九年级英语全册Unit9Whenwasitinvented人教版.ppt

Unit9Whenwasitinvented?,读读译译，看看你会发现什么？,*Teenagersshouldbeallowedtochoosetheirownclothes.*Imallowedtogoshoppingwithmyfriends.*Yourdonationisgreatlyappreciatedandthemoneyiswellusedtohelpdisabledpeoplelikeme.*Themoviewillbeputoffuntilnextmonth.*Holdontoyourdreams,onedaytheywillbeachieved.*Aftertheearthquake,alotofmoneywasgivenawaytocharities.*Thedoghasbeentrainedtounderstanddifferentinstructions.,被动语态,ThePassiveVoice,be+done,被动语态的基本结构:,有各种时态的变化,1.被动语态的构成,英语动词有两种语态：主动语态(theActiveVoice)被动语态(thePassiveVoice),A.主动语态表示主语是动作的执行者。,B.被动语态表示主语是动作的承受者。,Weplantedthetree.,Thetreewasplantedbyus.,WespeakEnglish.,主语,谓语,宾语,Englishisspokenbyus.,主语,谓语,宾语,主动语态,被动语态,Theycleanedtheclassroomyesterday.昨天他们打扫了教室。Theclassroomwascleanedbythemyesterday.昨天教室被他们打扫了。,1.NowEnglish_bymoreandmorepeopleallovertheword.A.speaksB.isspokenC.wasspoken,一般现在时的被动语态：am/is/are+done,2.Thelostboy_atthestreetcornerlastnight.A.wasfoundB.isfoundC.waslookedfor,一般过去时的被动语态：was/were+done,3.Moreman-madesatellites_inthefuture.A.willsendupB.willbesentupC.aresentup,一般将来时的被动语态：will+be+donebegoingto+be+done,4.Threebridges_sincelastyear.A.havebuiltB.werebuiltC.havebeenbuilt,现在完成时的被动语态：have/has+been+done,5.Flowers_everyday.A.hasbeenwateredB.shouldbewateredC.shouldwater,含有情态动词的被动语态：情态动词+be+done,1.ThomasEdisoninventedthelightbulb.2.Theboydidntthrowthestonejustnow.3.MrBushtooksomephotosinParis.4.Icantrepairthebrokenkite.,将下列句子改为被动语态,ThelightbulbwasinventedbyThomasEdison.,Thestonewasntthrownbytheboyjustnow.,SomephotosweretakenbyMrBushinParis.,Thebrokenkitecantberepairedbyme.,Period1,SectionA,Fourancient(远古的,旧的)inventions,compass,gunpowder,printing,paper,abacus,inventions,car,WhatsthiscalledinEnglish?,television,telephone,computer,calculator,umbrella,alarmclock,camera,microwaveovens,abacuses,binoculars,lightbulbs,battery,batteries,WhatarethesecalledinEnglish?,Lookatthethings.Inwhatorder(顺序)doyouthinktheywereinvented?,A:Ithinkthecalculatorwasinventedbeforethecomputer.B:Well,Ithinkthecalculatorwasinventedafterthecomputer.,1a,A:IthinkwasinventedbeforeB:Well,Ithinkwasinventedafter.,Guess,Thecarwasinventedbeforethetelevision.,A:IthinkwasinventedbeforeB:Well,Ithinkwasinventedafter.,Guess,Thetelephonewasinventedbeforethecomputer.,A:IthinkwasinventedbeforeB:Well,Ithinkwasinventedafter,Guess,Thecamerawasinventedbeforethecalculator.Thecalculatorwasinventedafterthecamera.,Listenandmatchtheinventionswiththedates.,a,b,e,d,c,1876_1885_1927_1971_1976_,d,a,b,e,c,1b,A:Whenwasthe_invented?B:Ithinkitwasinventedin_.,1976,1885,1876,1927,1971,1c,Pairwork,3,1,2,2a,Listenandnumbertheinventionsintheorderthatyouhear.,A:Whatisit/aretheycalledinEnglish?B:Itis/TheyarecalledA:Whowasit/weretheyinventedby?B:Itwas/TheywereinventedbyA:Whatisit/aretheyusedfor?B:Itis/Theyareusedfor,GrammarFocus,GrammarFocus,1.小汽车是什么时候发明的？它是1885年发明的。,2.电控拖鞋是什么时候发明的？他们是去年发明的。,3.他们是谁发明的？他们是由朱莉.汤普森发明的。,4.他们是用来干什么的？他们被用来在黑暗中看清东西。,When_thecar_?It_in1885.,When_electricslippers_?They_lastyear.,_weretheyinvented_?Theywereinvented_Thompson.,_they_?Theyareusedforseeinginthedark.,was,invented?,invented,was,were,invented,were,invented,Who,by,by,what,are,used,for,英汉互译。,造纸术是什么时候发明的？造纸术是谁发明的？,4.纸是用来做什么的？它是用来写字的。,Whenwasthepapermakinginvented?,Whatwasthepaperusedfor?,2.纸是蔡伦发明的。,PaperwasinventedbyCailun.,3.纸是中国发明的。,PaperwasinventedinChina.,Itwasusedforwriting.,Whowasthepapermakinginventedby?,Thepassivevoice.,被动语态,主动语态变被动语态的结构图:,Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.,主语,谓语动词过去时,宾语,时间状语,主语,谓语动词的过去分词,宾语,时间状语,Sampledialogues:A:Whatisthis?B:Itisaheatedicecreamscoop.A:Whatisitusedfor?B:Itisusedforscoopingreallycoldicecream.A:Whowasitinventedby?B:ItwasinventedbyChelseaLanmon.,A:Whenwasitinvented?,A:Idontagree.Ithinkitwasinventedin1885anditwasinventedafterthetelephone.,B:Ithinkitwasinventedin1873,soitwasinventedbeforethetelephone.,Thepassivevoice.,被动语态,英语中动词有主动语态和被动语态两种语态.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,在被动语态中动作的执行者有时用by短语表示出来.,被动语态的构成:,助动词be+(及物动词的)过去分词,一般现在时,一般过去时,Thepassivevoice.,被动语态,被动语态的用法:,不知动作执行者时,常用被动语态.eg.Mybikewasstolenyesterday.ThiscarismadeinAmerican.2.不必要说出动作执行者时,常用.eg.Romewasnotbuiltinaday.3.为了突出强调动作的承受者时,常用被动语态.eg.Thousandsofb