高中英語(yǔ)新人教版必修第二冊(cè)Unit2WildlifeProtectionDiscoveringUsefulStructures課件

2020學(xué)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.我們現(xiàn)在正在辦公室開(kāi)會(huì)。Wearehavingameetingintheofficenow.2.這些日子我一直在思考這個(gè)問(wèn)題。I’mthinkingofthequestionthesedays.3.下周二我的朋友將在機(jī)場(chǎng)為我送行。MyfriendisseeingmeoffnextTuesday.LearntoknowthestructureofpresentcontinuouspassivevoiceUnderlinethepresentcontinuouspassivevoiceinthesentencesanddiscussitsfunction.Africanelephantsarebeinghunted.Whatisbeingdonetohelpthem?Whatmeasuresarebeingtakentohelpthem?am/is/are+being+P.PFindmoresentenceswiththesameverbforminthisunit.Theyarebeinghunted,illegally,fortheirvaluablefur.Muchisbeingdonetoprotectwildlife.theuseofpresentcontinuouspassivevoicePresentcontinuouspassivevoiceisusedinthesameconditionswherepresentcontinuoustenseisused.Butitexpressapassivevoice.Theyarebeinghunted,illegally,fortheirvaluablefur.PeoplearehuntingTibetanantelopes,illegally,fortheirvaluablefur.Thetwosentencesaretellingthesamethingbutintwodifferentways.現(xiàn)在進(jìn)行時(shí)的被動(dòng)語(yǔ)態(tài)★現(xiàn)在進(jìn)行時(shí)的被動(dòng)語(yǔ)態(tài)的結(jié)構(gòu)肯定式：am/is/are+being+過(guò)去分詞否定式：am/is/are+not+being+過(guò)去分詞一般疑問(wèn)式：Am/Is/Are+主語(yǔ)+being+動(dòng)詞的過(guò)去分詞★現(xiàn)在進(jìn)行時(shí)的被動(dòng)語(yǔ)態(tài)的用法

現(xiàn)在進(jìn)行時(shí)的被動(dòng)語(yǔ)態(tài)強(qiáng)調(diào)主語(yǔ)是動(dòng)作的承受者，表示說(shuō)話時(shí)正在進(jìn)行著的被動(dòng)動(dòng)作、現(xiàn)階段正在進(jìn)行著的被動(dòng)動(dòng)作或?qū)⒁l(fā)生的動(dòng)作。egThemanisbeingquestionedbythepolicenow.Measuresarebeingtakentoprotectthoseendangeredanimals.AmIbeingtakenforaride?【拓展】

現(xiàn)在進(jìn)行時(shí)的被動(dòng)語(yǔ)態(tài)與always,constantly等詞連用時(shí)，表示經(jīng)常性的被動(dòng)動(dòng)作，此時(shí)往往帶有贊賞、厭惡等感情色彩。egRecentlymydaughterisalwaysbeingpraisedbytheteachers.Totheteacher'sanger,thesamemistakesarealwaysbeingmadebyhisstudents.UsepresentcontinuouspassivevoiceinproperformsReadthebackgroundofeachsentencecarefullytomakesurewhetheritispropertousepresentcontinuoustense.Analyzetherelationshipbetweenthesubjectanditsverbtodecidewhetheritispropertousepassivevoice.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)?6.It’sreportedthatlivingspacesforwildlifeare(reduced/beingreduced)duetothecuttingoftrees.n.

鹿n.

袋鼠vt.

減少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.

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

網(wǎng)WhydoesLinTaousepresentcontinuouspassivevoiceinthepassage?Inwhatconditionscanweusepresentcontinuouspassivevoicewhenweareexpressingourideas?Itis

reportedthatlivingspacesforwildlifearebeingreducedduetothecuttingoftrees.reduce

vt.

tomakesomethingsmallerorlessinsize,amount,orprice縮小;減少;降低【歸納】reducereduce...(from...)to...把……（從……）減少到……reduce...tosth./doingsth.使……陷入某種狀況/狀態(tài)reduce...by...把……減少……

reducesb.to...降職egMyweightreduceswhenIstopeatingsugar.Itreducestherisksofheartdisease.Thenewbridgeshouldreducetravellingtime(from50minutes)to15minutes.Costsonbookshavebeenreducedby20%overthepastyear.【語(yǔ)境應(yīng)用】根據(jù)提示完成句子。1)Thenumberoftheemployees_________________________(被削減了)40%inthelastfivemonths.2)Thepopulationherehas___________________(減少到)fiftythousandnow.3)那個(gè)軍官被降職成一名士兵。

Theofficerwasreducedtoasoldier.hasbeenreducedbybeenreducedto

【歸納】

dueadj.預(yù)定的;到期的

dueto:becauseof

由于；因?yàn)?/p>

預(yù)期做某事,預(yù)定要做某事

beduetosth./sb.

歸因于某事/某人;欠某人……

bedueforsth.應(yīng)有某物;應(yīng)得到某物

【聯(lián)想】表示“由于,因?yàn)椤钡亩陶Z(yǔ)還有:becauseof,asaresultof,thanksto,onaccountof,owingto等?！菊Z(yǔ)境應(yīng)用】單句語(yǔ)法填空。1)Thepolicemansaidtheaccidentlastnightwas_____________driving.

警察說(shuō)昨晚的事故是由于粗心駕駛造成的。2)Hisnewbook___________________nextyear.

他的新書預(yù)計(jì)明年出版。duetocarelessisduetobepublishedUsepresentcontinuouspassivevoicetodescribewildlifeprotectioninyoursurroundingsThinkaboutthewildlifeinyourcity.Findoutwherethewildlifelivesinyourcityandtheirlivingconditions.Findoutwhatpeopleoncedidtothewildlifeinthepast.