一、一般过去时表示的概念及用法：1、表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用，如yesterday, last night, in 1990, two days ago等。如：I got up at 6:30 yesterday. 我昨天6:30起床。【动作】She was at home last night. 她昨天晚上在家。【状态】He suddenly fell ill last night.他昨晚突然病倒了。We didnt have classes yesterday.昨天我们没有上课。2、表示过去经常或反复发生的动作，常和often, always，sometimes ，once a week等表示频度的时间状语连用。如：He always went to work by bus last year. 去年他一直乘公共汽车上班。She went to the cinema once a month when she was at school.她上学时每个月去看一场电影。When I was in t
