Unit 4 Friends Forever Understanding ideas 课件 课件（共15张PPT）高中英语外研版（2019）必修第一册(内嵌音频+视频).pptxVIP

PresentContinuouspassiveUnit4Amazingart

LearningObjectivestoobserveandcomparetheuseofthepassivevoiceandtheactivevoiceinthepresentcontinuous;tosummarizeitsbasicform:am/is/arebeingdone,andidentifyitsfunctionandthefieldinvolvedwhenitsused;tousethepresentcontinuouspassivetorewritethecorrespondingactivevoice;todescriberealsituationsbyusingthepresentcontinuouspassive.

Lookatthesentencesandanswerthequestions.1.Whatcausestheactioninsentence(a)?Thedressorthewind?2.Whatishappeningto“me”insentence(b)?

Comparethemandanswerthequestions.3.Whatisthedifferencebetweenthetwogroupsofsentences?4.Whydoestheauthorchoosetousethepassiveforminsteadoftheactiveforminthereadingpassage?

3.Whatisthedifferencebetweenthetwogroupsofsentences?4.Whydoestheauthorchoosetousethepassiveforminsteadoftheactiveforminthereadingpassage?activeform;passiveform.Thesculptureinsteadofthewindshouldbethefocus,oritsdressservesasthesubject;actuallywhoarepushingmeneverinterrupts“my”broadcast.

PresentcontinuouspassiveFormFunction

PresentationLookatthefollowingsentencesandsummarizeitsform.1.TheMonaLisaisbeingprotectedbyglass.2.Thesculpturesarenotbeingmovedtoday.3.Istheexhibitionbeingpreparednow?肯定句：am/is/are+being+过去分词否定句：am/is/are+not+being+过去分词疑问句：Am/Is/Are+主语+being+过去分词？

Presentationdo/doesam/are/isdonedidwas/weredone被动语态的构成：was/weredoinghave/has/haddonewilldoam/are/isdoing

Iambeingpushedaroundquiteabit,infact.35000worksarecurrentlybeingdisplayedinover300rooms.(thesamemoment)(thecurrentperiod)Presentation

WhenWhytoUseIt?Thebabyisbeingtakencareofbyherauntnow.Manyimportantsurveysarebeingconductedthesedays..Heisalwaysbeingcriticizedbyhisfather.a.toshowthepassiveactionthatishappeningrightthemome