Unit2WildlifeProtectionPeriod4DiscoveringUsefulStructures（精講課件）高一英語上學(xué)期（人教版2019）

Teachingobjectives1.Learntoknowthestructureofpresentcontinuouspassivevoice.2.Learntousepresentcontinuouspassivevoicetodescribetheongoingevents.3.Learntousepresentcontinuouspassivevoicetodescribetheendangeredanimals’conditionsandmeasurestakentohelpthem.Simple（一般）Continuous（進(jìn)行）Present（現(xiàn)在）do/doesTenseis/am/aredoingPerfect（完成）Perfectcontinuous（完成）Past（過去）Future（過去）Thepastfuture（過去將來）have/hasdonehave/hasbeendoingdidwas/weredoinghaddoneHadbeendoingwill/shalldowill/shallbedoingwill/shallhavedonewill/shallhavebeendoingshould/woulddoshould/wouldbedoingshould/wouldhavedoneshould/wouldhavebeendoingLeadinActivevoice(主動(dòng)語態(tài))

Passiveform(被動(dòng)語態(tài))

(1)Itakeabook.(1)Thebookistakenbyme.(2)Hewaterstheflowerseveryday.(2)Theflowersarewateredbyhimeveryday.(3)Thefamersdon'tgrowapplesonthefarm.(3)Applesarenotgrownbythefarmersonthefarm.(4)Canweputourbikeshere?(4)Canourbikebeputhere?ThestructureofpresentcontinuouspassivevoiceReadthethreesentencesandtrytofindthefunctionsofpresentcontinuouspassivevoice.Africanelephantsarebeinghunted.Whatisbeingdonetohelpthem?Whatmeasuresarebeingtakentohelpthem?Books…arebeing…read…bystudents.…Africanelephantsarebeinghunted.Objectam/is/arebeingpastparticiple(by+Subject)+++

Presentcontinuoustense(現(xiàn)在進(jìn)行時(shí))

Presentcontinuouspassivetense(現(xiàn)在進(jìn)行時(shí)被動(dòng)語態(tài))

(1)Iamreadingabook.(1)Thebookisbeingreadbyme.(2)Theyarehuntingadear.(2)Thedearisbeinghuntbythem.(3)Tomisplayingtheguitar.(3)TheguitarisbeingplayedbyTom.1.定義

表示“某人/事此時(shí)此刻正在被…”，主語是動(dòng)作的承受者,表示說話時(shí)或現(xiàn)階段某個(gè)被動(dòng)的動(dòng)作正在進(jìn)行。1.PandasarebeingprotectedinWolongNationalReserve.2.Amodernschoolisbeingbuiltforthestudentsthesemonths.3.AChristmaspartyisbeingheldtonight.4.Tomisalwaysbeingpraisedbytheteacher.說話時(shí)正在進(jìn)行的被動(dòng)動(dòng)作現(xiàn)階段正在進(jìn)行的被動(dòng)動(dòng)作按計(jì)劃或安排將要進(jìn)行的一個(gè)被動(dòng)動(dòng)作經(jīng)常的被動(dòng)行為2.句型

1）肯定形式：am/is/are＋being＋過去分詞Thehouseisbeingpainted.2）否定形式:am/is/are＋not＋being＋過去分詞Thetreesarenotbeingwatered.3）疑問形式:Am/Is/Are＋主語＋being＋過去分詞？AmIbeingwatchedover?4）特殊疑問句的形式:把特殊疑問詞放在一般疑問句前面。Howmanybridgesarebeingbuiltinthevillage?Summary時(shí)態(tài)一般時(shí)進(jìn)行時(shí)完成時(shí)現(xiàn)在時(shí)過去時(shí)將來時(shí)am/is/aredoneam/is/arebeingdonewas/weredoneshall/willbedonewas/werebeingdonehadbeendoneshall/willhavebeendonehas/havebeendonePractice1.I'm(working/beingworked)athometodaybecausemyofficeis(painted/beingpainted).2.Thealarmingreportis(written/beingwritten).Itwillbefinishedsoon.Practice3.Whatpartofthecityis(attacked/beingattacked)now?4.Rightnow,thedeerare(watched/beingwatched)overbymanyvolunteers.Practice5.Whois(hunting/beinghunted)thekangaroos?Wherearethey(hunted/beinghunted)?6.Itisreportedthatlivingspacesforwildifeare(reduced/beingreduced)duetothecuttingoftrees.LiuTaowouldliketoexpresshisconcernoverthewetlandinhishometown.Helphimfinishthepassagewiththepresentcontinuouspassivevoiceoftheverbsinbrackets.PracticePracticeInthewetlandofmyhometown,therearemanydifferentkindsofanimals,includingwildbirds,fish,snakes,insectsandsoon.WhenIwasinprimaryschool,Ioftenwenttherewithmyfriendstowatchthebirdsandstudythem.Thatwasaninterestingplaceforallofus.Butthingshavebeguntochangeinrecentyears.Smallbirds________________(catch)withnets.Wildducks_____________(sell)atfoodarebeingcaughtarebeingsoldPracticeFishandsnakes______________(kill)forfoodinrestaurantsandevenworse,thewetland_________________(destroy).Someparts________________(cover)withnewhouses.Youcanseerubbisheverywhere.Thewetland_________________(pollute)seriouslyeveryday.Iamveryworriedaboutit.Whatcanwedo?arebeingkilledisbeingdestroyedarebeingcoveredisbeingpollutedSummary現(xiàn)在進(jìn)行時(shí)的被動(dòng)語態(tài)1.定義:表示說話時(shí)或現(xiàn)階段正在進(jìn)行的被動(dòng)動(dòng)作，強(qiáng)調(diào)主語是動(dòng)作的承受者。2.句型結(jié)構(gòu):

肯定句：am/is/are+being+v-ed

否定句：am/is/are+not+being+v-ed

一般疑問：Am/Is/Are+主語+being+v-ed+其他？

特殊疑問句：

疑問詞+am/is/are+being+v-ed？

疑問詞+am/is/are+主語+being+v-ed+其他？3.用法： (1)主語是動(dòng)作的承受者且動(dòng)作正在發(fā)生或持續(xù)。 (2)一種習(xí)慣的被動(dòng)行為，常與always,constantly

等頻度副詞連用，常有贊賞或討厭等感情色彩。 (3)與某些情態(tài)動(dòng)詞連用，表示對(duì)正在發(fā)生動(dòng)作的推測(cè)。4.特殊用法。RevisionofthePassiveVoiceEveryyearover29,000antelopes________(kill)inTibet.2.Inthepast,theelephants__________(kill)byfarmers.3.Inthepasttwentyyears,alargenumberofbambooareas______________(setup)tohelppandasgrow.arekilledwerekilledhavebeensetup一般現(xiàn)在時(shí)被動(dòng)語態(tài)一般過去時(shí)被動(dòng)語態(tài)現(xiàn)在完成時(shí)被動(dòng)語態(tài)4.Atpresentanewhome____________(build)forpandas.isbeingbuilt現(xiàn)在進(jìn)行時(shí)被動(dòng)語態(tài)RevisionofthePassiveVoice5.WWFhopesthatmoreandmorewildanimals______________(protect)inthefuture.將來時(shí)被動(dòng)語態(tài)willbeprotected6.LilyjusttoldmeJack____________(fire)sincelastmonth.hadbeenfired7.Myhomework___________________whenyouarrivetomorrow.willhavebeenfinished過去完成時(shí)被動(dòng)語態(tài)將來完成時(shí)被動(dòng)語態(tài)Ingroups,discussthequestionsbelow.Preparetogiveapresentationofyourideastotheclass.DiscussionPossibleanswer: