Unit+3+The+Internet+Discovering+useful+structures+教学设计 高中英语人教版（2019）必修第二册

周次第五周授课班级高一5班授课教师刘倩上课时间周一第9节课题B2Unit3Grammar-Thepassivevoiceofthepresentperfecttense（现在完成时被动态）学习目标1.Studentscanlearnthebasicpatternandtheusageoftheperfecttense.2.Studentscanusethestructurepreciselyandfreely.感知与学习一．Leadin----WatchashortvideoYouhaveslainanenemyvsAnenemyhasbeenslain（Purpose:通过学生熟知的游戏台词让其感知现在完成时及其被动态的运用）二．PresentationReviewtheknowledgeaboutthepresentperfecttenseandpassivevoice.（Purpose：通过复习现在完成时和被动语态，为现在完成时被动语态做好知识铺垫）Step1.定义Step2结构Step3用法(1)表示动作已完成,强调过去的动作对现在造成的影响或结果,主语和谓语之间为被动关系,通常与already,yet,just,never,recently等副词连用,放在has/have的后面,有时也可放在句末。(2)表示一个被动的动作或状态开始于过去,持续到现在,并可能持续下去,常与for或since引导的时间状语连用,或用于“Howlong...？”句型中。(3)用在时间或条件状语从句中,表示将来某时已完成的动作,即用现在完成时的被动语态替代将来完成时的被动语态。Step4注意1.不及物动词和不及物动词短语，没有被动语态。如rise,happen,takeplace,breakout,comeabout,survive,remain,last,die,disappear,end,fail,belongto,consistof...2.虽然一般说来只有及物动词才有被动语态，但许多“不及物动词+副词或介词”构成的短语动词，相当于及物动词，也可以有被动语态，但变被动语态后，不可把介词或副词漏掉。如laughat,operateon,listento,lookafter,takecareof,thinkof,talkabout,handin,catchsightof,makeuseof,payattentionto,turnon…borrow,begin,start,buy,marry,open,join，finish，return等非延续性动词的现在完成时的被动语态不能与表示一段时间的状语连用，如forfourdays等。若要表达相应的意思，需要改变动词或时态。summary练习检测句型转换1.MyfriendhasboughtanewsmartphonemadeinChina.→___________________________________________bymyfriend.2.Sinceyouhavefinishedyourwork,youcanhavearestnow.→Sinceyourwork___________________,youcanhavearestnow.3.Anunknownvirushasjustattackedmycomputer.→_________________________________byanunknownvirus.4.Totheirjoy,theyhavesolvedthedifficultproblemallbythemselves.→Totheirjoy,thedifficultproblem__________________allbythem.5.Theyhavetranslatedthebookintomorethantwentylanguages.→_________________________________intomorethantwentylanguages.6.Wehavenotfoundawaytodealwiththesituationyet.→_________________________________todealwiththesituationyet.7.ThebosshasappointedTommanageroftheengineeringdepartmenttotaketheplaceofGeorge.→__________________________________oftheengineeringdepartmentbythebosstotaketheplaceofGeorge.8.Theteamhasdevelopedakind