英语课件unit9SectionA.ppt

SectionA,葛敏杏波塘中学,Unit9Whenwasitinvented?,Guessing:Whatisit?,part1,Guessing:Whatisit?,Guessing:Whatisit?,ItisaMicrowaveoven,Itisusedforcookingandheatingfood,(加热),Whatisitusedfor?,Whatfoodcanbeheatedinit?,Whatisitusedfor?,Itisusedforcounting.,calculator,Whataretheyusedfor?,Theyareusedforgivinglight.,lightbulbs,Whatis/areusedfor?Its/Theyreusedfor,part2,alarmclock,Itsanannoyinginvention.BecauseitwakesmeupwhenImsleeping.,Ithinkcomputeristhemosthelpfulinvention.BecauseithelpsmesearchtheinformationthatIneed.,part3,Asurvey:Whatdoyouthinkisthemosthelpful/annoyinginventions?,Usefulexpressions:A:Whatdoyouthinkisthemosthelpful/annoyinginvention?B:IthinkthemosthelpfulinventionisA:Whyisthat?B:Well,itgives/helpspeople,HenryFordEdisonBellTsaiLunWrightbrothersfisher,inventors,inventions,PapermakingPlaneWashingmachineLightbulbCarTelephone,1b,Listenandmatchtheinventionswiththedates.,a,b,e,d,c,18761885192719711976,d,a,b,e,c,1876,1885,1927,1971,1976,part5,Whenwasthecarinvented?Itwasinventedin1885.,Chineseinventions,Howmanyinventionsdoyouknow?,Groupwork:,battery-operatedslippers,heatedicecreamscoop,shoeswithadjustableheels,电池供电的拖鞋,加热的冰激凌勺,可调节后跟的鞋,2a,Listenandnumbertheinventionsintheorderthatyouhear.,3,1,2,2bListenagain.Matchtheinventionswiththeirinventorsanduses.,Inventionshoeswithadjustableheelsbattery-operatedslippersheatedicecreamscoop,Whowasit/weretheyinventedby?ChelseaLanmonJayceCoziarandJamieEllsworthJulieThompson,Whatisit/aretheyusedfor?scoopingreallycoldicecreamseeinginthedarkchangingthestyleoftheshoes,musiccandle,activityglasses,temperaturecup,Challenge:,Trytobeaninventor!,Welcome!,Thepassivevoice.,被动语态,被动语态的构成:,be动词+(及物动词的)过去分词,一般现在时,一般过去时,Homework:DescribeoneofyourinventionsAndthenwriteitdown.,被动语态专项复习,被动语态基本用法当句子的主语是动作的执行者时，谓语的形式是主动语态。当句子的主语是动作的承受者时，谓语要用被动语态。被动语态由助动词be+过去分词构成，时态通过be表现出来。,Hisbrotherwashesbowlseveryday,主,谓,宾(受动者),Bowls,arewashed,by,hisbrother,everyday.,改为被动语态,1.Theymakeshoesinthatfactory.主语+及物动词+宾语,Shoesaremade(bythem)inthatfactory.一般现在时：,变为被动语态,S(主语）+am/is/are+过去分词,Hisbrotherwashesbowlseveryday,主,谓,宾(受动者),Bowls,arewashed,by,hisbrother,everyday.,改为被动语态,1.Theymakeshoesinthatfactory.主语+及物动词+宾语,Shoesaremade(bythem)inthatfactory.一般现在时：,变为被动语态,S(主语）+am/is/are+过去分词,TheyplayfootballonSunday.Lucydoesthehomeworkintheevening.Theyoftenusecomputersinclass.WemakethesemachinesinBeijing.,FootballisplayedbythemonSunday.,ThehomeworkisdonebyLucyintheevening.,Computersareoftenusedbytheminclass.,ThesemachinesaremadeinBeijing.,Helookedafterthelittlebabyyesterday.,主,谓,宾(受动者),Thelittlebaby,waslookedafter,by,him,yesterday.,2.Theyboughttencomputerslastterm,Tencomputerswerebought(bythem)lastterm.,一般过去时：,主+was/were+过去分词,Theybuiltthetallbuildinglastyear.Hetookgoodcareofhislittlebrotheryesterday.Wecleanedourclassroomjustnow.Theyusedthisroomforresting.,Thetallbuildingwasbuiltbythemlastyear.,Hislittlebrotherwastakengoodcareofbyhimyesterday.,Ourclassroomwascleanedbyusjustnow.,Thisroomwasusedforrestingbythem.,Tomwillcleantheroomtomorrow.,主,谓,宾(受动者),Theroom,willbecleaned,by,Tom,tomorrow.,3.Theywillfinishtheworkintendays.,Theworkwillbefinished(bythem)intendays.,一般将来时：主+will+be+过去分词,Wewillhaveasportsmeetingnextweek.Childrenwilltakesomephotosintheschoolyardtomorrow.Theheadmasterwillgiveatalkthisafternoon.,Asportsmeetingwillbehadbyusnextweek.,Somephotoswillbetakenbychildrenintheschooltomorrow.,Atalkwillbegivenbytheheadmasterthisafternoon.,4AmycantakegoodcareofGina,GinacanbetakengoodcareofbyAmy.,情态动词：主+can/may/must/should+be+过去分词,1.Hecantakecareofthebaby.2.Lucymaydrawthepictures.3.Youmustturnoffthelights.4.TheyshouldlearnEnglishwell.,Thebabycanbetakencareofbyhim.,ThepicturemaybedrawnbyLucy.,Thelightsmustbeturnedoffbyyou.,Englishshouldbelearnedwellbythem.,Exercises：1.ManypeoplespeakEnglish.2.Peopleusedknivesforcuttingthings.3.Wecanusetheboxasatable.4.Weshouldcleantheclassroomeveryday.5.Shewillrepairthebiketomorrow.,下列时态的被动语态构成1.Lucyiswateringthetrees.2.Wehavefinishedourcompositions.,看一看想一想,Someworkersarepaintingtheroomsnow,Theroomsarebeingpaintedbysomeworkersnow.现在进行时：主+am/is/are+being+过去分词,Wehavemadetwentymorekeys,Twentymorekeyshavebeenmadebyus.现在完成时：主+have/has+been+过去分词,各种时态的被动语态构成,一般现在时：一般过去时：一般将来时：情态动词：过去进行时现在完成时：,主+am/is/are+done,主+can/may/must/should+be+done,主+will+be+done,主+was/were+being+done,主+have/has+been+done,主+was/were+done,各种时态的被动语态构成,中考挑战,中考被动语态考题1.Theriversmellsterrible.Peoplemust_dirtythingintoit.(南京市中考题）AbestoppedtothrowBbestoppedfromthrowingCstoptothrowDstopfromthrowing2.Thisbook_often_fromthelibrary.(北京市中考题）AarenttakeawayBtakenawayCisnttakenawayDbetakenaway3.He_(tell)toreturnhisbookstothelibraryyesterday.(黄冈市中考题）,wastold,5.Anotherman-madesatellitewassentupintospacebythemlastweek(济南市中考题）anotherman-madesatelliteintospacelastweek.变主动语态7.Peoplethereplantedmanytreeslastyear.Trees_bypeopletherelastyear.(青岛市中考题）8.Theygrowvegetablesonthefarm.Thevegetabl