Unit 3 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

TheInternet焦点Focus人教版选择性必修二Unit3DiscoveringUsefulStructureThePresentPerfectPassiveVoiceInterpretationaspects1Teachingmateriaandlearningcondition2Teachingaims3Important&Difficultpoints4Teachingmethods5Teachingprocedures6Blackboarddesigh1TeachingmateriaandlearningconditionTeachingmateriaandlearningconditionStudentshavelimitedknowledgeofthepresentperfectpassivevoicegrammarTopic：TheInternetExpansiononthereadingpassage2TeachingaimsTeachingaimsLanguageskillsLearningabilityCulturalawarenessThinkingquality

Understandandusethepresentperfectpassivevoicebothorallyandinwriting.Students’improvementsofreadinglevel.Students'abilitiesofindependentlearning,cooperativelearningandinquiryandinductionareimproved.Buildlanguagebasisforthisunitwritingtask.LanguageskillsUsethepresentperfectpassivevoiceproperly.

Observe,discover,compareandsummarizeindependently,realizethefusionanddiscriminationofoldandnewknowledge.Usegrammaticalstructurestoconstructsentencesandcompletetheexpressionintheprocessofreading.LearningabilityGettheknowledgeaboutthedevelopmentoftheInternet.Learntopayattentiontothingsaroundthemandexpandtheirknowledge.Culturalawareness

Incombinationwithunittopic—thedevelopmentoftheInternet,theycanusetheInternetreasonablyandeffectivelyinstudy,lifeandsocialcommunication,anddevelopimaginationandcriticalthinking.Thinkingquality3Important&DifficultpointsImportant&DifficultpointsTeachingimportantpointsTeachingdifficultpoints1.Thefunctionofthepresentperfectpassivevoiceinasentence.2.Understandthemeaningofthearticleandsentencesonthebasisofcomprehension.1.Writeashortdialoguetoexpressideasandoutputeffectively.2.Practicalapplication,expandandextendthisgrammarpoint,proficientlyuseitandinternalizeallaspectsofEnglishlearning.4TeachingmethodsP-W-PModeTask-basedteachingmethodTeachingmethods5TeachingproceduresLead-in(4mins)21(教材P28)MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb．3(教材P28)Manypeoplehavebeenhelpedbytheclub．Pleaselookforrecurringsentencesthatinvolvethegrammaticalstructureofthepresentperfectpassivevoiceinthereadingpassageandreadthemaloud.(教材P32)TodayIthoughtI’dblogaboutaquestionthathasbeenaskedmanytimes...summarizethecommongroundThePresentPerfectPassiveVoice！Presentation(14mins)Theteacherextractsthetargetgrammaticalstructureandexplainsitwithrelevantexamples.eg：Overtimethecomputerhaschangedquitealot.havedone(现在完成时)eg：Bythetime1940s,thecomputerhasbeenmadeaslargeasaroom.eg：Sincethe1970s,ithasbeenusedinofficesandhomes.havebeendone(现在完成时的被动语态)Ssareencouragedtosummarizesentencestructure:subject+have/has+been+done第一，强调一个发生在过去的被动性的动作，动作已完成并强调对现在造成的影响或结果。第二，主语和谓语之间为被动关系。Ssreadthedefinationofthepresentperfectpassivevoice：Presentation(14mins)①肯定式:主语+has/have+been+done②否定式:主语+has/havenot+been+doneSsthenwillguessandformthestructuresofpresentperfectpassivevoicewiththehelpofteacher.③一般疑问式:Have/Has+主语+beendone..?④特殊疑问式:疑问词+have/has+主语+beendone...？Activity1Driveatrain(12mins)①Alineofstudentswillberandomlyselectedbytheteachertotaketurnsansweringquestions.②Studentswillthenlookatseveralpicturesandreadthesentences,thenfill

in

the

blanksaccordingtothefourpatternsofthegrammarpoint.1这个数据库已经被更新过了。Thedatabasehasbeenupdated.3博客还没有完成。Thebloghasnotbeenfinished.2你曾经受到过老师的鼓舞么?Haveyoubeeninspiredbyyourteacher?4电池多久没有更换了?Howlonghasthebatterynotbeenchanged?

时间状语recently/lately最近ever曾经sofar迄今为止sincethen从那时起bynow到现在为止eversince自那以来 第三，表示一个被动的动作或状态开始于过去，持续到现在，并且有可能持续下去。第四，常与for或since引导的时间状语连用，或用于“howlong..?"payattentiontothefourthpoint：④特殊疑问式:

疑问词+have/has+主语+beendone...？Canyoutranslatethefollowingsentences?1)Howlonghasthisfilmbeenshown?2)Financialproblemsofthecompanyhavebeendiscussedfornearlytwohours.3)Sincethe1970s,ithasbeenusedinofficesandhomes.Analysis(16mins)Ssthenwillhaveanayalysisandpractice：Shehastoldthechildrenthegoodnews.动作的执行者谓语动词

动作的承受者Thechildrenhavealreadybeentoldthegoodnewsfromher.主动句被动句VSCanyouchangethesentencesintopresentperfectpassivevoice?（P30）1).Ihavedownloadthesoftwaretohelpmyphonebatterylastlonger.2).HaveyouconfirmedtheWi-Fipassword?3).Haveyoupressedthebuttonyettocopythefile?4).Hasanyonemadeacommentabouttheonlinegame?InteractivelearningbetweendeskmatesDeskmateswillhave3minutestopracticeinpairs.Oneofthepairwasaskedtomakeanactivesentence,andtheotherwasaskedtochangethesentencetoapassiveone.Theteacherwillinviteagroupofdeskmatestoshare

whatsentencetheycreated.eg:Someonehaslostanidentitycard.Anidentitycardhasbeenlostbysomeone.Practice(18mins)SentencepatterntransformationThechildrenhavealreadybeentoldthegoodnewsfromher.①将上面的句子变为否定句。②将上面的句子变为一般疑问句。③对上面句子中的Thechildren进行提问。Somestudentsmaynoticethewordslike“already”or“yet”andaskquestions,whichtheteacherusestomakesomeexpansion.现在完成时的被动语态强调过去的动作对现在造成的影响或结果，通常与already,yet,just,never,recently等副词连用。Studentswillbeginataskwhichistocomparegrammaticalstructures.Canyoucomparethedifferencesbetweenthefollowingtwogroups?B.1.Muchwaswritten(write)abouttheart.2.Thismansionwasbuilt(build)inthepast.3.Inthe1970s,itwasused(use)inofficesandhomes.A.

has/have+been+done1).动作经完成，强调对现在造成只表示主语与谓语动词之间的被动的影响或结果关系2).主语与谓语动词之间的被动关系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A.1.Muchhasbeenwritten(write)abouttheartsoIcouldhavearest.2.Thismansionhasbeenbuilt(build)inthepastfewyears.3.Sincethe1970s,ithavebeenused(use)inofficesandhomes.Difference：Activity2(15mins)GroupGame（quiz）Sswillhaveagamecalledboardgame.Theteacherwillwalkaroundtoofferhelpandrecordstudents'performancethroughthegame.Afterthegame,theteacherwillask