Unit 3 The Internet Discovering Useful Structures 人教版必修二

Unit3TheInternetDiscoveringusefulstructuresPresentPerfectPassiveVoice現(xiàn)在完成時被動語態(tài)Knowtheform,themeaningandthefunctionofthepresentperfectpassivevoice.TalkaboutthingsthathavebeendonebytheInternet.LearningObjectivesⅠ.LeadinYouhaveslainanenemy.你殺死了一名敵人。Anenemyhasbeenslain.我方擊殺一名敵方。Anallyhasbeenslain.我方一名隊友被擊殺。Yourturrethasbeendestroyed.我方防御塔被摧毀。Ⅱ.ReviewThePresentPerfectTense現(xiàn)在完成時Definition:①表示到現(xiàn)在為止已經(jīng)完成或剛剛完成的動作。②表示過去發(fā)生的動作,強調(diào)結(jié)果或?qū)ΜF(xiàn)在的影響。③表示從過去開始并持續(xù)到現(xiàn)在的動作或狀態(tài)。Structure:主語+have/has+V-過去分詞(done)present(now)futurepastHowdoweformthepresentperfectpassivevoice?Structure現(xiàn)在完成時被動語態(tài)現(xiàn)在完成時的被動語態(tài)have/has

donebe

donehave/has

beendone現(xiàn)在完成時表示說話時已經(jīng)完成的被動性的動作或結(jié)果，主語是動作的承受者。activepassiveⅢ.PresentationPresentPerfectPassiveVoice現(xiàn)在完成時的被動語態(tài)Thestudentshavecleanedtheclassroom.Theclassroomhasbeencleaned.Youneedn’tcleanitnow.Structure肯定式：主語+have/hasbeendone否定式：主語+have/hasnot

beendone一般疑問句：have/has+主語+beendone…？特殊疑問句：疑問詞+have/has+主語+beendone…？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/uptonow/tillnow/untilnow迄今為止foralongtime很長一段時間bynow到現(xiàn)在為止inrecentyears在最近幾年里in/during/overthepast/lastyears在過去的幾年里Ⅱ.Review常與現(xiàn)在完成時連用的時間狀語找與現(xiàn)在完成相對應(yīng)的時間狀語。找時主語與動詞構(gòu)成被動關(guān)系。圈主確定謂動形式：have/has(not)beendone定謂ABCV.Summary現(xiàn)在完成時被動語態(tài)的解題步驟Tom____________(work)inthelibraryeverynightoverthelastthreemonths.1.hasworkedActivity2-高考鏈接Morepublictransport___________(build)inChinabynow,makingiteasierforpeopletotravel.2.hasbeenbuiltActivity2-高考鏈接Noagreement（協(xié)議）

__________________(reach)yesterdayaftermanyroundsoftalks.3.wasreachedActivity2-高考鏈接Despitethepreviousroundsoftalks,noagreement_________________(reach)sofarbythetwosides.4.hasbeenreachedActivity2-高考鏈接BYYUSHENHowdoweformthepresentperfectpassivevoice?Fillintheblank.have/hasbeen+v-ed主動語態(tài)變被動語態(tài)的原則“三變”原句主語by的賓語賓語主語

謂語由主動被動“三不變”原句意思不變原句時態(tài)不變原句主謂賓以外成分不變TalkaboutsomethingthathasbeendoneIV.PracticeActivity1-ChangethesentencesintothepresentperfectpassivevoiceWehavebuiltmanyhousesinthepasttenyears.Manyhouseshavebeenbuilt

byusinthepasttenyears.主變賓，賓成主，現(xiàn)賓前把by來補。注意不規(guī)則動詞的過去分詞變化。Example1：Change：Attention：BYYUSHENActivity2Changethesentencesintothepresentperfectpassivevoice.

EXAMPLEThey’vebuiltakindofnewPCwithmorefunctions.→AkindofnewPChasbeenbuiltwithmorefunctions.1

Ihavedownloadedthesoftwaretohelpmyphonebatterylastlonger.→2

Someonehaslostanidentitycard.→3

HaveyouconfirmedtheWi-Fipassword?→4

Haveyoupressedthebuttonyettocopythefile?→5

Hasanyonemadeacommentabouttheonlinedatabase?→Thesoftwarehasbeendownloadedbymetohelpmyphonebatterylastlonger.Anidentitycardhasbeenlostbysomeone.HastheWi-Fipasswordbeenconfirmedbyyou?Hasthebuttonbeenpressedyetbyyoutocopythefile?Hasa/anycommentbeenmadebyanyoneabouttheonlinedatabase?IV.PracticeActivity1-ChangethesentencesintothepresentperfectpassivevoiceHehasgivenhersomemoney.①Shehasbeengivensomemoneybyhim.②Somemoneyhasbeengiventoherbyhim.動詞包含雙賓語，則把間賓變成主，或?qū)⒅辟e變成主，但間賓前必加to/for。Example2：Change：Attention：IV.PracticeActivity1-ChangethesentencesintothepresentperfectpassivevoiceHehasthoughtofawayofdoingit.Awayofdoingithasbeenthoughtofbyhim.動詞短語要完整，介詞副詞不能省。Example4：