人教版新教材必修二Unit2WildlifeProtectionDiscoveringUsefulStructures课件（41张）

2020学年度人教版新教材必修二Unit2WildlifeProtectionDiscoveringUsefulStructuresUnit2WILDLIFEPROTECTIONReportanongoingeventLearntoknowthestructureofpresentcontinuouspassivevoice.Learntousepresentcontinuouspassivevoicetodescribetheongoingevents.Learntousepresentcontinuouspassivevoicetodescribetheendangeredanimals’conditionsandmeasurestakentohelpthem.Haveyoustillrememberedthestructureofpresentcontinuoustense?Haveyoustillrememberedtheuseofpresentcontinuoustense?presentcontinuoustenseam/is/aredoing…Wearedoingmanythingstoprotecttheanimals.WeareseeingtheTibetanantelopesnextweek.WeareobservingtheTibetanantelopesthesedays.Wearedoingmanythingstoprotecttheanimals.WeareseeingtheTibetanantelopesnextweek.WeareobservingtheTibetanantelopesthesedays.somethinghasnotstoppedsomethingwilldoinplansomethingpeopledoinaperiodoftimetheuseofpresentcontinuoustenseTranslatethefollowingsentences.1.我们现在正在办公室开会。Wearehavingameetingintheofficenow.2.这些日子我一直在思考这个问题。I’mthinkingofthequestionthesedays.3.下周二我的朋友将在机场为我送行。MyfriendisseeingmeoffnextTuesday.LearntoknowthestructureofpresentcontinuouspassivevoiceUnderlinethepresentcontinuouspassivevoiceinthesentencesanddiscussitsfunction.Africanelephantsarebeinghunted.Whatisbeingdonetohelpthem?Whatmeasuresarebeingtakentohelpthem?am/is/are+being+P.PFindmoresentenceswiththesameverbforminthisunit.Theyarebeinghunted,illegally,fortheirvaluablefur.Muchisbeingdonetoprotectwildlife.theuseofpresentcontinuouspassivevoicePresentcontinuouspassivevoiceisusedinthesameconditionswherepresentcontinuoustenseisused.Butitexpressapassivevoice.Theyarebeinghunted,illegally,fortheirvaluablefur.PeoplearehuntingTibetanantelopes,illegally,fortheirvaluablefur.Thetwosentencesaretellingthesamethingbutintwodifferentways.现在进行时的被动语态★现在进行时的被动语态的结构肯定式：am/is/are+being+过去分词否定式：am/is/are+not+being+过去分词一般疑问式：Am/Is/Are+主语+being+动词的过去分词★现在进行时的被动语态的用法

现在进行时的被动语态强调主语是动作的承受者，表示说话时正在进行着的被动动作、现阶段正在进行着的被动动作或将要发生的动作。egThemanisbeingquestionedbythepolicenow.Measuresarebeingtakentoprotectthoseendangeredanimals.AmIbeingtakenforaride?【拓展】

现在进行时的被动语态与always,constantly等词连用时，表示经常性的被动动作，此时往往带有赞赏、厌恶等感情色彩。egRecentlymydaughterisalwaysbeingpraisedbytheteachers.Totheteacher'sanger,thesamemistakesarealwaysbeingmadebyhisstudents.UsepresentcontinuouspassivevoiceinproperformsReadthebackgroundofeachsentencecarefullytomakesurewhetheritispropertousepresentcontinuoustense.Analyzetherelationshipbetweenthesubjectanditsverbtodecidewhetheritispropertousepassivevoice.Choosethesuitableverbformstocompletethesentences.1.I’m(working/beingworked)athometodaybecausemyofficeis(painted/beingpainted).2.Thealarmingreportis(written/beingwritten).Itwillbefinishedsoon.3.Whatpartofthecityis(attacked/beingattacked)now?4.Rightnow,thedeerare(watched/beingwatched)overbymanyvolunteers.5.Whois(hunting/beinghunted)thekangaroos?Wherearethey(hunted/beinghunted)?n.

鹿n.

袋鼠vt.

减少1.Wearedoingmanythingstoprotecttheanimals.Manythingsarebeingdonetoprotecttheanimals.Changethesentencesintotheirpassivevoice.2.WeareseeingtheTibetanantelopesnextweek.TheTibetanantelopesarebeingseennextweek.3.WeareobservingtheTibetanantelopesthese

days.TheTibetanantelopesarebeingobservedthesedays.Haveyouvisitedawetland?Whatcanyouseeinthewetland?Whyshouldwesetupthewetland?LiuTaowouldliketoexpresshisconcernoverthewetlandinhishometown.Helphimfinishthepassagewiththepresentcontinuouspassivevoiceoftheverbsinbrackets.Inthewetlandofmyhometown,therearemanydifferentkindsofanimals,includingwildbirds,fish,snakes,insectsandsoon.WhenIwasinprimaryschool,Ioftenwenttherewithmyfriendstowatchthebirdsandstudythem.Thatwasaninterestingplaceforallofus.Butthingshavebeguntochangeinrecentyears.n.

昆虫Smallbirds______________(catch)withnets.Wildducks_____________(sell)atfoodmarkets.Fishandsnakes_____________(kill)forfoodinrestaurants.Andevenworse,thewetland_______________(destroy).Someparts______________(cover)withnewhouses.Youcanseerubbisheverywhere.Thewetland_____________(pollute)seriouslyeveryday.Iamveryworriedaboutit.Whatshouldwedo?arebeingcaughtarebeingsoldarebeingkilledisbeingdestroyedarebeingcoveredisbeingpollutedn.

网WhydoesLinTaousepresentcontinuouspassivevoiceinthepassage?Inwhatconditionscanweusepresentcontinuouspassivevoicewhenweareexpressingourideas?【归纳】to

【归纳】

dueadj.预定的;到期的

dueto:becauseof

由于；因为

预期做某事,预定要做某事

beduetosth./sb.

归因于某事/某人;欠某人……

bedueforsth.应有某物;应得到某物

【联想】表示“由于,因为”的短语还有:becauseof,asaresultof,thanksto,onaccountof,owingto等。【语境应用】单句语法填空。1)Thepolicemansaidtheaccidentlastnightwas_____________driving.

警察说昨晚的事故是由于粗心驾驶造成的。2)Hisnewbook___________________nextyear.

他的新书预计明年出版。duetocarelessisduetobepublishedUsepresentcontinuouspassivevoicetodescribewildlifeprotectioninyoursurroundingsThinkaboutthewildlifeinyourcity.Findoutwherethewildlifelivesinyourcityandtheirlivingconditions.Findoutwhatpeopleoncedidtothewildlifeinthepast.Findoutwhatpeoplearedoingtoprotectthewildlife.Ingroups,discussthequestionsbelow.Prepare