Unit3TheInternetDiscoveringUsefulStructures现在完成时的被动语态课件-高中英语人教版

Unit3The

Internet—Grammar

thepresentperfectpassivevoice现在进行时的被动语态HinaNotonlyhastheInternetmadeourlivesmore1.__________（convenience），butpeople’sliveshavealsobeenchangedbyonlinecommunitiesandsocialnetworks.TakeJanTchamani，anEnglishteacher，forexample.Shehadtoquitherjob2.________________shedevelopedaseriousillness.Withonlyhercomputertokeephercompany，shefeltlonelyand3.______（bore）.However，bysurfingtheInternet，shefoundherlifegreatlychangedsincetheInternetwasabletokeeppeopleclosernomatter4.________theylive.  5.___________（inspire）bythepeopleshemetonline，shedecidedtostart6._____ITclubtoteacholderpeoplehow7._______（use）computersandtheInternet.InordertolearnmoreabouthowtousetheInternettomakesociety8._________（good），Janherselfhasstartedtakingonlineclasses.Shebelievesthatitis9.

________（high）importanttobridgethedigitaldivideandmakesurethateveryonehasaccesstotheInternetandknowshowtousenewtechnology.Hernextgoalistostartacharitywebsitetoraisemoneyforchildreninpoor10.___________（country）.DuetotheInternet，Jan’slifehasbeengreatlyimproved.convenientbecause/since/asboredwhereInspiredantousebetterhighlycountriesReview5’学习目标(1’)1.Observeandsummarizetheformandthe

functionsofthepresentperfectpassivevoice;2.Compare

thepresentperfectpassivevoicewith

theactivevoice,andchange

theactiveform

intothe

passiveform;3.ApplythepresentperfectpassivevoiceintouseHowhasourlifebeenchangedbytheInternetAlipayhasbeenusedtopayforgoodsandservices.Cashwasexchangedforgoodsandservicesinthepast.课前提问HowhavewebeenchangedbytheInternetMobilephonesandtelephoneswereusedforsocialcommunicationinthepast.Socialmediaappshavebeendownloadedforsocialcommunication.HowhavewebeenchangedbytheInternetLocalnewspapersweresubscribedtokeepupwiththenewsinthepast.过去人们订阅地方报纸是为了及时了解新闻。Anynewsfromanywhereintheworldhasbeenupdateduptotheminutewithaclickortwo.世界上任何地方的任何新闻都可以通过点击一两下更新到每分钟。HowhavewebeenchangedbytheInternetAllkindsofmallsandstoreswerefrequentlyvisitedforshoppinginthepast.在过去，人们经常去各种各样的商场和商店购物。Morethan15billionitemshavebeensoldonT-mallin2021.

2021年，天猫上的商品销售额已超过150亿件。1.MuchhasbeenwrittenaboutthewondersoftheWorldWide

Web.问题导学1(1’)Observeandtranslatethefollowingsentences,andtrytofindsomethingincommonfromthesesentences.2.People’sliveshavebeenchangedbyonlinecommunitiesand

socialnetworks.3.Manypeoplehavebeenhelpedbytheclub.…已经被书写…已经被改变have/hasbeendone

…已经被做表示“某人/某事/某物已经被…”…已经被帮助hasbeenwrittenhavebeenchangedhavebeenhelpedTheInternethasgreatlyimprovedJan'slife.theInternet.Jan'slifehasbeengreatlyimprovedby主语谓语宾语TheInternethasgreatlyimprovedJan'slife宾语主语

谓语变被动

has/have+been+done+bychangethemintothepassivevoice问题导学1(4’)Ihavedownloadedthesoftwaretohelpmyphonelastlonger.meThesoftwarehasbeendownloadedby主语谓语宾语Ihavedownloadedthesoftware宾语主语

谓语变被动

have/has+been+done+by()tohelpmyphone

lastlonger.changethemintothepassivevoicePeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.peopleMuchhasbeenwrittenby主语谓语宾语Peoplehavewrittenmuch宾语主语

谓语变被动

have/has+been+done+by()aboutthewondersoftheWorldWideWeb.changethemintothepassivevoiceFromthesentencesabove,wecanknowthatthestructure:Otherforms:肯定结构否定结构一般疑问结构特殊疑问结构have/has＋beendonehave/has＋not＋beendonehave/has＋主语＋beendone特殊疑问词＋have/has＋主语＋beendoneVerbformPassiveActivehave/has+been+v-edhave/has+v-edSummarizethestructure点拨运用1(2’)1.He________________totakepartinthesportsmeeting．(肯定句)他已被挑选出来参加运动会。(select)2.Theink____________________fromhisovercoat．(否定句)墨迹还没有从他外套上去掉。(remove)3._____thedateforthenextmeeting_____________(一般疑问句)下次会议的日期已确定了吗？(decide)4._______________thebattery_______________(特殊疑问句)电池多久没有更换了？(change)hasbeenselectedhasnotbeenremovedHasbeendecidedHowlonghasnotbeenchanged即学即练即学即练1.Ihaveaskedhertohelpyou.将下列主动句变为被动句2.Theyhavefoundagoodplacetobuildalibraryinthecity.3.Wehaveplantedmanytreesonthehillinthelasttwoyears.Shehasbeenaskedbymetohelpyou.Agoodplacehasbeenfoundbythemtobuildalibraryinthecity.Manytreeshavebeenplantedbyusonthehillinthelasttwoyears.Theletter

(post)already.Observethefollowingsentencesandtrytofillintheblanks.hasbeenpostedManyhouses

(build)forthepoorsofar.havebeenbuilt点拨运用2(8’)用法1:被动动作发生在过去并已经完成,对现在造成影响或产生结果。(already,yet,sofar,bynow)问题导学2(4’)Themachine

(repair)fortwohoursbutitstilldoesn’twork.hasbeenrepairedPapermoney

(use)forover50years.hasbeenused点拨运用2(4’)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)Everyonewillfeelextremelydelightedifhe________________(admit)toTsinghuaUniversity.Wewillstartassoonasthework________________(finish).hasbeenadmittedhasbeenfinished用法3:在时间/条件状语从句中表示可能还没有发生的被动动作。即用现在完成时的被动语态代替将来完成时的被动语态点拨运用2(10’)1.Themachinehasbeenrepairedalready.2.Themachineisbeingrepairednow.

3.Themachinewasrepairedyesterday.说明动作发生在过去,对现在有影响,“现在修好了”说明动作正在进行只说明动作发生在过去4.Thebabyhasbeentakengoodcareof.4.Thebabyhasbeentakengoodcare.Attention:在被动结构中,动词短语的介词或副词不可去掉5.Greatchangeshavebeentakenplacesince1978.5.Greatchangeshavetakenplacesince1978.Attention:不及物动词或词组无被动即学即练1.Morethan5000usedbikes

(collect)

sincethetwobrotherssetuptheorganization.2.He

(employ)atthisjobsince1990.3.Hisnovel

(translate)into25languages.havebeencollectedhasbeenemployedhasbeentranslated课堂小结(1’)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无被动1.他的小说还没有出版。Hisnovel____________________．(publish)2.所有的信都已经寄出去了吗？______alltheletters___________？

(post)3.他的工作尚未完成。(finish)Hiswork__________________．4.新的订票制度已在使用中了吗？______thenewbookingsystemsfortickets_________？5.Theyhavebuiltmanyhousesinthetowninthepastfewyears.→Manyhouses____________inthetowninthepastfewyears.hasnotbeenpublishedHavehasnotbeenfinishedbeenusedbeenpostedHavehavebeenbuilt当堂检测(12’)6.Wehaveplantedmanytreesonthehillinthepast5years.→Manytrees_______________onthehillinthepast5years.7.Hissisterlefthomein1998and_______________since.(hear)8.你可以出去，除非你的作业已经完成了。Youcangooutunlessyourhomework______________．9.新的铁路一旦建成，到达北京的用时就会更短(complete)Oncethenewrail