Module7Unit1 I helped Mum. yesterday 昨天 昨天老师做了什么，你知道昨天 老师都做了什么了吗？I watched TV yesterday.I played on the computer （电脑）.I phoned( 打电话)my friend yesterday.I cooked ( 煮）noodles yesterday.I helped Mum yesterday.I washed （洗）clothes yesterday.I watched TV . I played on the computer. I phoned my friend. I cooked noodles. I helped Mum .I washed clothes. 一般过去时态：用来描述自己和他人在过去某时间所进行的活动。繁忙的昨天 Yesterday wacth watched cook cooked help helped wash washed play played phone phoned现在式 过去式动词的过去式 : 1. 动词后面加ed, 2. 以不
