被动语态的句型肯定句：主语+be+过去分词+(by~).否定句：主语+benot+过去分词+(by~).一般疑问句：Be+主语+过去分词+(by~)?特殊疑问句：疑问词+be+主语+过去分词+(by~)?被动语态的时态是由 be 的时态决定的，be 是什么时态，全句就是什么时态，be 动词后面的过去分词不变。一、被动语态的用法：1. 一般现在时的被动语态构成：is/am/are+及物动词的过去分词Ourclassroomiscleanedeveryday.Iamaskedtostudyhard.Knivesareusedforcuttingthings.2. 一般过去时的被动语态构成：was/were+及物动词的过去分词Anewshopwasbuiltlastyear.Dinosaureggswerelaidlonglongago.3. 一般将来时的被动语态构成：will+be+及物动词的过去分词Anewhospitalwillbebuiltinourcity.Manymoretreeswillbeplantednextyear.4. 现在进行时的被动语态构成：am/is/are+being+及物动词的过去分词UncleWangismendingmybikenow.fMybikeisbeingrepairedbyTomnow.Theyareplantingtreesoverthere.—Treesarebeingplantedovertherebythem.5. 现在完成时的被动语态构成：has/have+been+及物动词的过去分词Thisbookhasbeentranslatedintomanylanguages.Manyman-madesatelliteshavebeensentupintospacebymanycountries.6. 过去进行时的被动语态构成：was/were+being+及物动词的过去分词Theboywasbeingoperatedonwhenhisparentshurriedtothehospital.Thenewroadwasbeingmade.7. 过去完成时的被动语态构成：had+been+及物动词的过去分词Theclassroomhadntbeencleanedbeforetheteachercame.TheticketshadbeensoldoutberoreIcametothecinema.8. 将来完成时的被动语态构成：shall/will+havedoneTheywillhavebeenmarriedfor20yearsbythen.TheprojectwillhavebeencompletedbeforeMay.9. 含有情态动词的被动语态构成：情态动词+be+及物动词的过去分词Youngtreesmustbewateredoften.Yourmistakesshouldbecorrectedrightnow.Thedoormaybelockedinside.Yourhomeworkcanbehandedintomorrow.将下列句子变为被动语态，每空一词1. Wecanfinishtheworkintwodays.Theworkintwodays.2. TheyproducesilkinSuzhou.SilkinSuzhou.3. ThechildrenwillsinganEnglishsong.AnEnglishsongbythechildren.4. Youneedn'tdoitnow.Itbyyounow.5. LucysentmeaNewYearCardlastweek.ANewYearCardmebyherlastweek.6.Peoleusemetalformakingmachines.Metalformakingmachines.7. Hemademedothatforhim.Ithatforh...
