976,1885,1876,1927,1971,A:Whatisthe_usedfor?B:Itisusedfor_.,talkingwithpeople,(talkwithpeople),A:Whatisthe_usedfor?B:Itisusedfor_.,(study),studying,A:Whatisthe_usedfor?B:Itisusedfor_.,(count),counting,Whataretheyusedfor?,Theyareusedforgivinglight.,lightbulbs,Whoinventedthecar?,_inventedthecar.,KarlBenz,KarlBenz,Thecar_by_.,wasinventedhim,1885,Whenwasitinvented?,wasinvented,1971,It_in_.,1971,Bell,A:Whowasthetelephoneinventedby?,B:Itwasinventedby_.,A:Whenwasitinvented?,B:Ithinkitwasinventedin_.,alarmclock,Itsanannoyinginvention.BecauseitwakesmeupwhenImsleeping.,Ithinkcomputeristhemosthelpfulinvention.BecauseithelpsmesearchtheinformationthatIneed.,inventions,highheels,adjustableheels,adjustable可调整的,inventions,icecreamscoop,heat加热,scoop,inventions,slippers,abattery,batteries,operate操作,Whoweretheyinventedby?Whataretheyusedfor?,adjustable可调整的,operate操作,heat加热,Listening,Listenandnumbertheinventionsintheorderthatyouhear.,2a,3,1,2,Listenagainandfillintheblankswiththewordsyouhear.,2b,A:Whatarethose?,B:Theyarebatteryoperatedslippers.,A:_aretheyusedfor?,What,B:They_forseeinginthedark.,A:Thatscool!_weretheyinvented_?,B:JulieThompson.Andlookatthisheated_.,A:Iknowwhatitsfor.Itsusedfor_,outreallycoldicecream.,are,used,Who,by,cold,ice,cream,scooping,B:Right.It_byChelsea,A:Myfavoritearethoseshoeswith,_heels.Youknowyoucanmovetheheels_and_,up,down.,Theywereinvented_JayceCoziar,andJamieEllsworth.,was,invented,adjustable,by,B:Andwhataretheyusedfor?,A:Well,youcanchangethe_ofyourshoes.Youcan_theshoesgo,fromcasualtodressy.,Lanmon,style,make,shoeswithadjustableheels,Whatarethey?,Whoweretheyinventedby?,JayceCoziarandJamieEllsworth,changingthestyleoftheshoes.,Whataretheyusedfor?,Practice:,battery-operatedslippers,JulieThompson,seeinginthedark,Whatarethey?,Whoweretheyinventedby?,Whataretheyusedfor?,heatedicecreamscoop,ChelseaLanmon,scoopingcoldicecream,Whatisit?,Whowasitinventedby?,Whatisitusedfor?,用“invented”或“usedfor”填空.1.Whatareelectricslippers_?2.Whowereshoeswithadjustableheels_by?3.Whenwastea_?4.Whataremicrowaveovens_?5.Whenwerepotatochips_?,EXERCISES,usedfor,invented,usedfor,invented,invented,A:Look!Thislookssointeresting!B:Ah,itsagreatinventionofChina.A:Really?When_it_?B:Ithinkit_inHanDynasty.(汉朝)A:What_it_for?B:Guess!A:_it_forholdingwater?B:No.It_fortestingearthquakes.A:Wow,itsreallyamazing!,was,invented,was,invented,is,used,Is,used,is,used,abacusinthesixcenturyChinesecalculating,PAIRWORK,WhattelescopeWhen1609WhoGalileoUsewatchingstars,.主动语态与被动语态：英语动词有两种语态,即主动语态(TheActiveVoice)与被动语态（ThePassiveVoice)。主动语态表示主语是动作的执行者;被动语态表示主语是动作的承受者。,主动语态,被动语态,主动语态,被动语态,e.gManypeoplespeakEnglish.,主动语态变被动语态的步骤：1、主动语态的宾语变为被动语态的主语；2、主动句的谓语动词变为被动结构；3、主动句的主语变为被动句的宾语，由by引出，当不强调动作的执行者时，常省略。4.其它成分不变。,变被动语态时需要注意的事项,一变二套三注意,宾变主，主变宾，宾语前面by跟，谓语动词变过分，不忘前面be动词跟,套时态，主被动时态一致,注意因人称的变化而引起的主谓一致问题。,各种时态的被动语态的构成：,1.一般现在时态am,is,are+过去分词2.一般过去时态was,were+过去分词3.一般将来时态will/am.is.aregoingto+be+过去分词4.过去将来时态would/was.weregoingto+be+过去分词5.现在完成时态have,has+been+过去分词6.过去完成时态had+been+过去分词7.现在进行时态am,is,are+being+过去分词8.过去进行时态was,were+being+过去分词9.含情态动词的情态动词+be+过去分词,所有时态的被动语态否定就是在最前面的助动词后加not疑问就是把最前面的助动词提前。,Manytreesarenotbeingplantednow,Aremanytreesbeingplantednow?,把下列的句子变为被动语态的句子：1、TheyspeakEnglishinCanada.2、Peopleusedwoodformakingtables.3、TheyaremakingcomputersintheUSA.,EnglishisspokeninCanada(bythem).,Woodwasusedformakingtables.,ComputersarebeingmadeintheUSA.,把被动句变否定,ComputersarentbeingmadeintheUSA.,4、TheyhavegrownriceinSouthChina.5.Wemustplantmoretreesnextyear.6.Iamgoingtocleanourclassroomtomorrow.,Moretreesmustbeplantednextyear.,Ourclassroomisgoingtobecleanedtomorrow.,RicehasbeengrowninSouthChina.,把被动句变疑问.,HasricebeengrowninSouthChina？,变被动语态的特殊情况,一、双宾语,buy/makesbsth,=buy/makesthforsb,givesbsth,=givesthtosb,1.Myfatherboughtmeacomputer.,Acomputerwasboughtformebymyfather.,Iwasboughtacomputerbymyfather.,2.Hegivesmeabook.,Abookisgiventomebyhim.,Iamgivenabookbyhim,Sth+be+过去分词+for/tosb+bysb.,Sb+be+过去分词sth+bysb,二、无to不定式,一感二听三让四看,feel,listento.hear,let.have.make,watch.see.lookat.notice,变为被动时加上to,eg.Weoftenseehimplaybasketball.,Heisoftenseentoplaybasketballbyus.,Thebossmadethechildrenworkforlong.,Thechildrenweremadetoworkforlongbytheboss.,三、注意动词短语的,常考到的动词短语有,完整性,takecareof,lookafter,listento,speakto,eg.1.Weshouldspeaktotheoldpolitely.,Theoldshouldbespokentopolitely.,2.Thenursetakesgoodcareofthebaby.,Thebabyistakengoodcareofbythenurse.,四、无被动语态的动词。,不及物动词及系动词,happen,takeplace,die,rise,cometrue,comeout,eg.1.Anaccident(happen)justnow.,happened,2.Imsurethatmydream.(com