一：英语的谓语动词有两种语态主变被解题步骤:1.Tombrokethewindow.ThewindowwasbrokenbyTom.被动语态的大体构成：1.Theymakeshoesinthatfactory.主语+及物动词+宾语Exercise:Heridesthemotorbiketohisfactoryeveryday.Exercise:WecallthesnowmanMr.Strong.2.Theyboughttencomputerslastterm．Exercise:Heboughtsomefruitsyesterday.3.Someworkersarepaintingtheroomsnow．Exercise:Theyareholdingasportsmeetingnow.Exercise:Theyareplayingvolleyballnow.4.Shewasinterviewingthefamousmanatthistimeyesterday.Exercise:Hewasplayingbasketballat8:00lastnight.5.Theywillfinishtheworkintendays.Theyaregoingtohaveaneveningpartytomorrow.6.Hesaidtheworkerswouldbuildanewschoolintwoweeks.Theywouldhaveapartythenextday.7.AbycantakegoodcareofTina．Exercise:Hemaycarrythebasketeasily.Theycansingsomebeautifulsongs.8.Wehavemadetwentykeys．Exercise:Workershavebuiltthehousesincetwoyearsago.9.Wehadseenthisfilmbeforeyoucamehere.Exercise:Thedoctorknewthathehadknownhisproblem.各种时态的被动情况：一般现在时：一般过去时：现在进行时：过去进行时：现在完成时：过去完成时：一般将来时：过去将来时：情态动词变被动：Exercise:PickoutthepassivevoiceWehaveanoldmusicalinstrument.ItwascalledclavichordItwasmadein1681.Ourclavichordiskeptinthelivingroom.Ithasbelongedtoourfamilyforalongtime.Theinstrumentwasboughtbymygrandfathermanyyearsago.Recentlyitwasdamagedbyavisitor.Shetriedtoplayjazzonit!Shestruckthekeystoohardandtwoofthestringswerebroken.Myfatherwasshocked.Wearen’tallowedtotouchit.Nowitisbeingrepairedbyafriendofmyfather’s.Exercises:一.选择填空:Windowsofglass.bemadeB.ismadeC.aremadeD.beenmade2.Thehousein2004.isbuiltB.isbuildingC.wasbuiltD.used3.Acoatcanforkeepingwarm.beusedB.isusedC.beenusedD.used4.Watches____Shanghai.A.aremadeinB.ismadeC.aremadefromD.made5.Thisdeskismade_____wood.A.ofB.fromC.inD.by6.Thethingsonshowwere____theolddays.A.usedB.usedtoC.usedforD.usedin7.Silk_____inHangzhouandSuzhouA.isproducedB.areproducedC.producedD.isproducesMymotherboughtmeabirthdaycake.变为被动时，间宾前加to的带有双宾语的动词有：14个bring,teach,pass,hand,give,lend,refuse,leave,promise,tell,return,show,send,write.把下列句子变为主动语态：1.Theymadeshoesintha