时被动语态:willbe+P.P.1.Wemustcleantheclassroomeveryday.2.Parentsshouldallowtheteenagerstochoosetheirownclothes.3.UncleWangcan’tmendhisbike.Theclassroommustbecleanedeveryday.Theteenagersshouldbeallowedtochoosetheirownclothes.Hisbikecan’tbemendedbyunclewang.情态动词的被动语态:can/may/must/shouldbe+P.P.am/is/are+P.P.was/were+P.P.willbe+P.P.can/may/must/shouldbe+P.P.中考常考的被动语态be+P.P.Exercises1.MoreandmoreforeignersspeakChineseintheworldtoday.(08重庆)Chinese_______________bymoreandmoreforeignersintheworldnow.idents,(08临沂)idents___________________manydangerousdriving.3Thetwinsateupallthebananasontheplate.(08西宁)Allthebananas___________upbythetwins.4TeacherscanusecartoonstogiveexamplesinlessonsaboutAIDS.(08济南)Cartoons__________________togiveexamplesinlessonsaboutAIDS.isspokenarecausedbywereeatencanbeused几种特殊的被动语态