人教版（2019）必修 第二册Unit3 The Internet Discovering Useful Structures 现在完成时被动语态课件(共25张PPT，内镶嵌视频)81.pptx

UNIT3THEINTERNETPeriodIIIDiscoveringUsefulStructures

Lead-in1GrammarLearning2Exercise3Summary4ContentsContents

1Lead-in

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Youhaveslainanenemy.Yourteamhasdestroyedtheturret.Anallyhasbeenslain.Anenemyhasbeenslain.Youhavebeenslain.Yourturrethasbeendestroyed.Findthestructure!

TomastertheusageofthestructureTorealizethenegativeeffectsofgamingaddictionandestablishahealthygamingattitude.Aimpresentperfectpassivevoice现在完成时的被动语态

TheInternethasgreatlyimprovedJan’slife.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.()Readthepairsofsentences.Underlineandcomparethedifferentverbforms.Jan’slifehasbeengreatlyimprovedbytheInternet.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.()()()

Answerthefollowingquestionandfillintheblank.?Howdoweformthepresentperfectpassivevoice?VerbformActivehave/has+v-edPassive_________________have/hasbeen+v-ed

Completethesentenceswiththepresentperfectorthepresentperfectpassivevoice.1.Nearly500,000high-qualitydigitalphotographs_____________________(produce)sincetheinternationalprojectstartedin1994.2.TheGettyMuseuminLosAngeleseven____________(reproduce)acopyofthecavesandpaintingsforpeopletoadmireinAmerica.3.Manypeople___________________(help)bytheclub.4.Thestatuesfillonlyonepartoftheemperor’shugetomb,whichstill________completely_______________(notunearth).5.Workersbuildsheltersforsurvivorswhosehomes__________________(destroy).havebeenproducedhasreproducedhavebeenhelpedhasnotbeenunearthedhavebeendestroyed

Changethesentencesintothepresentperfectpassivevoice.EXAMPLEThey’vebuiltakindofnewPCwithmorefunctions.→AkindofnewPChasbee