Unit+2+Wildlife+Protection+Discovering+Useful+Structures+课件-高一英语人教版（2019）必修第二册.pptx

Unit2DiscoveringUsefulStructures

现在进行时的被动语态;;Let’swatchashortvideoandanswer:

Whathappenedtotheanimals?;Letsenjoyasong！;被动语态的构成

1.ThebookwaswrittenbyLuXun.

2.Theclassroomsarecleanedbystudentseveryday.

3.ThismathsproblemcanbeworkedoutbylittleTom.

被动语态的构成：主语+be(am/is/was/are/were)+done;Everybodyeverybodywantstobeloved.

;Everybody,everybodywantstolove.;Let’sdoamathexercise!;主动语态;定义：表示“某人/事此时此刻正在被…”，主语是动作的承受者,表示说话时或现阶段某个被动的动作正在进行。;Theworkersarebuildingthehouse.;Warmingup;SomeoneishuntingAfricanelephant.;Tom’scarisbeingrepaired(byaworker)now.;TheyarehuntingTibetanantelopes.;Thediseaseisbeingstudiedatpresentbyscientists.;现在进行时的被动语态;现在进行时的被动语态构成;特殊用法：;①Thesemagazinesareprinting.

②Thehouseisburning.

③Themeatiscooking.;Readandcompletethepassagewiththepresentcontinuouspassivevoiceoftheverbsinbrackets.

Itmayseemthatprotectingwildlifeissomethingfarfromthelifeofahighschoolstudent,butinfact,alot_____________byyoungpeoplearoundtheworld.InWashingtonState,USA,wolverines(貂熊)_________________byscientistsinanefforttolearnhowtopreservethepopulation.However,ddringthewinter,itisdifficulttoattracttheanimalstocamerashiddeninsnowyforests.Agroupofstudentsheardabouttheproblemandcreatedaspecialdevicewhich______________deepinasnowyforestnow.Theirinvention_____________tosendoutacertainsmellnearthecameras.Theshyanimalsareattractedbythesmellandcomingaroundthecameras.They________________byacgnservationresearcher.;;各种形式;Exercises;THANKS