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3.用在时间或条件等状语从句中,表示将来某时已完成的动作,即用现在完成时的被动语态代替将来完成时的被动语态Youcangohomeassoonasyourworkhasbeenfinished.你的工作一完成就可以回家常与现在完成时连用的时间状语already已经肯定句recently/lately最近eversince自那以来foralongtime很长一段时间inrecentyears在最近几年里in/during/overthepast/lastyears在过去的几年里需要注意的点.与一般过去时的区别一般过去时所表示的动作或状态与现在的情况没有联系,而现在完成时则强调与现在的情况有联系Themuseumwasopenedtothepubliclastyear.Themuseumhasbeenopenedtothepublic..非延续性动词不与阶段性时间状语语连用如borrowfinishbeginbuymarryopen等构成的现在完成时不能与表示一段时间的状语连用若要表达相应的意思,则要换成延续性动词或改变句式Theexperimentwasfinishedtwoweeksago.Itistwoweekssincetheexperimentwasfinished..动词短语中的介词或副词不可省略Itissaidthatthecasehasbeenlookedinto..带有双宾语的动词变为被动语态时,一般将间接宾语变为被动语态的主语,若将直接宾语变为被动语态的主语时,间接宾语前面要用相应的介词ThecompanyhasgivenhimachancetoworkabroadrecentlyfHehasbeengivenachancetoworkabroadrecentlybythecompany.fAchancetoworkabroadhasbeengiventohimrecentlybythecompany.Step
3.Practice.语法填空.Thebridgenearthevillagebuildlastyear..Nobooksbuysincelastweek..Noemailssenttomesincebynow.备课组长审核签字:年月日周次授课班级授课教师上课时间课题B2Unit3Grammar-Thepassivevoiceofthepresentperfecttense学习目标
1.Studentscanlearnthebasicpatternoftheperfecttense.
2.Studentscanusethestructurepreciselyandfreely.预习自学预备铃响起,课代表带领学生听写本单元前5个黑体单词引领与训练Stepl.Previewofthepassivevoiceofthepresenttense.
1.TheInternethasmadeourlivesmoreconvenient..ButtheInternethascausedmanyproblemstoo..Muchhasbeendonetoprotecttheendangeredanimals..PeoplesliveshavebeenchangedbytheInternet.Conclusion:thestructureofthepassivevoiceofthepresentperfecttense.f肯定式主语+have/has+been+V-过去分词(done)否定式主语+have/has+not+been+V-过去分词…般疑问句Have/Has+主语+been+V-过去分词…Step
2.Review-Keypointsofthepresentperfecttense.肯定式主语+have/has+V-过去分词(done)否定式主语+have/has+not+V-过去分词…一般疑问句Have/Has+主语+V-过去分词…特殊疑问句疑问词+have/has+主语+V-过去分词…含义.表示动作在说话之前已经完成,强调过去的动作对现在造成的影响或产生的结果通吊与alreadyyetneverrecently等副词及时间状语sofarbynowuptillnowbefore…等连用Theprojecthasalreadybeenfinished.工程已完成了(结果是现在不用做这项工作了)Thedoctorhasntbeensentforyet.还没有派人去请医生(现在应派人去请医生).表k个动作或状态开始于过去,持续到现在,并有可能持续下去常与for或since引导的时间状语连用,或用于Howlong…?句型中Themachinehasbeentestedfortwohours.这台机器已经测试了两个小时了(可能还会继续被修)当堂检测语法填空l.Thedictionaryisoutofdatemanywordsaddtothelanguagesinceitwaspublished.nrecentyearsstressregardasacauseofawholerange范畴ofmedicalproblemsfromhighbloodpressuretomentalillness..WhenIreachedthestationtheticketssellout..Thisbooktranslateintomanylanguages..Ourclassroomcleanyouneedntcleanitnow...布置作业板书设计Unit3Grammar:ThepassivevoiceofthepresentperfecttenseReviewofpresentperfecttenseStructureofthepassivevoiceofthepresentperfecttense.PracticeSummaryHomework课后反思。