高一 人教版必修二 英语-第二单元《Lesson 4 Discovering Useful Structure》课件

高一—人教版必修二—英语—第二单元

Unit2WildlifeProtectionLesson4DiscoveringUsefulStructureAfterthisclass,youwillbeableto:knowthestructureofpresentcontinuouspassivevoice

(现在进行时的被动语态).2.usepresentcontinuouspassivevoicetodescribetheongoingevents.3.describethemeasuresthatarebeingtakentohelptheendangeredanimalswithpresentcontinuouspassivevoiceandgiveyourownsuggestionsonwildlifeprotectioninyourneighborhood.LearningObjectivesMakeaGuessWhatanimalsaretalkedabout?

？PartOne-WarmupPartOne-WarmupTheycanbeseeninthesnow-coveredmountains.Theyare

beinghuntedillegallyfortheirvaluablefur.TheyarebeingspeciallyprotectedinChangtangNationalNatureReserve.TibetanantelopeTheywereforcedtomovetohighermountainareasduetohabitatlosstosearchforplants.Muchisbeingdonetoprotectthemandtheirhabitat,especiallyinSichuanProvince.TheyhavebeenremovedfromtheIUCN’sRedListofendangeredanimals.giantpandasPartOne-WarmupTheyarebeinghuntedillegallyfortheirvaluablefur.TheyarebeingspeciallyprotectedinChangtangNationalNatureReserve.Muchisbeingdonetoprotectthemandtheirhabitat,especiallyinSichuanProvince.CanyoufindoutmoreexampleswiththesameverbforminthereadingtextonP18?arebeinghunted

protectedisbeingdonePartTwo-FormofPresentContinuousPassiveVoicearebeingFindmoresentenceswiththesameverbforminthereadingpassage.Theyarebeinghuntedillegallyfortheirvaluablefur.TheyarebeingspeciallyprotectedChangtangNationalNatureReserve.Muchisbeingdonetoprotectthemandtheirhabitat,especiallyinSichuanProvince.Theyarebeinghunted,illegally,fortheirvaluablefur.Muchisbeingdonetoprotectwildlife.PresentContinuousPassiveVoiceForm:isbeingdone/arebeingdonePartTwo-FormofPresentContinuousPassiveVoicearebeingcaughtarebeingsoldarebeingkilledisbeingdestroyedarebeingcoveredisbeingpollutedPartTwo-FormofPresentContinuousPassiveVoice1.Whatishappeningtothesmallbirdsinthewetland?Theyarebeingcaughtwithnet.2.Whatishappeningtothewildducks?Theyarebeingsold.3.Whatishappeningtothefishandsnakes?Theyarebeingkilled.4.Whatishappeningtothewetland?Itisbeingpollutedseriouslyeveryday.PartThree-MeaningofPresentContinuousPassiveVoicePresentContinuousVoiceMeaning:theactionishappeningatthetimeofspeakingComparethetwosentences,whyispassivevoiceusedhere?a.Thesmallbirdsarebeingcaughtwithnets.b.Huntersarecatchingthesmallbirdswithnets.PartThree-MeaningofPresentContinuousPassiveVoiceThewriterwantsthereaderstopaymoreattentiontothebirdsthanthehunters.Thedoerislessimportant.PartThree-MeaningofPresentContinuousPassiveVoiceThewriterdoesnotrefertoanyparticulargroupofpeople.Thedoerisgeneralpublic.Comparethetwosentences,whyispassivevoiceusedhere?a.Andevenworse,thewetlandisbeingdestroyed.b.Andevenworse,peoplearedestroyingthewetland.Comparethetwosentences,whyispassivevoiceusedhere?a.Thewetlandisbeingpollutedseriouslyeveryday.b.Thefactories/fishermen/peoplelivinginwetlandarepollutingthewetlandeveryday.PartThree-MeaningofPresentContinuousPassiveVoiceThewriterdoesnotknowortellwhoispollutingthewetland.

Thedoerisnotknown.Whenthedoeris:unimportantunknowngeneralpublicPassivevoiceismoreproper.PartThree-MeaningofPresentContinuousPassiveVoiceWhereispassivevoiceusuallyused?newsreportrulesandregulationsPartThree-MeaningofPresentContinuousPassiveVoiceFormDoerAction(Time)Situationsunimportantunknowngeneralpublichappeningatthetimeofspeakingisbeingdone/arebeingdoneformalsituations(newsreports,rules…)PartThree-MeaningofPresentContinuousPassiveVoiceMigratoryswansspottedatQingtongxiaWetlandNovember13,2020

Supposeyouwereaneditor.Decidetheproperverbformforthenewsarticle.PartFour-UseofPresentContinuousPassiveVoice

①Peoplespotteddozensofmigratoryswans

atthelakesinQingtongxiaWetlandintheNingxiaHuiautonomousregion.②ThankstoNingxia’sgreateffortsinprotectingthelandandwater,theregion’senvironmentisbeinggraduallyrecovered.③Atpresent,

specialequipmentiswatchingover

itsforest,

whosecoveragegrewto15.2percentin2019from11.4percentin2010.④Inaddition,peoplehaverestoredmorethan400wildlifespeciesandnearly1,000wildplantsthankstoprotectionefforts.

MigratoryswansspottedatQingtongxiaWetland November13,2020

①Peoplespotteddozensofmigratoryswans

atthelakesinQingtongxiaWetlandintheNingxiaHuiautonomousregion.→DozensofmigratoryswanswerespottedatthelakesinQingtongxiaWetlandintheNingxiaHuiAutonomousRegion.MigratoryswansspottedatQingtongxiaWetland November13,2020

Decidetheproperverbform.Decidetheproperverbform.MigratoryswansspottedatQingtongxiaWetland November13,2020

②ThankstoNingxia’sgreateffortsinprotectingthelandandwater,

theregion’senvironmentisbeinggraduallyrecovered.√MigratoryswansspottedatQingtongxiaWetland November13,2020

③Atpresent,

specialequipmentiswatchingover

itsforest,

whosecoveragegrewto15.2percentin2019from11.4percentin2010.→Atpresent,

itsforest,whosecoveragegrewto15.2percentin2019from11.4percentin2010,isbeingcloselywatchedoverbyspecialequipment.

Decidetheproperverbform.MigratoryswansspottedatQingtongxiaWetland November13,2020

④Inaddition,peoplehaverestoredmorethan400wildlifespeciesandnearly1,000wildplantsthankstoprotectionefforts.→Inaddition,morethan400wildlifespeciesandnearly1,000wildplantshavebeenrestoredthankstoprotectionefforts.

Decidetheproperverbform.DozensofmigratoryswanswerespottedatthelakesinQingtongxiaWetlandintheNingxiaHuiAutonomousRegion.ThankstoNingxia’sgreateffortsinprotectingthelandandwater,

theregion’senvironmentisbeinggraduallyrecovered.Atpresent,

itsforest,whosecoveragegrewto15.2percentin2019from11.4percentin2010,isbeingcloselywatchedoverbyspecialequipment.Inaddition,morethan400wildlifespeciesandnearly1,000wildplantshavebeenrestoredthankstoprotectionefforts.

MigratoryswansspottedatQingtongxiaWetland November13,2020

Whatdoyouknowisbeingdoneinyourneighborhoodtoprotectanimalsandplants?Writedownwhatyouknowwithpresentcontinuouspassivevoice.stricterlawstopreventhuntingandtrading?betterhabitat?advancedtechnology?fund?…PartFour-UseofPresentContinuousPassiveVoiceWhatdoyouknowisbeingdoneinyourneighborhoodtoprotectanimalsandplants?InGuangdongProvince,oneoftheregionsthatheavilyconsumeswildanimals,stricterlawsarebeingmadetobanwildlifetradeasfoodandreducepublichealthrisks.PartFour-UseofPresentContinuousPassiveVoiceWhatdoyouknowisbeingdoneinyourneighborhoodtoprotectanimalsandplants?ThreefreshwaterwildlifeprotectioncentersarebeingbuiltinConghua,Huadu,ZengchengDistrictstoprotecttheaquaticlifeinGuangdongProvince.It

willmainlyprotectspeciesreceivingtop-levelprotection,suchastheChinesesturgeon(中华鲟).PartFour-UseofPresentContinuousPassiveVoiceWhatdoyouknowisbeingdoneinyourneighborhoodtoprotectanimalsandplants?Thankstothewildlifeconservationcampaign(保护野生动物宣传月),knowledgeaboutwildlifeprotectionisbeingpromotedingeneralpublic.

PartFour-UseofPresentContinuousPassiveVoiceWhatothersuggestionsdoyouhave?ReportanongoingeventwithpresentcontinuouspassivevoiceFormDoerAction(Time)Situationsunimportantunknowngeneralpublichappeningatthetimeofspeakingisbeingdone/arebeingdoneformalsituations(newsreports,rules…)PartFive-SummaryWorkbook69Getyourselffamiliarwiththecorrectformofpresentcontinuouspassivevoice.