Unit2TheMostImportantDayinMyLifeGrammar-modal+havedoneContents:1.Vocabulary：luckily,luck,lucky,response,sweep,forgive,sight,hearing,scarletfever,deaf,education,palm,attend,institute,admission,,author,atfirst,asaresultof,afterwards,inspiteof,inaddition,infact,atlast,therefore,what’smore2.Structure:Itmusthaverainedlastnight.Hecan’thavegonetotheplayground.Itisraining.Theymighthavemistakenyou.Youshouldhavedoneyourhomeworkfirst.Youneedn’thavewateredtheplant.Itrainedlastnight.3.DialogueorReading(给出具体内容)Objectives:1.Instructionalaims(languageknowledgeandlanguageskills)1)Grasptheusagesof“modalverbs+havedone“andusethemfreely2)Teachthestudentssomeskillstodoexerciseabout“modal+havedone”.2.Educationalaims(affect,learningstrategyandculturalawareness)1).Trytouse“modal+havedone”toexpressone’sownattitudes.2).Letthestudentsunderstandtheothers’attitudesaboutsomething.Focalpoints:Letthestudentsgrasptheusagesof“modalverbs+havedone”Difficultpoints:Howtoletthestudentsuse“modalverbs+havedone”freely.ProceduresandTimeAllotmentStage1Gettingstudentsreadyforlearning(3mins)Step1.GreetingsStep2.RoutinetaskStage2Revision(2mins)1ReviewModalverbs(I):must,may,should,will,havetoStage3Presentation(7mins)Step1.studyingtheruleReadthefollowingdialogues,payingattentiontothecolouredparts.Andthendiscusswithyourpartnerabouttherules.1)A:Whyistheroadsowet?B:Itmusthaverainedlastnight.2)A:Wherearethegirls?Cantheyhavegonehome?B:No,theycan’thavegonehome.It’ssoearly.3)A:Look,thelightsareoffintheirroom.B:Wherehavetheygone?A:Theymighthavegonetothecinema.4)A:Hereisadollforyourdaughter.B:Thankyousomuch.It’sbeautiful.Butyouneedn’thaveboughtit.Youhaveboughtsomanyforher.Step2.FindingtheruleStudytherulesinthefollowingtableandcompleteitwithexamples.Modalverbs+havedoneExplanationsExamplesentencesmusthavedoneBelievingwhathappenedinthepastisthecase(usedonlyinpositivesentences)Itmusthaverainedlastnight.can/couldhavedoneindicatingthatsomethingwasapossibilityinthepast,thoughitdidnotactuallyhappen(negativeorinterrogativesentences)--WhereisJohn?Canhehavegonetotheplayground?---No,hecan’thavegonetotheplay-ground.Itisraining.may/mighthavedoneSuggestingthatitispossiblethatsomethinghappenedorwastrue(usedonlyinpositive/negativesentences)Theymighthavemistakenyoushould/shouldn’thavedoneindicatingthatsomethingdidnot/didhappen,butthespeakerwishesithad(not)happenedYoushouldhavedoneyourhomeworkfirst.2Needn’thavedoneindicatingthatitisnotnecessaryforsb.todosth,thoughhe/shedidit.Youneedn’thavewateredtheplant.Itrainedlastnight.Stage4Drills(12mins)Step1.Choralrepetition(wholeclasstogether)Choosethebestanswerforeachblank1.SorryI’mlate.I_____haveturnedoffthealarmclockandgonebacktosleepagain.（2000北京春季）A.mightB.shouldC.canD.will2.Iwasreallyanxiousaboutyou.You____homewithoutaword.(01全国)A.mustn'tleaveB.shouldn'thaveleftC.couldn'thaveleftD.needn'tleave3.—I’lltellMaryabouthernewjobtomorrow.—You__herlastweek.（04福建）A.oughttotellB.wouldhavetoldC.musttellD.shouldhavetold4.—Tomgraduatedfromcollegeataveryyoungage.—Oh,he____havebeenaverysmartboythen.（04全国IV）A.couldB.shouldC.mightD.must5.He_____havecompletedhiswork;otherwise,hewouldn'tbeenjoyinghimselfbytheseaside.(05北京卷)A.shouldB.mustC.wouldn'tD.can't6.—DoyouknowwhereDavidis?Icouldn’tfindhimanywhere.—Well.He____havegonefar—hiscoat’sstillhere.（05湖北卷）A．s...
