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2019-2020年高中英语《Unit5Meetingyourancestors》语言学习教案新人教版选修8Teachinggoals教学目标
1.Targetlanguage目标语言Grammar:Presentperfectcontinuoustense.
2.Abilitygoals能力目标Enablethestudentstousethepresentperfectcontinuoustense.
3.Learningabilitygoals学能目标Helpthestudentslearnhowtousethepresentperfectcontinuoustense.Teachingimportantdifficultpoints教学重难点Howtousethepresentperfectcontinuoustense.Teachingmethods教学方法Explanationandpractice.Teachingaids教具准备Aprojectorandaputer.Teachingproceduresways教学过程与方式StepⅠRevisionCheckthehomework.Letsomestudentsreadtheirwork.Asampleversion:AbriefintroductiontotheZhoukoudianCavesZhoukoudianisasmallvillagesituatedabout50kmsouthwestofBeijingIn1928DrC.C.YoungafamousChinesepaleontologistandWenzhongPeiayoungChinesegeologistjoinedtheexcavation.TwolowerjawsofPekingManwereunearthedinthisyear.TomaketheexcavationmoresuccessfulDrWengandDrBlackestablished“CenozoicResearchLaboratory”in
1929.ThePekingManSitealsoprovidesthemoreprecisescientificdataforthestudyoftheevolutionbehaviour.OnthewesternsideofZhoukoudianVillagetherearetwoparallelhills.TheoneontheeastislowerandcalledDragon-boneHill.Zhoukoudianisarelicofprimitiveculture48kilometerssouthwestofdowntownBeijingwhereLonggushandragonskeletonmountainisstanding.SeveraldecadesagolocalfarmersminedlimestoneinZhoukoudiancameuponsomebonefossilsandcalledthem“theDragonBones”.Zhoukoudianbecameknownas“DragonBoneMountain”.Drugstorespurchasedthebonesasamedicalingredient.Thenewsaboutthe“magicbones”drewattentionofscientists.In1929theselimestonecavesbecameworldfamouswiththediscoveryofaskullandtwoteethdatingback200000to500000years.TheywerenamedPekingman.ThehistoricalandculturalvalueoftheZhoukoudiansitehasbeenacknowledgedbyitslistingasaWorldHeritageSiteinDecember1987attheeleventhsessionofUNESCO.StepⅡLead-inAskthestudentstopointoutthesentencesthatcontainthestructureasin“Wehavebeenexcavatinghereformanyyears...”Samplesentences:
1.Wehavebeenfindingthebonesoftigersandbearsinthecavesandwethinktheseweretheirmostdangerousenemies.
2.Wehavebeenexcavatinglayersofashalmostsixmetersthickwhichsuggeststhattheymighthavekeptthefireburningallwinter.
3.Yesindeedasthebotanicalanalyseshavebeenspecificallyshowingusallthefieldsaroundhereusedtobepartofalargeshallowlake.T:WhatisthesamestructureinthesesentencesS:“have/hasbeendoing...”T:Yesinthisunitwewilllearn“have/hasbeendoingsth.”Thatisthepresentperfectcontinuoustense.StepⅢExplanationPresentPerfectContinuous[HAS/HAVE]+[BEEN]+[V+ing]Examples:Ihavebeenwaitingherefortwohours.ShehasonlybeenstudyingEnglishfortwoyears.Note:WhenyouareusingaverbtensewithmorethanonepartsuchasPresentPerfectContinuoushasbeenstudyingadverbsoftenebetweenthefirstpartandthesecondparthasonlybeenstudying.Use1DurationfromthePastuntilNowT:WeusethePresentPerfectContinuoustoshowthatsomethingstartedinthepastandhascontinuedupuntilnow.“forfiveminutes”“fortwoweeks”and“sinceTuesday”arealldurationswhichcanbeusedwiththePresentPerfectContinuous.Lookatthefollowingexamples.Showthefollowing.Theyhavebeentalkingforthelasthour.Shehasbeenworkingatthatpanyforthreeyears.JameshasbeenteachingattheUniversitysinceJune.Use2RecentlyLatelyT:YoucanusethePresentPerfectContinuouswithoutadurationsuchas“forfiveminutes”“fortwoweeks”and“sinceTuesday”.Withoutthedurationsthetensegivesamoregeneralmeaningof“lately”.Weoftenusethewords“lately”or“recently”inthesentencetostrengthenthismeaning.Nowreadtheseexamples.Showthefollowing.RecentlyIhavebeenfeelingreallytired.Shehasbeenwatchingtoomuchtelevisionlately.Maryhasbeenfeelingalittledepressed.ImportantT:RememberthatthePresentPerfectContinuoushasthemeaningof“lately”or“recently.”IfthePresentPerfectContinuousisusedinaquestionsuchas“Haveyoubeenfeelingalright”itsuggeststhatthepersonlookssickorunhealthy.Aquestionsuchas“Haveyoubeensmoking”suggeststhatyoucansmellthesmokeontheperson.Usingthistenseinaquestionsuggestsyoucanseesmellhearorfeeltheresultsoftheaction.Itispossibletoinsultsomeonebyusingthistenseincorrectly.Important:Non-ContinuousVerbs/MixedVerbsT:ItisimportanttorememberthatNon-ContinuousVerbscannotbeusedinanycontinuoustenses.Alsocertainnon-continuousmeaningsforMixedVerbscannotbeusedincontinuoustenses.ToexpresstheideaofPresentPerfectContinuouswiththeseexceptionverbsyoumustusePresentPerfect.Herearesomeexamples.Showthefollowing.Samhasbeenhavinghiscarfortwoyears.NotCorrectSamhashadhiscarfortwoyears.CorrectActive/PassivePresentPerfectContinuousExamples:RecentlyJohnhasbeendoingthework.ActiveRecentlyworkhasbeenbeingdonebyJohn.PassiveNote:PresentPerfectContinuousisrarelyusedinitspassiveform.StepⅣConsolidationShowtheseexercisesonthescreen.
1.HiTracyyoulooktired.I’mtired.I____inthelivingroomallday.A.paintedB.hadpaintedC.havebeenpaintingD.havepainted
2.Thereissomuchsnowthesedaysisn’tthereYesit____forafewdays.A.wassnowingB.hasbeensnowingC.hadbeensnowingD.snowed
3.Althoughthesescientists____ontheprojectfornearlyfouryearsIdon’tknowhowlongitwilllast.A.havebeenworkingB.hadworkedC.wereworkingD.areworking
4.NowthatsheisoutofjobLucy____goingbacktoschoolbutshehasn’tdecidedyet.A.hadconsideredB.hasbeenconsideringC.consideredD.isgoingtoconsider
5.Thelittleboyisdirtyfromheadtofootbecausehe____inthemudallmorning.A.hasplayedB.isplayingC.hasbeenplayingD.wasplayingKey:
1.C
2.B
3.A
4.B
5.CStepⅤPracticeAskthestudentstoworkinpairsandtaketurnstoreadthestatementandturnitintoaquestionusingthepresentperfectcontinuoustense.
1.S1:Samhasjustfinishedlearningtoflyanairplaneonsix-monthcourse.HowlongS2:HowlonghaveyoubeenlearningtoflyanairplaneSam
2.S1:Heswamtillhefeltverytired.Hehasjuststeppedoutoftheswimmingpool.HowalongS2:Howlonghashebeenswimmingintheswimmingpool
3.S1:SallyandZhouXinhavebeenbusyallday.WhatS2:WhathaveSallyandZhouXinbeendoingallday
4.S1:Theyhavearguedeachotherforyearsaboutthebestwaytogrowpotatoes.WhatS2:Aboutwhathaveyoubeenarguingwitheachotherforyears
5.S1:JailYangusesaparticularkindofwashingpowderandhisclotheshavealwaysbeencleanandsoft.WhatS2:WhatkindofwashingpowderhaveyoubeenusingtomakeyourclothescleanandsoftJailYangStepⅥHomeworkWordstudyexercisesareassignedashomework.Studentsareaskedtofinishthemafterclass.Andaskthestudentstolearnusefulwordsandexpressionsbyheartandpracticethem.Finishexercises1and2onpages40and
79.。