过去进行时完整41648ppt课件

.,RevisionAboutTense,-StudentsBook4Revision,六三学校：孙放,.,Lookattheflash,Part1:Leading-in,.,学习目标：1.知识目标：讨论过去某一时间正在发生的事情，语法为过去进行时态和由when引导的时间状语从句。2.能力目标：能听懂用过去进行时描述的事件，发表自己对事物的看法，能够使用过去进行时来描述在过去某一时刻的不同活动。3.情感目标：让学生爱上英语课堂活动,鼓励他们在课堂上进行合作交流，积极参与班级活动.教学重点:如何使用过去进行时。教学难点:区别在when与while引导的句子中过去进行时的运用。,.,cookamealatthistimeyesterday,Hecookatthistimeyesterday.,Part2:Letstalk,was,ing,.,Letstalk,playfootballatfouroclocklastFriday,HeplayfootballatfouroclocklastFriday.,was,ing,.,Letstalk,HeahorseatninelastSunday.,was,ing,ride,rid,.,Letstalk,haveaclassyesterdayafternoon,Theyaclassyesterdayafternoon.,were,have,ing,hav,.,writealetterwhenhermothercamehome,Letstalk,boatattenoclockyesterday,Letstalk,.,rideabikeatfiveoclockyesterday,Letstalk,.,swimatthistimeyesterday,Letstalk,.,readabookyesterdayafternoon,Letstalk,.,playfootballatfiveoclockyesterdayafternoon,Letstalk,.,at5oclockyesterdayafternoon,dance,Letstalk,.,fish,at5oclockyesterdayafternoon,Letstalk,.,1.意义：,2.构成：,3.标志词：,表示在过去某一时刻正在进行的动作。,was/were+doing,否定式：,was/werenot+doing,疑问式：,Was/Weredoing?,atthis/thattimeyesterdayat9:00lastnightwas/weredoingwhen.did.while,Part3:LearningThePastContinuousTense,.,Attention,when和while的异同:1.这两个词都有“当的时候”的意思。2.when既可指某一点时间，也可以指一段时间；while强调一段时间，所以从句的谓语动词常是延续性的。3.当when表示“在某一段时间里”的意思时，它可以代替while，但while不能代替when.Eg：WhenIcamehome,shewascookingdinner.当我到家时，她正在做饭。Whiletheyweretalking,thebellrang.正在他们谈话的时候，上课铃响了。,.,Lookandtalk,Therabbitwasjumpingwhilethepigwasdancing.,.,Theboywasplayingbasketballwhentheteachercamein.,.,Listenandanswer,Part4:Exercises,.,Doingsomeexercises,.,一、Fillintheblankswith“when”and“while”.1.Weweretalking_theteachercameintotheclassroom.2.Iwassinging_hewasdancing.3._Iwascuttinghair,theUFOlanded.4.Theboyswereplayingbytheriver_Tomfellintotheriver.5.Mymotherwaswashing_myfatherwascooking.6.Whatwereyoudoing_theUFOarrived?,when,when,when,while,While,while,.,Inthepicture,itwas4oclockyesterdayafternoon.BillandTom_.Acat_ontheroad.Bob_thewindow.Ann_somethingonthebook.Kate_abook.SallyandTessaweregoodfriends.They_.Dave_coffee_hisfriendDiana.AndyandTony_.Gary_atthenoticeboard.,Gary,wereplayingbasketball,wassleeping,wascleaning,waswriting,wasreading,weretalking,wasdrinking,with,waslooking,wereplayingchess,二、Fillintheblanksaccordingtothepictures.,.,Lookandsay,.,(7),(1),(2),(3),(8),(4),(5),(6),playgames,boat,buysomefruit,sellsomefruit,readbooks,playbasketball,fish,lookoutofhiswindow,.,Listentothestoryandanswerthequestions,.,Playaguessinggame!,.,Whatwashedoingat9pmyesterday?,Hewaslaughing.,.,WhatwashedoingwhenIsawhimyesterday?,Hewasplayingbasketball.,.,Whatwasshedoingatthattime?,Shewassleeping.,.,WhatwashedoingatthistimelastS