TheFourthPeriodGrammarandWritingActiveandPassiveVoiceVoice语态,英语中语态分为主动语态及被动语态ActiveVoice主动语态Thestudentwroteasong.PassiveVoice被动语态bedoneAsongwaswrittenbythestudent.Changingasentencefromtheactivevoicetothepassivevoiceinvolves3steps:1.把主动语态中句子的直接宾语做为被动语态的主语.2.把原主动语态的主语改成宾格移到句末,用by连接(也可省略).3.改变动词.Changingtheverbinvolvesthreesteps:1.确定原句时态,改成相应的be动词时态;2.把原动词改为过去分词,放在相应的be动词时态后,3.检查新的动词和新的主语主谓是否一致We/design/thecar(s)FormingTensesofPassiveVerbsTenseSubjectAuxiliaryPastParticipleSingularPluralPresentThecar/carsisaredesigned.PresentperfectThecar/carshasbeenhavebeendesigned.PastThecar/carswasweredesigned.PastperfectThecar/carshadbeenhadbeendesigned.FutureThecar/carswillbewillbedesigned.FutureperfectThecar/carswillhavebeenwillhavebeendesigned.PresentprogressiveThecar/carsisbeingarebeingdesigned.PastprogressiveThecar/carswasbeingwerebeingdesigned.a.Hewillplantmoretrees.Moretreeswillbeplantedbyhim.b.Shewilltakecareofthechildren.Thechildrenwillbetakencareofbyher.Practice:1.Beijingwillholdthe29thOlympicGamesintheyear2008.→The29thOlympicGameswillbeheldinBeijingintheyear2008.→Whenwillthe29thOlympicGamesbeheldinBeijing?TheFuturePassiveVoiceTheywilldiscussthisproblemattheirnextconference.Thisproblemwillbediscussedattheirnextconference.一般将来时的被动语态:shall/will+be+v.p.pwillbebuilte.g.Anewcarfactory____________(build)inourcity.RulesfortheOlympicGamesNobody_________________(allow)toenterthestadiumwithoutaticket.Children___________________(notallow)tomakeanoiseandupsetthecompetitors.Iftheydo,theywill__________________(takeaway)fromthestadium.Noanimals__________________(allow)inthestadium.They______________(leave)inthegarden.Cheatingbyathleteswillnotbe_____________(excuse).They________________(tell)toleave.Nosmokingwillbe_____________(allow).Ifyouarediscovered,you______________(ask)topaytendollarswillbeallowedwillnotbeallowedbetakenawaywillbeallowedwillbeleftwillbetoldallowedwillbeaskedexcusedMakesentencesusingthepassivevoice.Thebasketballgamewillbeplayedtomorrow.Treesarebeingplanted.TheolympicgameswillbeheldinBeijingin2008.poster:The29thOlympicGamesTheOlympicGameswillbeheldinBeijingin2008.Alotofthingsshouldbedoneinordertoprepareforit.•Preparations:1.Moreandmoretreesandgrasswillbeplanted.2.Morestreetsshouldbewidened.3.Morehotelswillbeofferedtotheforeigners.4.ThepublicwillbeencouragedtospeakEnglish.5.MorevolunteerswillbeinspiredtomakeacontributiontotheOlympicGames.