初中英语人教版八年级下册Unit5课件.ppt

,Whatwereyoudoingwhentherainstormcame?,Unit5,SectionA11a-2c,Hellen,Kate,Wangping,cookameal,atthistimeyesterday,Hewascookingatthistimeyesterday.,Whatwashedoingatthistimeyesterday?,playfootballatfouroclocklastFriday,HewasplayingfootballatfouroclocklastFriday.,WhatwashedoingatatfouroclocklastFriday?,atthistimeyesterday,cleantheclassroom,Shewascleaningtheclassroomatthistimeyesterday.,Whatwashedoingatthistimeyesterday?,swimatthistimeyesterday,Whatweretheydoingatthistimeyesterday?,Theywereswimmingatthistimeyesterday,attenoclockyesterdaymorning,sweepthefloor,atfiveoclockpmplayfootball,playbasketballwhentheteachercamein,Theywereplayingbasketballwhentheteachercamein.,writealetterwhenhermothercamehome,shewaswritingaletterwhenhermothercamein.,Whatwereyoudoingwhentheteachercamein?,whataboutyou?,Theywereplayingbasketballwhentheteachercamein.=whiletheywereplayingbasketball,theteachercameinshewaswritingaletterwhenhermothercamein.,when与while,=whileshewaswritingaletter,hermothercamein.,1.意义：,2.构成：,3.标志词：,表示在过去某一时刻或一段时间正在进行的动作。,was/were+doing,否定式：,was/werenot+doing,疑问式：,Was/Weredoing?,atthistimeyesterdayatthattimeat9:00lastnightwas/weredoingwhen.did.,过去进行时,一用所给动词的适当形式填空1What_you_(do)atnoonyesterday?2)I_(watch)TVwhenmymother_(come)in.3)He_(do)hislessonsattenyesterdaymorning.,were,doing,waswatching,came,wasdoing,1.Heoften_(watch)amovie.2.He_(watch)amovienow.3.He_(watch)amovieyesterday.4.He_(watch)amovietomorrow.5.He_(watc