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1、8AUnit8NaturalDisastersPeriod4（活动单）Learningcontent:Grammar(P97---P98)Learningaims:◆Tolearntousepastcontinuoustensetotalkaboutthingsthatwerehappeningforsometimeinthepast.（学会用过去进行时谈论过去某一时刻或某段时间内发生的事）◆Tolearntousepastcontinuoustensewith‘when’,‘while’and‘as’.Lear
2、ningactivities:ActivityOneLearnpastcontinuoustense（过去进行时）Step1总结过去进行时的意义和结构1.Readsomesentences.(PPT)2.过去进行时表示的动作，也可表示的动作。其结构是/+V-.3.练习(a)They(eat)breakfastat7:00amyesterday.(b)From8to10yesterdayevening,he(watch)TVathome.(c)I(do)someshopping.(d)People(run)onth
3、eroad.Step2总结过去进行时的否定式和疑问式1.Talkaboutthepicture.(PPT)2.过去进行时的否定形式是：/+V-，疑问式是将/调到主语前面。3.练习(a)I(notread).(b)People(notrun)ontheroad.(c)he(run)?Yes,he./No,he.(d)they(run)?Yes,they./No,they.Step3MakeupadialogueOnechoosesacard,andactitout,thentheothersmakeupdialog
4、ues.Step4CompletetheconversationonP97.ActivityTwoTalkwith‘when’,‘while’and‘as’.Step1Knowabout‘longeraction’and‘shorteraction’,andconnect（连接）thesentenceswith‘when’,‘while’andas.Step2总结：1.连词when可以连接(longeraction/shorteraction).2.连词as可以连接(longeraction/shorteract
5、ion).3.连词while可以连接(longeraction/shorteraction).Step3练习.(用when,while或as填空)1.Iwasdoingsomeshoppingitstarted.2.theteachercamein,thestudentsweretalking.3.whileIwaswatchingTV,thetelephonerang.4.Myfatherwasreadingmymotherwascooking.5.Iwasdoingmyhomeworksomeoneknock
6、edatthedoor.Step4Connect（连接）thesentencesonPage98.ActivityFiveExercises一、单项选择()1.---Whatwereyoudoingthistimeyesterday?---I_____onthegrassanddrawingapicture.[2013北京]A.sitB.satC.amsittingD.wassitting()2.WhenIcamebackyesterdayevening,mybrother_____hishomework.[20
7、12长沙]A.isdoingB.doesC.wasdoingD.did()3.---Icalledyouat4:00yesterdayafternoon,butnooneanswered.---Sorry,I_____withmyfriendsatthattime.[2011河南]A.swimB.swamC.willswimD.wasswimming()4.---Amy,Icalledyouyesterdayevening,butnobodyansweredthephone.---Oh,I____awalkwit
8、hmymotheratthattime.[2013南通]A.takeB.tookC.amtakingD.wastaking()5.He_____whentheUFOarrived.Hedidn’twakeuntiltheUFOdisappeared.[2011枣庄]A.sleptB.wassleepingC.wasdoinghomeworkD.wassinging二、看图
