Unit3TheInternetDiscoveringusefulstructures課件高中英語人教版2

ThePresentPerfectPassiveVoiceUnit3TheInternetDiscoveringUsefulStructureTohelptheSslearnthepresentperfectpassivevoiceToguidetheSstousethepresentperfectpassivevoicetodosomeexercisesTolettheSsreadapoemandlearntowritetheirownpoem挑事兒：Youhitme!Comeandhelpme!Iwashit/beaten.一、結(jié)構(gòu)：be+doneThepassivevoice

被動語態(tài)二、意義：被動語態(tài)表示主語是動作的承受者。

以上句子中所使用的時態(tài)和語態(tài)是

?，F(xiàn)在完成時的被動語態(tài)Anenemyhasbeenslained.一名敵人被擊殺。Anally(同盟國，盟友)

hasbeenslained.我方隊友被擊殺。Youhavebeenslained.你被擊殺了。1.以上句子中所使用的時態(tài)和語態(tài)是

。2.現(xiàn)在完成時的被動語態(tài)的構(gòu)為：

。現(xiàn)在完成時的被動語態(tài)have/hasbeen＋過去分詞Anenemyhasbeenslained.一名敵人被擊殺。Anallyhasbeenslained.我方隊友被擊殺。Youhavebeenslained.你被擊殺了。Presentation一.Observetheexamplesentencesandsummarizethestructuresofthepresentperfectpassivevoice.WhatisPresentPerfecttense?present(now)futurepastPresentPerfectTense

現(xiàn)在完成時現(xiàn)在完成時的結(jié)構(gòu)主語+have/has+V-過去分詞(done)助動詞,無意義注：主語若是第三人稱單數(shù)助動詞用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.現(xiàn)在完成時active(主動）passive（被動）定義：表示說話時已經(jīng)完成的被動性的動作或結(jié)果，強調(diào)對現(xiàn)在的影響，主語是動作的承受者。have/has+v-edhave/has+been+v-ed用法現(xiàn)在完成時的被動語態(tài)一、現(xiàn)在完成時的被動語態(tài)的常用句式肯定式主語＋have/hasbeendone...否定式主語＋have/hasnotbeendone...一般疑問式Have/Has＋主語＋beendone...？特殊疑問式疑問詞＋have/has＋主語＋beendone...？Anewnetworkhasbeensetup.一個新的網(wǎng)絡(luò)已經(jīng)建立起來了。ToTom’sdisappointment，hisnovelhasnotbeenpublished.讓湯姆失望的是，他的小說還沒有被出版?，F(xiàn)在完成時的被動語態(tài)的用法用法1:被動動作發(fā)生在過去,已經(jīng)完成,對現(xiàn)在造成影響或產(chǎn)生結(jié)果。(already,yet,sofar,bynow)Theletter

(post)already.hasbeenpostedManyhouses

(build)forthepoorsofar.havebeenbuilt用法2:被動動作發(fā)生在過去,持續(xù)到現(xiàn)在,并有可能繼續(xù)持續(xù)下去。(for+一段時間;since；since+段時間+ago)Themachine

(repair)fortwohoursbutitstilldoesn’twork.hasbeenrepairedPapermoney

(use)forover50years.hasbeenused現(xiàn)在完成時的被動語態(tài)含義結(jié)構(gòu)表示過去發(fā)生的被動動作現(xiàn)在已經(jīng)完

成或仍將持續(xù),強調(diào)對現(xiàn)在的影響have/hasbeendone形式肯定式否定式疑問式have/hasbeendonehave/hasnotbeendoneHave/Has+主語+beendone?特殊疑問詞+have/has+主語+beendone?用法表示已經(jīng)完成的被動動作表示開始于過去并可能持續(xù)下去的被動動作在時間狀從,條件狀從中,表示還未發(fā)生的被動動作注意事項區(qū)分have/hasbeendone/bebeingdone/bedone不及物動詞或詞組無被動現(xiàn)在完成時態(tài)的被動語態(tài)的判斷句意

強調(diào)某一動作/行為從過去某一時間到現(xiàn)在被完成的情況。對應(yīng)中文的“已經(jīng)被...了”

Mymobileappshavebeenupdated.

我的手機應(yīng)用已經(jīng)被更新了。already已經(jīng)

yet在疑問句和否定句中表示“尚(未),還(沒)...”since+時間點

自從...for+一段時間

該行為或結(jié)果持續(xù)了一段時間during/over/in+一段時間

在...期間

完成時態(tài)的時間標(biāo)志never從來沒有

sofar,bynow,todate,untilnow,到目前為止before以前

recently最近

allthemorning整個上午

thesefewdays這些天

常與現(xiàn)在完成時連用的時間狀語

already

已經(jīng)(肯定句)

yet

已經(jīng)（否定句或者疑問句）recently/lately最近

sincethen

從那時起eversince

自那以來

ever曾經(jīng)sofar

迄今為止

foralongtime很長一段時間bynow/uptonow

到現(xiàn)在為止

inrecentyears

在最近幾年里in/during/overthepast/lastyears在過去的幾年里never,twice,threetimes,manytimes(表示說話前發(fā)生過一次或多次的動作)現(xiàn)在完成時被動語態(tài)的解題步驟1.找時：找與現(xiàn)在完成相對應(yīng)的時間狀語；2.圈主：主語與動詞構(gòu)成被動關(guān)系；3.定謂：確定謂動形式：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.在過去的幾十年里,互聯(lián)網(wǎng)被很大程度改善了。

TheInternet__________________________inthepastdecades.翻譯2.到目前為止,很多新的軟件已經(jīng)被開發(fā)出來了。

Sofar,alotofnewsoftware__________________________.3.自從互聯(lián)網(wǎng)被應(yīng)用以來,人們的生活被極大地改變了。

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