【課件】Unit+2++Discovering+useful+structures2019+必修第二冊

Unit2WildlifeProtection--ThePresentContinuousPassiveVoiceDiscoveringUsefulStructureHuaweilaunched(發(fā)布,上市)Mate20onOct.16th,2018.HuaweiwilllaunchP50PocketSsoon.Huaweihaslaunchedmanysmartphonessince2009.Huaweihasbeenlaunchingsmartphonessince2009.Warming-upComparethefollowingsentencesandpaymoreattentiontothevoice.Theyarebeinghuntedillegally,fortheirvaluablefur.Muchisbeingdowntoprotectwildlife.Whatmeasuresarebeingtakentohelpthem?Look!Thebabyisbeingtakencareofbyheraunt.PerceptionActivity1:Observetheunderlinedpartsandpaymoreattentiontothetenseandvoice.Theyarebeinghuntedillegally,fortheirvaluablefur.Muchisbeingdonetoprotectwildlife.Whatmeasuresarebeingtakentohelpthem?Look!Thebabyisbeingtakencareofbyheraunt.PresentContinuousPassiveVoice:am/is/arebeing+done新課導(dǎo)入Simple（一般）Continuous（進行）Present（現(xiàn)在）do/doesTenseis/am/aredoingPerfect（完成）Past（過去）Future（將來）Thepastfuture（過去將來）have/hasdonedidwas/weredoinghaddonewill/shalldowill/shallbedoingwill/shallhavedoneshould/woulddoshould/wouldbedoingshould/wouldhavedoneAnalysethestructureBe(amisare)+beingdone現(xiàn)在進行時被動語態(tài)（thepresentcontinuouspassivevoice）含義：現(xiàn)在進行時的被動語態(tài)表示現(xiàn)在或現(xiàn)階段正在進行或發(fā)生的被動動作，強調(diào)主語是動作的承受著。1.定義

表示“某人/事此時此刻正在被…”，主語是動作的承受者,表示說話時或現(xiàn)階段某個被動的動作正在進行。一、ThePresentContinuousPassiveVoice

現(xiàn)在進行時被動語態(tài)Theyarebeinghunted,illegally,fortheirvaluablefur.Peoplearehuntingthem,illegally,fortheirvaluablefur.Activity2:Focusontheform（時態(tài)和語態(tài)結(jié)合，先體現(xiàn)時態(tài)，后體現(xiàn)語態(tài)）現(xiàn)在進行時：am/is/are+V-ing被動語態(tài)：

be+done(V過去分詞)現(xiàn)在進行時的被動語態(tài)：主語+

am/is/are+being+done+(by…)表進行表被動二、現(xiàn)在進行時被動語態(tài)2.結(jié)構(gòu)

Understanding

Activity2:Workinpairs.Underlinethepresentcontinuouspassivevoiceinthesentenceanddiscussitsfunction.Africanelephants

arebeinghunted.2.Whatisbeingdone

tohelpthem?3.

Whatmeasuresarebeing

takentohelpthem?Huntersarehunting

Africanelephants.Whatarepeopledoing

tohelpthem?Whatmeasuresarepeople

takingtohelpthem?瀕危動物保護措施獵人大家共性：現(xiàn)在進行時表示正在發(fā)生的事件。差異：所強調(diào)的重點（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（時態(tài)不變）

be+being+done+byLearnthestructuresofpresentcontinuouspassivevoice.肯定句否定句一般疑問句特殊疑問句Trytosummarizethestructuresofpresentcontinuouspassivevoice.be(am/is/are)+beingdonebe(am/is/are)+not+beingdonebe(am/is/are)+主語+beingdone特殊疑問詞+be(am/is/are)+主語+beingdoneI’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.Choosethesuitableverbformstocompletethesentences.1.Theworkersarerepairingthebridge.2.Thestudentsarecleaningtheclassroom.3.Scientistsarestudyingthedisease.4.Oneofthebeststudentsiswritingthereport.UnderstandingThebridgeisbeingrepairedbytheworkers.Theclassroomisbeingcleanedbythestudents.Thediseaseisbeingstudiedbyscientists.Thereportisbeingwrittenbyoneofthebeststudents.(2)Changethefollowingsentencesintopassivevoice.Understanding1.表示此時此刻正在進行的被動動作。Thenewplanisbeingdiscussednow.這個新計劃現(xiàn)在正在被討論。2.表示現(xiàn)階段正在進行的被動動作,但該動

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

Understandthefunction.Thebikeisunderrepairnow.1.

這輛自行車現(xiàn)在正在被修理。

Thebikeisbeingrepairednow.2.

這個計劃現(xiàn)在正在被討論。

Theplanisbeingdiscussedatpresent.3.這個男孩的偷竊行為現(xiàn)在正在被控制。

Theboy'stheftisbeingcontrolledatthemoment.Theplanisunderdiscussionnow.Theboy’stheftisundercontrolatthemoment.(現(xiàn)在)正在被觀測

isbeingobserved=is__________________________.(現(xiàn)在)正在被攻擊/抨擊isunderattack=is___________________________.underobservationbeingattackedWhenIfalldownfromthe11thfloor,—朱德庸漫畫thecouple’srelationshipis______________byaquarrel.以恩愛著稱的夫妻正在互毆。tearsare________________byPeterwhoappearsstrong.看起來堅強的Peter正在偷偷哭泣。anti-depressiondrugsare_______________byDangdang.丹丹正在吃她的抗憂郁癥藥。someoneis________________anuncletovisithim.阿伯正在盼望有人拜訪他。10F9F7F3FbeingdamagedbeingshedbeingtakenbeingexpectedUnderstanding3.表示一種經(jīng)常性的被動行為,常和always,constantly,often等副詞連用,往往帶有夸獎、羨慕、埋怨、討厭等感情色彩。Tomisalwaysbeingpraisedbyhisteacher.湯姆總受到老師的表揚。Activity3:Theusageofthepresentcontinuouspassivevoice.(3)

Understandthefunction.Understanding4.某些表示“狀態(tài)、心理活動、存在”等的動詞,如have,want,need,love等一般不用現(xiàn)在進行時的被動語態(tài),而常用一般現(xiàn)在時的被動語態(tài)。Withthepopulationincreasing,morelandisneeded(need).隨著人口的增長,需要更多的土地。Activity3:Theusageofthepresentcontinuouspassivevoice.(3)

Understandthefunction.

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.Whatshouldwedo?arebeingcaughtarebeingsoldarebeingkilledisbeingdestroyedarebeingcoveredisbeingpolluted

一、現(xiàn)在進行時態(tài)表將來中的被動語態(tài)

WeareseeingtheTibetanantelopesnextweek.

Myfriendisseeingmeoff

nextTuesday.Iambeingvisitedbymygrandparentstomorrow.Thesportsmeet

isbeingheld

threedayslater.

二、現(xiàn)在進行時的被動語態(tài)

與

always,constantly等詞連用時,表示經(jīng)常性的被動動作,此時往往帶有贊賞、厭惡等感情色彩。e.g.Recentlymydaughterisalwaysbeingpraisedbytheteachers.Totheteacher'sanger,thesamemistakesarealwaysbeingmadebyhisstudents.Activity4.Fillintheblankswiththeproperformsofthewordsinbrackets.Practice1.Sinceyourbike

(repair),youcanusemine.

2.Daisyhasfoundthatalotofantelopes

(hunt)

andkilledforthe

woolbeneaththeirstomachsnow.3.Theinjuredfootballer

(treat)inthehospitalnow.

4.Hehurriedhome,neveroncelookingbacktoseeifhe

(follow).5.—Haveyouhandedinyourschoolworkyet?

—Yes,Ihave.Iguessit

(grade)now.

isbeingrepairedarebeinghuntedisbeingtreatedwasbeingfollowedisbeinggraded寫出謂語動詞不同時態(tài)的被動語態(tài)以do為例時態(tài)語態(tài)一般現(xiàn)在時do/doesam/is/aredone一般過去時did

was/weredone現(xiàn)在進行時am/is/aredoingam/is/arebeingdone過去進行時was/weredoing

was/werebeingdone現(xiàn)在完成時has/havedonehas/havebeendone過去完成時haddone

hadbeendone一般將來時willdo

willbedone過去將來時woulddo

wouldbedonePractice(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.becauseofcutdownonLastweek，wewatchedthefilmwhich______________(dirct)byChenKaige,XukeandLinChaoxian.Thefilm__________(call)ThebattleAtLakeChangjininEnglish.Lotsofattention_______________(pay)toitbeforeit___________(show).Accordingtothelatestnews,it_______________(watch)byover86millionpeople.It__________________(show)inthecinemabecauseofitspopularity.Itislikelythatthefilm______________(show)inforeigncountriesinthefuture.wasdirectediscalledhadbeenpaidwasshownhasbeenwatchedisstillbeingshownwillbeshownItmayseemthatprotectingwildlifeissomethingfarfromthelifeofahighschoolstudent,butinfact,alot_______________(do)byyoungpeoplearoundtheworld.InWashingtonState,USA,wolverines_________________(study)byscientistsinanefforttolearnhowtopreservethepopulation.However,duringthewinter,itisdifficulttoattracttheanimalstocamerashiddeninsnowyforests.Agroupofstudentsheardabouttheproblemandcreatedaspecialdevicewhich_______________

(test)deepinasnowyforestnow.Theirinvention______________(use)tosendoutacertainsmellnearthecameras.Theshyanimalsareattractedbythesmellandcomingaroundthecameras.They__________________(observe)byaconservationresearcher.arebeingdonearebeingstudiedisbeingtestedisbeingusedarebeingobserved(2)Finishthefollowingpassagewiththeverbsinbrackets.PracticeKeywordsreduce[r??dju?s]vt./vi.減少；降低；reduceto減少到

reduceby減少了

reducefrom…to從…減少到…e.g.Thesesunglassesaredesignedtoreduceglare.這些太陽鏡是為減少刺眼的強光而設(shè)計的。

Costshavebeenreducedby20%overthepastyear.

過去一年，各項費用已經(jīng)減少了20%。Thenumberofemployeeswasreducedfrom40to25.

雇員人數(shù)從40人減少到了25人。

Theskirtwasreducedto￡10inthesale.

在大減價期間，這條裙子減價到10英鎊。due[

dju?]adj.到期的；預(yù)期的；應(yīng)付的；n.應(yīng)付款；應(yīng)得之物dueto由于

beduetodosth預(yù)定/計劃做某事e.g.Hersuccesswasdueinparttoluck.她的成功在某種程度上是由于運氣好。Thefinalinstalmentontheloanisduenextweek.貸款的最后一期付款下個星期到期Myessay'sduenextFriday我的論文下周五必須交。Practice(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?arebeingcaughtarebeingsoldarebeingkilledisbeingdestroyedarebeingcoveredisbeingpollutedIngroups,discussthequestionsbelow.Preparetogiveapresentationofyourideastotheclass.A: