Unit3TheInternetDiscoveringusefulstructures课件高中英语人教版2

ThePresentPerfectPassiveVoiceUnit3TheInternetDiscoveringUsefulStructureTohelptheSslearnthepresentperfectpassivevoiceToguidetheSstousethepresentperfectpassivevoicetodosomeexercisesTolettheSsreadapoemandlearntowritetheirownpoem挑事儿：Youhitme!Comeandhelpme!Iwashit/beaten.一、结构：be+doneThepassivevoice

被动语态二、意义：被动语态表示主语是动作的承受者。

以上句子中所使用的时态和语态是

。现在完成时的被动语态Anenemyhasbeenslained.一名敌人被击杀。Anally(同盟国，盟友)

hasbeenslained.我方队友被击杀。Youhavebeenslained.你被击杀了。1.以上句子中所使用的时态和语态是

。2.现在完成时的被动语态的构为：

。现在完成时的被动语态have/hasbeen＋过去分词Anenemyhasbeenslained.一名敌人被击杀。Anallyhasbeenslained.我方队友被击杀。Youhavebeenslained.你被击杀了。Presentation一.Observetheexamplesentencesandsummarizethestructuresofthepresentperfectpassivevoice.WhatisPresentPerfecttense?present(now)futurepastPresentPerfectTense

现在完成时现在完成时的结构主语+have/has+V-过去分词(done)助动词,无意义注：主语若是第三人称单数助动词用hasIhavedownloadedthesoftwaretohelpmyphonebatterylastlonger.Someonehaslostanidentitycard.Thesoftwarehasbeendownloadedtohelpmyphonebatterylastlonger.Anidentitycardhasbeenlost.HaveyouconfirmedtheWi-Fipassword?Haveyoupressedthebuttonyettocopythefile?HastheWi-Fipasswordbeenconfirmed?Hasthebuttonbeenpressedyettocopythefile?Findthepresentperfectpassivestructures.1.ThepartyhasbeenplannedsincetheNewYear.2.Manynewbuildingshavebeenbuiltinthepastfewyears.3.Theexperimenthasbeendonesuccessfully.

4.Themachinehasbeenrepairedfortwohours.5.Ihaven’tseenJamieintwomonths.6.Greatchangeshavetakenplaceinmyhometowninthepast10years.Jan’slifehasbeengreatlyimprovedbytheInternet.TheInternethasgreatlyimprovedJan’slife.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.passivevoicepassivevoiceactivevoiceactivevoiceThestudentshavecleanedtheclassroom.Theclassroomhasbeencleaned.Youneedn’tcleanitnow.现在完成时active(主动）passive（被动）定义：表示说话时已经完成的被动性的动作或结果，强调对现在的影响，主语是动作的承受者。have/has+v-edhave/has+been+v-ed用法现在完成时的被动语态一、现在完成时的被动语态的常用句式肯定式主语＋have/hasbeendone...否定式主语＋have/hasnotbeendone...一般疑问式Have/Has＋主语＋beendone...？特殊疑问式疑问词＋have/has＋主语＋beendone...？Anewnetworkhasbeensetup.一个新的网络已经建立起来了。ToTom’sdisappointment，hisnovelhasnotbeenpublished.让汤姆失望的是，他的小说还没有被出版。现在完成时的被动语态的用法用法1:被动动作发生在过去,已经完成,对现在造成影响或产生结果。(already,yet,sofar,bynow)Theletter

(post)already.hasbeenpostedManyhouses

(build)forthepoorsofar.havebeenbuilt用法2:被动动作发生在过去,持续到现在,并有可能继续持续下去。(for+一段时间;since；since+段时间+ago)Themachine

(repair)fortwohoursbutitstilldoesn’twork.hasbeenrepairedPapermoney

(use)forover50years.hasbeenused现在完成时的被动语态含义结构表示过去发生的被动动作现在已经完

成或仍将持续,强调对现在的影响have/hasbeendone形式肯定式否定式疑问式have/hasbeendonehave/hasnotbeendoneHave/Has+主语+beendone?特殊疑问词+have/has+主语+beendone?用法表示已经完成的被动动作表示开始于过去并可能持续下去的被动动作在时间状从,条件状从中,表示还未发生的被动动作注意事项区分have/hasbeendone/bebeingdone/bedone不及物动词或词组无被动现在完成时态的被动语态的判断句意

强调某一动作/行为从过去某一时间到现在被完成的情况。对应中文的“已经被...了”

Mymobileappshavebeenupdated.

我的手机应用已经被更新了。already已经

yet在疑问句和否定句中表示“尚(未),还(没)...”since+时间点

自从...for+一段时间

该行为或结果持续了一段时间during/over/in+一段时间

在...期间

完成时态的时间标志never从来没有

sofar,bynow,todate,untilnow,到目前为止before以前

recently最近

allthemorning整个上午

thesefewdays这些天

常与现在完成时连用的时间状语

already

已经(肯定句)

yet

已经（否定句或者疑问句）recently/lately最近

sincethen

从那时起eversince

自那以来

ever曾经sofar

迄今为止

foralongtime很长一段时间bynow/uptonow

到现在为止

inrecentyears

在最近几年里in/during/overthepast/lastyears在过去的几年里never,twice,threetimes,manytimes(表示说话前发生过一次或多次的动作)现在完成时被动语态的解题步骤1.找时：找与现在完成相对应的时间状语；2.圈主：主语与动词构成被动关系；3.定谓：确定谓动形式：have/has(not)beendone。Fillintheblankswiththesuitableformsofverbs.1.FirstasaPCandthenasalaptop,I

_______________

(use)inofficesandhomessincethe1970s.2.Overtimemymemory______________(develop)somuchthat

IneverforgetanythingI______________

(told).3.Sincethe1970smanynewapplications________________(find)

forme.4.Ihavealso_________

(put)intorobotsandusedtomakemobilephonesaswellas

______(help)withmedicaloperations.have

been

used

has

developedhavebeen

told

havebeenfoundbeenputhelp1.FirstasaPCandthenasalaptop,I______________(use)inofficesandhomessincethe1970s.2.Over

timemymemory______________(develop)somuchthat,likeanelephant,IneverforgetanythingI____________(told).3.Since

the

1970smanynewapplications_____________(find)forme.4.Ihavealso___________(put)intorobotsandusedtomakemobilephonesaswellas______(help)withmedicaloperations.

has

developedhave

been

told

have

been

foundbeenputhelphave

beenusedPracticeFillintheblankswiththecorrectverbformsinbrackets.5.Themachine

(repair)fortwohoursbutitstilldoesn’twork.hasbeenrepaired6.Papermoney

(use)forover50years.hasbeenused1.在过去的几十年里,互联网被很大程度改善了。

TheInternet__________________________inthepastdecades.翻译2.到目前为止,很多新的软件已经被开发出来了。

Sofar,alotofnewsoftware__________________________.3.自从互联网被应用以来,人们的生活被极大地改变了。

SincetheInternetwasapplied,people’slives_____________________________.hasbeengreatlyimprovedhasbeendevelopedhavebeenextremelychanged3Underlinetheuseofthepresentperfectpassivevoiceinthefollowingpoem.Thenfillinthechartbelow.LookatthewayyourfacehasbeenwashedLookatthewayyourteethhavebeenbrushedLookatthewayyourshoeshavebeencleanedYou’dbetterdothemagain.ThingsthathavebeendonewellThingsthathavebeendonebadlythewaytheflowershavebeenplantedthewaythegrasshasbeencutthewaythepathshavebeensweptthewayyourfacehasbeenwashe