【正文】
Tom play ingLucyisread aWhatisTomdoing?WhatisLucydoing?Presentcontinuoustensebe(am/is/are)+verbingTom play ingLucywasread aWhat was Tom doing at that moment?WhatwasLucydoingat2:30.yesterday?They watchingTVfrom6to8.wereThetwins thinkwere ing.What weretheydoingfrom6to8lastnight?What werethetwinsdoingatthistimeyesterday?What were they doing?Theyweredoingmorningexercises at9:05yesterdaymorning.Theywereplayingbasketball atthistimelastSunday.Shewasdrinkingmilkatthistimeyesterday.atthattime.Shewasplayingputergamesfrom10to11yesterdaymorning.HewasreadingnewspaperTheyweredoingmorningexercisesat9:05yesterdaymorning. TheywereplayingbasketballatthistimelastSunday.Hewasdrinkingmilkatthistimeyesterday.Can you work out the rule?Shewasreadingnewspaperfrom10to11yesterdaymorning.Iwasplayingputergamesatthattime.Past continuous tensebe(was/were)+verbing1.過(guò)去進(jìn)行時(shí)主要表示在過(guò)去某一時(shí)刻正 在進(jìn)行的動(dòng)作。.a)Theywereeatingbreakfastat7:00amyesterday.b)Iwaswritingaletteratthistimeyesterday.c)Fiveminutesago,DannywaslookingoutofthewindowandSuzywasreadingabook.2.在過(guò)去某段時(shí)間一直在進(jìn)行的動(dòng)作.a)From1983to1998,hewasteaching