1、PREPOSITIONS OF TIME:AT,IN,ON.Weuse:atforaPRECISETIMEIhaveameetingat9am.Theshopclosesatmidnight.Janewenthomeatlunchtime.at 3 oclockat 10.30amat sunriseat bedtimeat dinnertimeat noonat the momentat sunset.Weuse:inforMONTHS,YEARS,CENTURIES and LONG PERIODS.InEngland,itoftensnowsinDecember.Doyouthinkwe
2、willgotoJupiterinthefuture?Thereshouldbealotofprogressinthenextcentury.in the Summerin Mayin the Ice Agein the past/futurein the 1990sin the next centuryin 1990in Summer.Weuse:onforDAYSandDATESDoyouworkonMondays?Herbirthdayison20November.WherewillyoubeonNewYearsDay?onSundayonSundayonTuesdaysonTuesda
3、yson6Marchon6Marchon25Dec.2010on25Dec.2010.Noticetheuseoftheprepositionoftimeatinthefollowingstandardexpressions:ExpressionExampleatnightThestarsshineatnight.attheweekend*Idontusuallyworkattheweekend.atChristmas*/EasterIstaywithmyfamilyatChristmas.atthesametimeWefinishedthetestatthesametime.atpresen
4、tHesnothomeatpresent.Trylater.Prepositions of time.Noticetheuseoftheprepositionsoftimeinandoninthesecommonexpressions:inoninthemorningonTuesdaymorninginthemorningsonSaturdaymorningsintheafternoon(s)onSundayafternoonsintheevening(s)onMondayevening.Whenwesaylast,next,every,thiswedonotalsouseat,in,on.I
5、wenttoLondonlastJune.(notinlastJune)HescomingbacknextTuesday.(notonnextTuesday)IgohomeeveryEaster.(notateveryEaster)Wellcallyouthisevening.(notinthisevening).Remember:inforlargerperiodsoftime.onforsmallperiodsoftime.atforpreciseperiodsoftime.感谢亲观看此幻灯片，此课件部分内容来源于网络，感谢亲观看此幻灯片，此课件部分内容来源于网络，如有侵权请及时联系我们删除，谢谢配合！如有侵权请及时联系我们删除，谢谢配合！
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