2023學(xué)年完整公開課版【教學(xué)】Unit 2 第3課時(shí)

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?瀕危動(dòng)物保護(hù)措施獵人大家共性：現(xiàn)在進(jìn)行時(shí)表示正在發(fā)生的事件。差異：所強(qiáng)調(diào)的重點(diǎn)（主語）不同。Activity3:Theusageofthepresentcontinuouspassivevoice.(1)Changetheactivevoiceintopassivevoice.UnderstandingSomeoneishuntingAfricanelephants.SomeoneishuntingAfricanelephants.主語謂語賓語someone.()賓語Africanelephants主語arebeinghuntedby謂語變被動(dòng)（時(shí)態(tài)不變）

be+being+done+by1.Theworkersarerepairingthebridge.2.Thestudentsarecleaningtheclassroom.3.Scientistsarestudyingthedisease.4.Oneofthebeststudentsiswritingthereport.UnderstandingThebridgeisbeingrepairedbytheworkers.Theclassroomisbeingcleanedbythestudents.Thediseaseisbeingstudiedbyscientists.Thereportisbeingwrittenbyoneofthebeststudents.(2)Changethefollowingsentencesintopassivevoice.Understanding1.表示此時(shí)此刻正在進(jìn)行的被動(dòng)動(dòng)作。Thenewplanisbeingdiscussednow.這個(gè)新計(jì)劃現(xiàn)在正在被討論。2.表示現(xiàn)階段正在進(jìn)行的被動(dòng)動(dòng)作,但該動(dòng)

作不一定此時(shí)此刻發(fā)生。Severalnewroadsarebeingbuiltinthecity.這個(gè)城市有幾條新公路正在建設(shè)中。Activity3:Theusageofthepresentcontinuouspassivevoice.(3)

Understandthefunction.Understanding3.表示一種經(jīng)常性的被動(dòng)行為,常和always,constantly,often等副詞連用,往往帶有夸獎(jiǎng)、羨慕、埋怨、討厭等感情色彩。Tomisalwaysbeingpraisedbyhisteacher.湯姆總受到老師的表?yè)P(yáng)。Activity3:Theusageofthepresentcontinuouspassivevoice.(3)

Understandthefunction.Understanding4.某些表示“狀態(tài)、心理活動(dòng)、存在”等的動(dòng)詞,如have,want,need,love等一般不用現(xiàn)在進(jìn)行時(shí)的被動(dòng)語態(tài),而常用一般現(xiàn)在時(shí)的被動(dòng)語態(tài)。Withthepopulationincreasing,morelandisneeded(need).隨著人口的增長(zhǎng),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