Grammar被动语态语态是动词的一种形式，用来说明主语和谓语动词之间的关系。英语动词有两种语态主动语态被动语态被动语态是动词的一种特殊形式，表示句子中的主语是动作的承受者，也就是动作的对象。英语动词的被动语态是由助动词be+动词的过去分词构成。be有人称、时态和数的变化，主动语态和被动语态的句子的结构如下：主动语态：动作的发出者+主动语态动词+动作的接受者主语被动语态：动作的接受者+被动语态动词（be+动词的过去分词）+动作的接受者谓语宾语主语谓语宾语以ask为例，将其各主要人称、时态的被动语态展示如下：一般现在时：Iamasked.Youareasked.He/Sheisasked.We/You/Theyareasked.一般过去时：Iwasasked.Youwereasked.He/Shewasasked.We/You/Theywereasked.以ask为例，将其各主要人称、时态的被动语态展示如下：一般将来时：Iwillbeasked.Youwillbeasked.He/Shewillbeasked.We/You/Theywillbeasked.现在进行时：Iambeingasked.Youarebeingasked.He/Sheisbeingasked.We/You/Theyarebeingasked.Doyouunderstandthefollowingsentences?Peopleplaybasketballallovertheworld.Basketballisplayedbypeopleallovertheworld.Hehitme.Iwashitbyhim.Theworkerswillmakeanewmachine.Anewmachinewillbemadebytheworkers.SummaryI主动语态：S（主语）+P（谓语）+O（宾语）被动语态：（主语）+P(被动结构)+byO（宾语）S一般现在时：is/am/are+v.过去分词一般过去时：was/were+v.过去分词willbe+v.过去分词一般将来时：Practise(1):Hewrotealetteryesterday.Aletterwaswrittenbyhimyesterday.ManypeoplespeakEnglish.Englishisspokenbymanypeople.We’lluseacomputertodothejob.Acomputerwillbeusedtodothejob.Peoplewastealotofwatereveryyear.Alotofwateriswastedbypeopleeveryyear.Practise(2):Makesentencesacomputer/use/everydayAcomputerisusedeveryday.一般现在时：S(主语）+am/is/are+过去分词thebridge/build/lastyearThebridgewasbuiltlastyear.一般过去时：S+was/were+过去分词thesebigbuildings/build/nextyearThesebigbuildingswillbebuiltnextyear.一般将来时：S+will+be+过去分词thetree/cutThetreeisbeingcutbytheman.现在进行时：S+am/is/are+being+过去分词shenzhenairport/use/foralongtimeShenzhenairporthasbeenusedforalongtime.现在完成时：S+have/has+been+过去分词thiskindofcar/canmake/inthisfactoryThiskindofcarcanbemadeinthisfactory.情态动词：S+can/may/must/should+be+过去分词SummaryII被动语态的基本构成：一般现在时(do,does)一般过去时(did)be+v.过去分词is/am/aredonewas/weredonewillbedonehave/hasbeendone一般将来时(willdo)现在完成时(have/hasdone)现在进行时(is/am/aredoing)is/am/arebeingdone带情态动词(can/must/maydo)can/must/maybedoneEx1.把下列的句子改为被动语态1.ManypeoplevisitShenzhenever