TheThirdPeriodTeachingAims:1.Reviewthenewwordsappearinginthelasttwoperiods.2.Learntousethemodalverbs—must,haveto,havegotto.TeachingImportantPoints:1.Learntoguessthemissingwordaccordingtothegivensentence.2.Masterthemodalverbscorrectly.TeachingDifficultPoint:Howtouse“must”,“haveto”and“havegotto”properlyandhowtousetheirnegativeformscorrectly.TeachingMethods:1.Practiseandconsolidatethewordslearnedinthelasttwoperiods.2.Givingexamplestoexplainthedifferencebetween“must”and“haveto”andthedifferencebetween“mustn't”and“don'thaveto”.3.Makingsentencestoconsolidatetheusagesofthemodalverbs.TeachingAids:1.aprojector2.someslides3.somepicturesTeachingProcedures:StepⅠ.GreetingsGreetthewholeclassasusual.StepⅡ.RevisionT:Inthelastclass,wereadthepassage—Thebirthofafestival.Byreadingit,we'velearntsomethingaboutKwanzaa,suchasthebirthofit,thepurposeofit,thewayofcelebratingit,andthesevenprinciplesofit.NowIwanttoaskyousomequestionsaboutit.Thefirstone:Whocreatedthisfestival?Ss:DrMaulanaKarenga.T:Thesecondone:Isitayoungoranoldfestival?Whenwasitborn?Ss:Itisayoungfestivalbornin1966.T:Whendopeoplecelebrateit?Ss:FromDecember26(onedayafterChristmas)toJanuary1(NewYear'sDay).T:Howdopeoplecelebrateit?Ss:BylightingacandleeachdayanddiscussingoneofthesevenprinciplesofKwanzaa.T:WhydidDrKarengacreateKwanzaa?Ss:TocelebrateAfrica-Americancultureandhistory.T:Quiteright.Infactweareallcreatingnewfestivalseveryyear—festivalsandholidaysarealwayschangingandaswecelebratethem,wemakenewhistoryanddevelopourculture.Alltheholidaysandfestivalshelpusunderstandwhoweare,rememberwherewecomefromandshareourhopesforahappyfuture.Doyouthinkso?Ss:Yes.T:Somuchformyquestionsaboutthepassage.Besides,welearnedsomewordsinit.Doyoustillrememberthemeaningsofthem?Let'sdoanexerciseonthescreen.(Teachershowsthescreen.)用心爱心专心Findtherightexplanationforeachword.1.nation2.faith3.determination4.purpose5.generation6.ancestor7.peace8.trickA.astrongwishtosucceedindoingsomethingB.largecommunityofpeople;countryC.beliefinsomethingorsomeoneD.anactionmeanttodeceive(欺骗)someoneE.areasonfordoingsomethingF.thepeoplebornatacertaintimeG.apersoninyourfamilywholivedalongtimeagoH.quietnessandcalmT:Nowpleaselookatthescreen.Findtherightexplanationforeachofthewords.Ireadtheword,andyoufindandreadaloudtherightexplanationtoit.OK?Ss:OK.T:Nation.Ss:Largecommunityofpeople;country.T:…Ss:……Suggestedanswers:1—B2—C3—A4—E5—F6—G7—H8—DT:Welldone.Next,we'lldealwithLanguagestudy.First,Wordstudy.Then,Grammar.NowopenyourbooksatPage….Lookatthepart—Wordstudy.…Areyouready?Ss.Yes.T:Hereisanexerciseforyoutodo.Choosethebestwordtofillineachblank.Changetheformofthewordwherenecessary.Threeminuteslater,I'llcheckyouranswers.Suggestedanswers:1.theme,faith,purpose2.nations,generation,determination3.joy,ancestors,birth4.trick,peace,treatedStepⅣ.GrammarT:WeallknowthatDrKarengawrotesevenprinciplesofKwanzaainthereadingmaterial“Thebirthofafestival”.Canyoutellmewhattheyare?Ss:Theyareunity,self-determination,livingtogether,purpose,workingtogether…T:Whatdoes“purpose”mean?Ss:Wemustrememberourpastandbuildourfuture….T:Howaboutself-determination?Ss:Wehavetobuildourownlives,createforourselves,andspeakforourselves.T:Quiteright.(TeacherwritesthesesentencesontheBb.)Now,pleaselookattheblackboard.Inthesetwosentences,“must”and“haveto”arebothusedtotalkaboutobligation.Butt...