一般过去时的被动语态I.定义:表示过去某一时间的被动动作或过去经常性、习惯性的被动动作,无需说明动作执行者时可省去“by+动作执行者”。II.结构:一般过去时的被动语态:1.肯定结构:主语+was/were+及物动词的过去分词+by+动作执行者Eg:Theteachingbuildingwasbuiltsixyearsago.这座教学楼建于六年前。练习:①()Manytreesandflowers___________inourschoollastyear.A.plantB.plantedC.haveplantedD.wereplanted注意:was,were的使用由主语的单复数形式而定,主语为第三人称单数名词、代词或I时用was,主语为复数名词、代词they或you时用were。2.否定形式:主语+was/were+not+动词的过去分词Eg:Thewindowwasnotbrokenbyhim.窗玻璃不是他打碎的。3.疑问形式:was/were+主语+动词的过去分词4.Eg:Wasyourhomeworkfinishedintimeyesterdayevening?昨天晚上你及时完成家庭作业了吗?Wherewerethosebusesmade?那些公共汽车是哪里制造的?注意:一般疑问句通常把was/were置于主语前。特殊疑问句形式应将一般疑问句置于特殊疑问词后面,反意疑问句形式应保留was/were。III.一般过去时的被动语态疑问句的回答方法1.一般疑问句形式肯定回答用“Yes,...was/were.”,否定回答用“No,...wasn’t/weren’t.”;2.特殊疑问句应抓住特殊疑问词进行回答,可用简略方法,也可用完整方法;3.反意疑问句也应用“Yes,...was/were.”或“No,...wasn’t/weren’t.”进行回答。Eg:(1)—Wasyourofficecleanedyesterdayafternoon?你的办公室昨天下午打扫了吗?—Yes,itwas./No,itwasn’t.是的,打扫了。/不,没有打扫。(2)—WherewasthepartyheldlastSunday?上周日聚会在哪儿举行的?—Athome./Itwasheldathome.在家里。/在家里举行的。(3)—Yourdebtwaspaidoffatlast,wasn’tit?你所欠的债最终被还清了,是吗?—Yes,itwas./No,itwasn’t.是的,被还清了。/不,没有被还清。练习:①LastMarch,manytrees___alongthestreetstomakeourcitymorebeautiful.A.wereplantedB.wereplantingC.hadplantedD.planted②ShenzhouX,China’sfifthmannedspacecraft,____intospaceonJune11.2013.A.hassentB.wassentC.willsendD.issent③—Wow!YouhaveatickettotheExpo!—ltbymyuncle.HeisworkinginShanghai.A.hasboughtB.hadboughtC.isboughtD.wasbought④Wearegladtohearthattheterrorists__bythebravepolicemenseveraldaysago.A.arecaughtB.werecaughtC.havebeencaughtD.aregoingtobecaught⑤.Threebridges________overtheriverfiveyearsago.A.builtB.buildC.werebuiltD.arebuilt