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1、一、ManypeoplespeakEnglish.(主动）Englishisspokenbymanypeople.(被）二.被动语态的构成:助动词be+及物动词的过去分词注:助动词be有人称、数和时态的变化。其变化规则与be作为连系动词时完全一样。1.一般现在时中,be是am,is,are的形式。例句:IamtaughttostudyEnglish.WearetaughttostudyEnglish.2.一般过去时中，be是was,were的形式。例句:I/shewastaughttostudyEnglish.WeweretaughttostudyEnglish3.一般将来
2、时中，be是willbe的形式。例句:I/She/WewillbetaughttostudyEnglish4.现在完成时中被动语态的构成:have/hasbeen+done•例句:Theworkhasbeenfinished.•Whyhaven’ttheybeeninvented.•5.现在进行时态中被动语态的构成:bebeing+done例句:Newbridgeisbeingbuiltnearourschool.6.含有情态动词的被动语态的构成:can/may/must/should+be+done+（bysb）例句：Thedictionarymustbetakengoo
3、dcareof。Cantheworkbedoneintwodays。三.被动语态的用法：1.不知道动作的发出者,或不必要说明动作的发出者。例句：SilkisproducedinSuzhouandHangzhou。2.对动作的承受者进行强调时,要用被动语态。例句：BicyclesarewidelyusedinChina.四.主动语态转化为被动语态的三部曲:1.主动结构宾语变为被动结构主语。2.谓语动词变为被动语态。3.主动结构主语变为介词by的宾语,组成介词短语,放在被动结构中谓语动词之后。在动词执行者无须说明或强调时，by短语可以省略。Lookandfindoutthesi
4、milarities(相同点):FootballisplayedallovertheworldAcameraisusedfortakingphotos.Abankwasrobbedyesterday.Aman-madesatellitewassentupintospacelastyear.Thetreemustbeplantedontheground.Thegroundwillbecoveredwithtreesinafewyears’time.Thegroundwillbecoveredwithtreesinafewyears’time.Theywillbesenttot
5、hehospitalrightnow.Atalkwillbegivensoon.Theearthisbeingdugnow.Thefoodhasbeeneatenupalready.4.注意保持时态和人称的一致。双宾的谓语动词有两种改法。当把直接宾语改成主语时，谓语动词后必须加适当的介词:to、for.HismothergavehimapresentforhisbirthdayHewasgivenapresentbyhismotherforhisbirthday.Apresentwasgiventohimbyhismotherforhisbirthday.在使役动词have
6、,make,let以及感官动词see,watch,notice,hear,feel,observe等变为被动结构时，要加to.Someonesawastrangerwalkintothebuilding.=Astrangerwasseentowalkintothebuilding.五.不用被动语态的情况：1）不及物动词不用被动语态；注意：happen,occur,takeplaceThestorywashappenedin1934.(×)2）表状态的动词不用被动语态；have,lack,fit…Ihaveanewbike.3）连系动词不用被动语态；Thestoryissou
7、ndedtrue.(×）4）有些短语不用被动语态doone’sbest,makeaface,makeroom(腾位子）makeupone’smindbelongto5.特殊情况（考试重点）1）感官动词(taste;feel;smell;sound;look)用主动形式表示被动。Howsweetthemusicsounds!Goodmedicinetastesbittertothemouth.2）write、read、sell、keep、prove、weigh、drink、wash、open/shut常用主动形式表被
