Unit3 现在完成进行时课件 【基础梳理+考点探究】高中英语人教版（2019）必修第二册

TheInternetDiscoveringUsefulStructureThePresentPerfectPassiveVoice人教版选择性必修二Unit3Let’shaveananalysis!Haveatrytoanalysethesetwosentences：Shehastoldthechildrenthegoodnews.Thechildrenhavealreadybeentoldthegoodnewsfromher.主动句被动句VS动作的执行者谓语动词

动作的承受者activesentencepassivesentenceRequirement：Youwillhave3minutestopracticeinpairs.Onememberofthepairwasaskedtomakeanactivesentence,andtheotherwasaskedtochangethesentencetoapassiveone.LearnandpracticewithyourdeskmateCanyouchangethesentencesintopresentperfectpassivevoice?（P30）1).Ihavedownloadthesoftwaretohelpmyphonebatterylastlonger.2).HaveyouconfirmedtheWi-Fipassword?Thesoftwarehasbeendownloadedbymetohelpmyphonebatterylastlonger.HastheWiFipasswordbeenconfirmed?Canyouchangethesentencesintopresentperfectpassivevoice?（P30）4).Hasanyonemadeacommentabouttheonlinegame?3).Haveyoupressedthebuttonyettocopythefile?Hasthebuttonbeenpressedyetbyyoutocopythefile?Hasacommentabouttheonlinegamebeenmadebyanyone?Comparethesetwogrammaticalstructureandfinddifferences!B.1.

Muchwaswritten(write)abouttheart.2.

Thismansionwasbuilt(build)inthepast.3.

Inthe1970s,itwasused(use)inofficesandhomes.A.

has/have+been+done动作已经完成，强调对现在造成的被动的影响或结果关系

B.

was/were+done只表示过去时态中的主语与谓语动词之间的被动关系，所表示的动作或状态与现在的情况没有联系A.1.

Muchhasbeenwritten(write)abouttheartsoIcouldhavearest.2.

Thismansionhasbeenbuilt(build)inthepastfewyears.3.

Sincethe1970s,ithavebeenused(use)inofficesandhomes.Difference？Canyoucomparethedifferencesbetweenthefollowingtwogroups?BoardgameTimeGroupGameIwillwalkaroundtoofferhelpsoletmeknowifyouhaveanyquestions.Afterthegame,allofyou

willreadtheanswersonthisboardaloudtogetherandIwillexplaindifficultquestions.（quiz）ChecktheanswerstogetherWhatwehavelearnt：

Let’ssummarizethegrammarknowledgeinthislesson!1.

现在完成时的被动语态定义2.

基本构成：现在完成时的被动语态的结构为3.

现在完成时的被动语态的各种句式4.

用于现在完成时的时间状语有5.

ever,never,already,yet等副词用于现在完成时被动语态时，放在has或have之后。6.

现在完成时的主动语态变被动语态has/hasbeendone肯定式

否定式

一般疑问式

特殊疑问式recently/latelyever/sofar/sincethen...Afterclas...Pleaseworkwithyourpartnertocreateashortdialog（50words）inEnglishandpractiseit,andthetopiccomesfromunit2,whichis"Whatchangeshav