2024-2025學(xué)年新教材高中英語Unit2WildlifeProtectionPeriod4DiscoveringUsefulStructures學(xué)案新人教版必修第二冊

PAGEUnit2WildlifeProtectionPeriod4DiscoveringUsefulStructures學(xué)習(xí)目標(biāo)1.Tohaveagoodunderstandingofthestructureofthepresentcontinuouspassivevoiceanditsfunction.2.Tomastertheusageofthepresentcontinuouspassivevoicethroughself-studyandpractice.3.Tousethepresentcontinuouspassivevoiceflexiblyintherealcontext.課堂探究PartⅠObservationandanalysisPayattentiontotheunderlinedparts:thepresentcontinuouspassivevoice,changethemintoactivevoiceandcomparethedifferencesinmeaning.1.Africanelephantsarebeinghunted.→

2.Whatisbeingdonetohelpthem?→

3.Whatmeasuresarebeingtakentohelpthem?→

Differences:

PartⅡThestructuresandthefunctionsActivity1Summarizethestructuresofthepresentcontinuouspassivevoice.確定結(jié)構(gòu)

否定結(jié)構(gòu)

一般疑問結(jié)構(gòu)

特別疑問結(jié)構(gòu)

Activity2Observethefollowingsentencesandfigureoutthefunctionsofthepresentcontinuouspassivevoice.1.Mysisterisnowbeinginterviewed.

Function:

2.Manyinterestingexperimentsarebeingcarriedoutthesedays.

Function:

3.Heisalwaysbeingpraisedbytheleader.

Function:

4.Acelebrationisbeingheldthisweekendforhissuccess.

Function:

被動(dòng)語態(tài)的運(yùn)用情境:不知道或者不須要提及動(dòng)作的發(fā)出者;強(qiáng)調(diào)動(dòng)作的承受者。PartⅢConsolidationActivity1Choosethesuitableverbformstocompletethesentences.1.Im(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.Itisreportedthatlivingspacesforwildlifeare(reduced/beingreduced)duetothecuttingoftrees.Activity2Rewritethesentencesusingthepresentcontinuouspassivevoice.(WorkbookP68UsingStructuresExercise2)1.Thezooisopeninganewareaforthetwobabyelephants.→

2.Thedoctorsarenotexaminingthepatient.→

3.Theyareraisingmorefundsforresearchintowildlifeprotection.→

4.Thecityissettingupanewnaturereserveforendangeredanimals.→

5.Todaywearecompletingourwritingtaskonline.→

Activity3LiuTaowouldliketoexpresshisconcernoverthewetlandinhishometown.Helphimfinishthefollowingpassagewiththepresentcontinuouspassivevoiceoftheverbsinbrackets.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?

Activity4Completethespeechwiththecorrectsentencesorclauses.Thendiscusspossiblesolutionsingroups.(WorkbookP69UsingStructuresExercise5)Hello,everyone!IvejustcomebackfromawonderfultriptoTibet.Itwassobeautifultherethat.Thescenerywassoimpressiveandtheairwassofreshandclean.However,.Cans,astheypassthroughTibet.Iworryabouttheeffectthiswillhaveonthelocalwildlife.Weshouldallthinkaboutthis.

A.Visitorsarebeingtoldtopaymoreattentiontoprotectingtheenvironment.B.thisbeautifulcountrysideisbeingspoiledbycarelessvisitorsC.paperandplasticbagsarestillbeingthrownawaybymanytourgroupsD.Howcanwemakevisitorsmoreawareofthedamagethatisbeingdonetotheenvironment?E.IfeltIwasinafairyland(仙境)PartⅣSummary巧學(xué)助記主動(dòng)語態(tài)變被動(dòng)語態(tài)的原則:“三變”原則:原主變?yōu)閎y短語,原賓變?yōu)楝F(xiàn)主語,謂語主動(dòng)變被動(dòng)?！叭蛔儭痹瓌t:原句意思不變,原句時(shí)態(tài)不變,原句主謂賓以外成分不變。核心素養(yǎng)專練Ⅰ.Completethesentenceswiththecorrectformsofthegivenverbs.(WorkbookP68UsingStructuresExercise1)1.Anewlibrary(build)inourschool.Itwillopennextyear.

2.Conservationprogrammesforwildanimals(discuss)inAustralianow.

3.What(do)inyourtowntoprotectlocalwildlife?

4.Dontworry.Measures(take)tostopsuchathingfromhappeningagain.

5.I(tell)thatmyIDandpasswordarenotworking.WhatshouldIdonow?

6.Mum,mycomputer(fix).CanIuseyoursforawhile?

7.Itisbelievedthatmanyplantspecies(threaten)withextinction.

Ⅱ.Readandcompletethepassageaboutwildlifeprotectionwiththecorrectverbformsinbrackets.(WorkbookP69UsingStructuresExercise4)Thebalanceofnatureonourplanet(threaten)asalargenumberofspecies(drive)toextinction.Somescientistspredictthathalfofallourplantsandanimalswillbeextinctby2100.Thequestioniswhythesespecies(endanger).Oneofthemainreasonsislossofhabitat.Animalhabitats(destroy)ashumanssearchformorenaturalresourcestoconsume(消費(fèi)).Moreland(alsouse)forgrowingcropsorkeepinglivestock(家畜).Inaddition,massiveamountsofwaste(produce)byhumans,whicharepollutinganimalhabitats.Harmfulchemicals(create)byhumanactivitiesarebeingreleasedintotheair,water,andsoil.Thewholeofnature(affect)byhumanbeings.

However,muchhasbeendoneand(stilldo)tosaveendangeredspecies.Manyprogrammes(design)topreservethepopulationsofendangeredspecies.Inmyopinion,thereisstillhopethathumanscanliveinharmonywithallthingsontheearth.

Ⅲ.Makesmallconversationswithyourclassmatesusingthepresentcontinuouspassivevoice.

參考答案課堂探究PartⅠ1.HuntersarehuntingAfricanelephants.2.Whatarepeopledoingtohelpthem?3.Whatmeasuresarepeopletakingtohelpthem?Differences:所強(qiáng)調(diào)的重點(diǎn)(主語)不同。PartⅡActivity1確定結(jié)構(gòu)be(am/is/are)+beingdone否定結(jié)構(gòu)be(am/is/are)+not+beingdone一般疑問結(jié)構(gòu)be(am/is/are)+主語+beingdone特別疑問結(jié)構(gòu)特別疑問詞+be(am/is/are)+主語+beingdoneActivity21.表示此時(shí)此刻正在進(jìn)行的被動(dòng)動(dòng)作。2.表示現(xiàn)階段正在進(jìn)行的被動(dòng)動(dòng)作(該動(dòng)作在說話的瞬間未必正在進(jìn)行)。3.表示一種常常性的被動(dòng)行為,常和always,constantly等表示頻度的副詞連用,這種用法常常帶有贊揚(yáng)或厭惡的感情色調(diào)。4.有時(shí)可表示按支配或支配將要進(jìn)行的一個(gè)被動(dòng)動(dòng)作。PartⅢActivity11.working;beingpainted2.beingwritten3.beingattacked4.beingwatched5.hunting;beinghunted6.beingreducedActivity21.Anewareaisbeingopenedforthetwobabye