请写出被动语态的基本结构：________________________________A.一般现在时的被动语态结构：is/am/are+及物动词的过去分词+其它+bysb.1．Football__________________（play）allovertheworld。2．Manytrees_____________________（plant）inNorthChina.3．Rice__________________（grow）inSouthChina.4．Acamera_____________________（use）fortakingphotos5．I__________often____________（ask）todothiswork.B.一般过去时的被动语态结构：was/were+及物动词的过去分词＋其它+bysb.1.Thehouse________________（build）in1978.2.Allthestudents_____________(ask)tobringakitewiththemlastSunday3.Thecar__________________________(clean)byDadyesterday.4.I________________________（tell）towaitforhimrighthere.5.When________thepresent__________（give）tohimbyhismother？C.含有情态动词的被动语态结构：情态动词can/may/must/should+be+及物动词的过去分词+其它+bysb.1.Chocolatemay________________(send)tohimasapresent.2.Computersshould____________________（look）afterwell.3.Canthiskindofmachine_________________（mend）byUncleWang?4.Nostarscan_____________________（see）intheday-timebyus.5.Musttheoldpeople____________(speak)topolitely?D.你能试着做一做含有其它时态的被动语态吗？1.Theletter_____________________(write)byLinTaonow.2.Thebridge__________________________(finish)nextmonth.3.TheCD-ROMs__________________________(sell)already.4.Theblackboard_____________________(clean)whenIcamein.一选择()1.Thestrangethingwasused______wine（酒）byancient（古代的）people.A.fordrinkB.todrinkC.drinkingD.drinked()2.Today,toomanytreesarestill_____intheworld.A.cuttingdownB.cutdownC.beingcutdownD.cutteddown()3.English_____inmanycountries,butChinese_____theirownlanguages.A.isspoken,speaksB.speaks,isspokenC.isspoken,speakenD.isspoken,isspoken()4.Thiskindofapple______inJinzhou.A.isgrownB.growC.grewD.aregrown()5.Theseyoungtreesmust______afterwell.A.lookB.looksafterC.belookedD.looked()6.Mycoatismade_____cool（羊毛）andsilk.A.toB.forC.fromD.of()7.Ourteacherwasseen______totheofficeamomentago.A.goB.togoC.goingD.goes()8.TheOxfordCastle_____byHenry.Itisinverygoodconditionnow.A.builtB.wasbuiltC.hasbeenbuiltD.isbuilt()9.Icecanbe_____waterA.turnintoB.turntoC.turnedintoD.turnedto()10.Keysareusedfor_____doors.A.lockB.lockedC.lockingD.locks()11.Thegreenhouse(温室)shouldbe_____glass.A.madeofB.madefromC.madeintoD.madein()12.Sorry,allthevegetables______.Pleasecometomorrow.A.sellswellB.havesoldoutC.havebeensoldoutD.areselling()15.Thisbook_____byafamouswritermanyyearsago.A.writesB.iswrittenC.waswritenD.waswritten二、改写句子1.Theybuiltanewschoolinthevillagelastyear.（改为被动语态）Anewschool______________________inthevillagelastyear.2.Intheolddayspeopleusedteapots（茶壶）tomaketea.（改为被动语态）Intheolddaysteapots______________________tomaketea.3.Thismakesmefeelthirsty.（改为被动语态）I______________________________feelthirstybythis.4.Didyoubuythisbikefromtheshop?（改为被动语态）________________________________________fromtheshop（byyou）?5.Onlythisyear,millionsoftreeshasbeenplantedbythesoldiers.（改为主动语态）Onlythisyear,Thesoldiers______________________millionsoftrees..填空（完成被动语态填空）1.Theyoftencleantheirclassroomafterschool.（改为被动语态）Theirclassroom_____often______bythemafterschool.2.LiLeigaveTomanewpenlastweek.（同上）Anewpen_________________Tomlastweek.3.AlotofpeopleinChinacanspeakEnglishnow.（同上）English________________byalotofpeopleinChinanow.4.IhavelearnedEnglishforabouttwoyears.（同上）English__________________forabouttwoyears.5.Theywillpublishthesestory-booksnextmonth.（同上）Thesestory-books_______________nextmonth.
