ActiveandPassiveVoices：主动和被动语态

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1、ActiveandPassiveVoicesPgs.139-141ActiveVoiceInsentenceswithtransitiveverbs,thesubjectperformstheaction,andtheobjectreceivestheaction.Whenthesubjectisthedoeroftheaction,theverbisintheactivevoice.Anactiveverbsendsitsactionforwardtotheobject.Zebrassurroundedthebus.PassiveVoiceSometimestheactiono

2、fasentencegoestheotherway.Thenthesubjectbecomesthereceiveroftheactionratherthanthedoer.Whenthesubjectreceivestheaction,theverbisinthepassivevoice.Apassiveverbsendsitsactionbacktothesubject.Thebuswassurroundedbyzebras.ActiveandPassiveVoicesWhenyouswitchaverbfromtheactivevoicetothepassivevoice,

3、thesentencechangesinseveralways.ActiveandPassiveVoices1).Themainverbisnowapastparticiple,withaformofbe-present,past,orfuture-usedasahelpingverb.Active:Mrs.Juruledthesafari.Passive:ThesafariwasledbyMrs.Juru.ActiveandPassiveVoices2.Theobjectoftheactiveverbbecomesthesubjectinthesentencewiththepa

4、ssiveverb.Active:Hersondrovethebus.Passive:Thebuswasdrivenbyherson.ActiveandPassiveVoices3.Thesubjectofthesentencewiththeactiveverboftenfollowsthewordbyinthesentencewiththepassivevoice.Active:Mr.Wattsspottedagiraffe.Passive:AgiraffewasspottedbyMr.Watts.ActiveandPassiveVoices4.Asentencewithave

5、rbinthepassivevoicedoesnotalwaysshowthedoeroftheaction.Manywildanimalswerephotographedbyourgroup.Manywildanimalswerephotographed.Nointransitiveverb(actionorlinking)iseverinthepassivevoice.