【课件】Unit+3Discovering+Useful+Structures+公开课课件高中英语人教版（2019）必修第二册

Unit3TheInternetDiscoveringUsefulStructureThePresentPerfectPassiveVoiceKnow

the

form,the

meaning

and

the

function

of

the

present

perfect

passivevoice;Usethepresentperfectpassivevoicetodosomeexercises;Talk

about

the

things

that

have

been

done.LearningobjectivesAppreciateapoemLookatthewayyourfacehasbeenwashedLookatthewayyourteethhavebeenbrushedLookatthewayyourshoeshavebeencleaned

You’dbetterdothemagain.LookatthewaytheflowershavebeenplantedLookatthewaythegrasshasbeencutLookatthewaythepathshavebeensweptIhopethatyou’llcomehereagain.LeadinWhat’sthecommonverbformofthesesentences?thepresentperfectpassivevoice现在完成时被动语态Activity1Jan’slifehasbeengreatlyimprovedbytheInternet.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.TheInternethasgreatlyimprovedJan’slife.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.Howdoweformthepresentperfectpassivevoice?Fillintheblank.have/hasbeen+v-edReadthepairsofsentences.Underlineandcomparethedifferentverbforms.1

Theresearchhasbeendone

successfully.2

The

computer

has

been

used

for3years.3

The

dirty

clothes

have

been

cleaned.现在完成时的被动语态形式意义have/has+been+done已经被...了Activity2含义：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。主语是动作的承受者。Underlinethegrammar

structure

andfillinthe

form

below1Wehavebeentoldthetimeofthelecture.2Thedatehasnotbeendecidedyet.3

Havethelostkeysbeenfound?4

Howlonghashishomeworkbeenfinished?现在完成时的被动语态肯定式否定式一般疑问句式特殊疑问句式have/has+been+donehave/has+not+been+donehave/has+主语+been+done特殊疑问词+have/has+主语+been+doneActivity3Understandtheunderlinedpartsandfillinthe

form

belowegThebikehasnotbeenrepairedyet.IhavealreadybeenintroducedtoMr.Smith.

现在完成时的被动语态同它的主动语态一样，强调过去的动作对现在的影响或结果，主语和谓语之间为被动关系(already,yet,just,ever,never,before，recently...)Theusageof

thepresentperfectpassivevoiceegThisclasshavebeentaughtbyMr.Brownfortwoyears.Rowling’snovelshavebeentranslatedintomanyforeignlanguagessofar.表示一个被动的动作或状态开始于过去，持续到现在，并可能持续下去(for+一段时间；since+过去的某个时间/时间状语从句;

sofar;upto/till/bynow;thesedays;over/in/duringthepast/lastyears).Greatchanges__________________(take)placeinmyhometowninthepast10years.注意：不及物动词和不及物动词短语，没有被动语态，rise,happen,takeplace,breakout,die,disappear...havetakenplace1.Themachine______________(repair)already.2.Themachine_______________(repair)yesterday.hasbeenrepairedwasrepaired一般过去时的被动语态所表示的动作或状态只说明动作发生在过去,与现在的情况没有联系，而现在完成时的被动语态则强调与现在的情况有联系。注意事项一短语动词不能分割,laughat,operateon,listento,lookafter,takecareof,thinkof,而且不能省略短语动词中的介词或副词。

FT注意事项二判断正误:Thepatienthasbeentakengoodcare.(

)Thepatienthasbeentakengoodcareof.()Activity4Changethesentencesintothepresentperfectpassivevoice.1Ihavedownloadedthesoftwaretohelpmyphonebatterylastlonger.

→2Someonehaslostanidentitycard.→3HaveyouconfirmedtheWi-Fipassword?→4Haveyoupressedthebuttonyettocopythefile?→5Hasanyonemadeacommentabouttheonlinedatabase?

→1Ihavedownloadedthesoftwaretohelpmyphonebatterylastlonger.

→2Someonehaslostanidentitycard.→3HaveyouconfirmedtheWi-Fipassword?→4Haveyoupressedthebuttonyettocopythefile?→5Hasanyonemadeacommentabouttheonlinedatabase?

→Thesoftwarehasbeendownloadedtohelpmyphonebatterylastlonger.Anidentitycardhasbeenlost.HastheWi-Fipasswordbeenconfirmed?Hasthebuttonbeenpressedyettocopythefile?Hasa/anycommentbeenmadeabouttheonlinedatabase?Activity5Thinkand

AnswerWhatarethesimilaritiesanddifferencesbetweentheactiveandpassiveforms?两者都表示动作已经完成，并对现在造成影响或动作从过去开始持续到现在；现在完成时，意为“已经做了

”，主语是谓语动作的发出者；现在完成时的被动语态，

意为“已经被做了

”

主语是谓语动作的承受者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?用法表示某被动动作对现在造成的影响或结果表示开始于过去并可能持续下去的被动动作注意事项区分have/hasbeendonewere/wasdone不及物动词或词组无被动SUMMMARY动词短语不可分割也不可省略其中的介词和副词1Theplan_______________(discuss)fortwohours.2Someefforts_____________(make)toimprovetheairqualityinthecitylastwinter.3Thealarmingreport____________(write).Itwillbefinishedsoon.4Bothlearningsites_______________(visit)byover10,000peoplesincelastyear.weremadeisbeingwrittenhas

been

discussedExercise1havebeenvisitedhousedestroyearthquakealreadyThehouse

hasbeendestroyed

bytheearthquakealready.Exercise2根据所给图片及提示词，

用现在完成时的被动语态写句子Soldiershavebeensenttorescuethosewhoaretrapped.soldiersendrescuetrapManytentshavebeensetupforthevictimssofar.tentsetup

victimsofarExercise3FreeTalkUsethepresentperfectpassivevoicetotalkaboutwhatyou

havedoneorhaven’t

donethi