2023学年完整公开课版【教学】Unit 2 第3课时

Period3DiscoveringUsefulStructuresUnit2WildlifeProtectionWarming-upComparethefollowingsentencesandpaymoreattentiontothevoice.Theyarebeinghuntedillegally,fortheirvaluablefur.Muchisbeingdowntoprotectwildlife.Whatmeasuresarebeingtakentohelpthem?Look!Thebabyisbeingtakencareofbyheraunt.PerceptionActivity1:Observetheunderlinedpartsandpaymoreattentiontothetenseandvoice.Theyarebeinghuntedillegally,fortheirvaluablefur.Muchisbeingdonetoprotectwildlife.Whatmeasuresarebeingtakentohelpthem?Look!Thebabyisbeingtakencareofbyheraunt.PresentContinuousPassiveVoice:am/is/arebeing+doneUnderstanding

Activity2:Workinpairs.Underlinethepresentcontinuouspassivevoiceinthesentenceanddiscussitsfunction.Africanelephants

arebeinghunted.2.Whatisbeingdone

tohelpthem?3.

Whatmeasuresarebeing

takentohelpthem?Huntersarehunting

Africanelephants.Whatarepeopledoing

tohelpthem?Whatmeasuresarepeople

takingtohelpthem?濒危动物保护措施猎人大家共性：现在进行时表示正在发生的事件。差异：所强调的重点（主语）不同。Activity3:Theusageofthepresentcontinuouspassivevoice.(1)Changetheactivevoiceintopassivevoice.UnderstandingSomeoneishuntingAfricanelephants.SomeoneishuntingAfricanelephants.主语谓语宾语someone.()宾语Africanelephants主语arebeinghuntedby谓语变被动（时态不变）

be+being+done+by1.Theworkersarerepairingthebridge.2.Thestudentsarecleaningtheclassroom.3.Scientistsarestudyingthedisease.4.Oneofthebeststudentsiswritingthereport.UnderstandingThebridgeisbeingrepairedbytheworkers.Theclassroomisbeingcleanedbythestudents.Thediseaseisbeingstudiedbyscientists.Thereportisbeingwrittenbyoneofthebeststudents.(2)Changethefollowingsentencesintopassivevoice.Understanding1.表示此时此刻正在进行的被动动作。Thenewplanisbeingdiscussednow.这个新计划现在正在被讨论。2.表示现阶段正在进行的被动动作,但该动

作不一定此时此刻发生。Severalnewroadsarebeingbuiltinthecity.这个城市有几条新公路正在建设中。Activity3:Theusageofthepresentcontinuouspassivevoice.(3)

Understandthefunction.Understanding3.表示一种经常性的被动行为,常和always,constantly,often等副词连用,往往带有夸奖、羡慕、埋怨、讨厌等感情色彩。Tomisalwaysbeingpraisedbyhisteacher.汤姆总受到老师的表扬。Activity3:Theusageofthepresentcontinuouspassivevoice.(3)

Understandthefunction.Understanding4.某些表示“状态、心理活动、存在”等的动词,如have,want,need,love等一般不用现在进行时的被动语态,而常用一般现在时的被动语态。Withthepopulationincreasing,morelandisneeded(need).随着人口的增长,需要更多的土地。Activity3:Theusageofthepresentcontinuouspassivevoice.(3)

Understandthefunction.Activity4.Fillintheblankswiththeproperformsofthewordsinbrackets.Practice1.Sinceyourbike

(repair),youcanusemine.

2.Daisyhasfoundthatalotofantelopes

(hunt)

andkilledforthewoolbeneaththeirstomachsnow.3.Theinjuredfootballer

(treat)inthehospitalnow.

4.Hehurriedhome,neveroncelookingbacktoseeifhe

(follow).5.—Haveyouhandedinyourschoolworkyet?

—Yes,Ihave.Iguessit

(grade)now.

isbeingrepairedarebeinghuntedisbeingtreatedwasbeingfollowedisbeinggradedPractice(2)Choosethesuitableverbformstocompletethesentences.I’m(working/beingworked)athometodaybecausemyofficeis(painted/beingpainted).Thealarmingreportis(written/beingwritten).Itwillbefinishedsoon.Whatpartofthecityis(attacked/beingattacked)now?Rightnow,thedeerare(watched/beingwatched)overbymanyvolunteers.Whois(hunting/beinghunted)thekangaroos?Wherearethey(hunted/beinghunted)?Itisreportedthatlivingspacesforwildlifeare(reduced/beingreduced)duetothecuttingoftrees.becauseofcutdownonPractice(3)Finishthefollowingpassagewiththepresentcontinuouspassivevoiceoftheverbsinbrackets.Inthewetlandofmyhometown,therearemanydifferentkindsofanimals,includingwildbirds,fish,snakes,insectsandsoon.WhenIwasinprimaryschool,Ioftenwenttherewithmyfriendstowatchthebirdsandstudythem.Thatwasaninterestingplaceforallofus.Butthingshavebeguntochangeinrecentyears.Smallbirds_________________(catch)withnets.Wildducks_______________(sell)atfoodmarkets.Fishandsnakes___________________(kill)forfoodinrestaurants.Andevenworse,thewetland___________________(destroy).Someparts__________________(cover)withnewhouses.Youcanseerubbisheverywhere.Thewetland____________________(pollute)seriouslyeveryday.Iamveryworriedaboutit.Whatcanwedo?arebeingcaughtarebeingsoldarebeingkilledisbeingdestroyedarebeingcoveredisbeingpollutedSummaryActivity5:(1)Summarizethefunctionofpresentcontinuouspassivevoice.Itmayseemthatprotectingwildlifeissomethingfarfromthelifeofahighschoolstudent,butinfact,alot_______________(do)byyoungpeoplearoundtheworld.InWashingtonState,USA,wolverines_________________(study)byscientistsinanefforttolearnhowtopreservethepopulation.However,duringthewinter,itisdifficulttoattracttheanimalstocamerashiddeninsnowyforests.Agroupofstudentsheardabouttheproblemandcreatedaspecialdevicewhich_______________

(test)deepinasnowyfore