Unit3TheInternetDiscoveringUsefulStructures课件高一英语人教版

人教必修第二册Unit3Period3DiscoveringUsefulStructures(

英语

)ENGLISH新课导入PassiveVoiceSong1）能理解现在完成时的被动语态的结构、用法及其与现在完成时的主动语态的区别；2）能正确运用现在完成时的被动语态进行口头和书面表达。课堂学习Lookatthepicture.Trytounderstandwhattheboysays.IwasinhospitalIamstillinhospitalThePresentPerfectTense①Unfinishedeventsthatstartedinthepastcontinuetothepresent.e.g.IhavelivedinChangshaforfiveyears.(IstillliveinChangshanow.)e.g.IhavelivedinChangshasince2015.ThePresentPerfectTense②Finishedeventsinsomeone'slife.(Ifthepersonisstillalive—lifeexperience)e.g.HaveyouevereatenSushibeforee.g.Hehasnevertraveledbyplane.(heisalive)ThePresentPerfectTense③Finishedeventshappenedinthepastandtheimpactoftheeventisnowcontinuing.e.g.Hehasnotdonehishomework.(Effect:Hisfathercriticizeshim.)e.g.Wecan'treachPaulbyphone.HaveyouseenhimThePresentPerfectTense④Itisusedtowithunfinishedtimewords(today,thisweek,thisyearetc.).e.g.Ihaveeatenlotsofplumpstoday.(todayisnotoveryet)e.g.Wehaven'tseenMarythismonth.Maybesheisbusywithherwork.ThePresentPerfectTense⑤Expressanactionthatfinishedrecently.e.g.Shehasjustcookeddinner.e.g.Ihaveabadnews.Ihavelostmyjob.Readthepairsofsentences.Underlineandcomparethedifferentverbforms.Jane'slifehasbeengreatlyimprovedbytheInternet.TheInternethasgreatlyimprovedJane'slife.Thefirstoneispassiveform,whilethesecondoneisactive.hasbeenv-edhasv-edMuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.Thefirstoneispassiveform,whilethesecondoneisactive.hasbeenv-edhasv-edHowdoweformthepresentperfectpassivevoiceFillintheblank.VerbformActive

have/has+v-edPassivehave/hasbeen+v-edChangethesentencesintothepresentperfectpassivevoice.EXAMPLE:They'vebuiltakindofnewPCwithmorefunctions.AkindofnewPChasbeenbuiltwithmorefunctions.

1.Ihavedownloadedthesoftwaretohelpmyphonebatterylastlonger.Thesoftwarehasbeendownloadedtohelpmyphonebatterylastlonger.2.Someonehaslostanidentitycard.Anidentitycardhasbeenlostbysomeone.3.Haveyouconfirmed

theWi-Fipassword?HastheWi-Fipasswordbeenconfirmed4.Haveyoupressed

thebuttonyettocopythefile?Hasthebuttonbeenpressedyettocopythefile5.Hasanyonemade

acommentabouttheonlinedatabase?HasacommentbeenmadeabouttheonlinedatabaseFindoutthedifferencesinmeaningandfunctionbetweentheactiveandpassiveforms.ActiveVoicee.g.TheInternethasimprovedJane'slife.PassiveVoicee.g.Jane'slifehasbeengreatlyimprovedbytheInternet.thedoeroftheactionthedoeroftheactionthereceiveroftheactionthereceiveroftheactionThesubject(theInternet)ofthesentenceisdoingtheaction.Theactionisdoneuponthesubject(Jane'slife).ActiveVoicee.g.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.PassiveVoicee.g.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.Meaningismoreclearanddirect.Thetoneisauthoritativeandsubjective.Meaningcanbeconfusingandindirect.Thetoneisneutralorobjective.Weusethepassivevoicewhen:Wewanttoemphasizetheactionmorethanthepersonwhoperformingit,becausetheactionismoreimportant.e.g.Hiswatchhasbeenstolen.Theagent(行为主体)isunknown,unimportantorobviousfromthecontext.e.g.Thisroadhasn'tbeenusedforalongtime.Wewanttobeformal,impersonal,academic.(likeformalreports,descriptionoftheprocess,instructions,academicwriting...)e.g.Muchresearchhasbeendoneaboutsecondlanguageacquisition.Keywords1.function/ˈfʌŋkʃn/n.功能，作用

tofulfill/performafunction发挥功能bodilyfunctions身体机能e.g.Thefunctionoftheheartistopumpbloodthroughthebody.心脏的功能就是把血液输往全身。

v.

起作用，正常工作，运转

e.g.Despitethepowercuts,thehospitalcontinuedtofunctionnormally.尽管供电中断，医院继续照常运作。e.g.Thesofaalsofunctionsasabed.这沙发还可当床用。2.confirm/kənˈfɜːm/v.确认，使确信e.g.Hisguiltyexpressionconfirmedmysuspicions.他内疚的表情证实了我的猜疑。e.g.Haseveryoneconfirmed(that)they'recoming他们是不是每个人都确定了一定会来？e.g.Ithasbeenconfirmedthatthemeetingwilltakeplacenextweek.已经确定会议将于下个星期举行。3.press/pres/v.按，压，敦促

topressabutton/switch/key按下按钮／开关／按键e.g.Shepressedherfaceagainstthewindow.她把脸贴在窗子上。

e.g.Theyarepressingustomakeaquickdecision.他们正催促我们尽快做决定。

n.

报刊杂志，新闻工作者e.gThestorywasreportedinthepressandontelevision.这件事已在报刊和电视上报道了。Readthepoem.Thenthinkofyourownsituationandwriteasimilarpoem.LookatthewayyourfacehasbeenwashedLookatthewayyourteethhavebeenbrushedLookatthewayyourshoeshavebeencleanedYou'dbetterdothemagain.LookatthewaytheflowershavebeenplantedLookatthewaythegrasshasbeencutLookatthewaythepathshavebeensweptIhopethatyou'llcomehereagain.HowtoWriteaGoodPoemWritingpoetryisawaytoconveyemotionsandmemorieswithoutdirectlystatingwhatyouaredescribing.Towriteagoodpoem,youshould:Choosethetypeofpoemyouwantittobe.Asabeg