Period4GrammarTeachingAims:1.HelpSstogetaclearunderstandingaboutthedifferentusagesofprepositionsoftime(‘at’‘on”‘in’).2.DorelatedexercisesandcheckwhetherSscanhandlewiththeprepositionsoftime.Teachingfocus:1.HelpSstogetaclearunderstandingaboutthedifferentusagesofprepositionsoftime(‘at’‘on”‘in’).2.DorelatedexercisesandcheckwhetherSscanhandlewiththeprepositionsoftime.Teachingdifficulties:HelpSstogetaclearunderstandingaboutthedifferentusagesofprepositionsoftime(‘at’‘on”‘in’).Teachingprocedures:Step1ReviewReviewthewordsaboutthesevendaysinaweek,fourseasonsinayearandthetwelvemonthsinayear.Step2Practice1.Completeane-mailaboutHalloweenusingtheprepositionsoftime(‘at’/‘on’/‘in’).2.AskSstomakeupsentencesusingthethreeprepositionsoftimeandwritedownthetypicalsentencesontheblackboard.3.AskSstodiscusswitheachotherandgeneratetheusagesofthethreeprepositionsoftimeaccordingtothesentencesontheblackboard.4.AskSstosumuptheusagesofthethreeprepositions.IfSsstillcannottelloutalltheusages,justgiveahelptodosomesupplements.5.Dorelatedexercisesandchecktheanswerswithmultimedia.IfSsmakesmistakesjusthelphim/hertogetthecorrectanswer.6.GiveSsseveralminutestocompletetheexerciseonpage45&46inthetextbookandcheck.Step3SpeakupAskSstoworkingroupsandtalkabouttheirschooldaysusingtheprepositionsoftime.Askthemtodoareportortoactoutthedialogueinfrontofthewholeclass.LetotherSstofindouttheprepositionsoftimethespeakersused.Step4HomeworkCompletePeriodFive教后记：
