Module7Unit2Shecouldn'tseeorhear.[共58页]

快认快读is-wasam-wasare-werehave-hadhas-hadlearn-learned/learntwrite-wrotelive-livedgo-wentmake-madeFreetalk:Whatdidyoudoyesterday?I+动词过去式.Didyougotoazooyesterday?Yes,Idid.No,Ididn’t.Freetalk:Whatcanyoudo?Ican.cancant过去式过去式could能够couldnt不能够Let’smakesentenceswith“can”,”can’t”,“could”and“couldn’t”.表示现在：can/can’t表示过去：could/couldn’tWhenIwasababy,Icouldsee.Ico...