Section Ⅱ Grammar——与过去相关的三种时态课前自主预习[例句·体验]1.I saw him in the street yesterday.昨天我在街上看见他了。2.When I was a teenager, I played table tennis almost every day.当我十几岁时,我几乎每天都打乒乓球。3.She wanted to know when we were starting this task.她想知道我们什么时候开始这项任务。4.She was always thinking of others.她老是想着别人。5.I had been at the bus stop for 20 minutes when a bus finally came.当公共汽车终于来到的时候,我在车站已等了 20 分钟。6 . He had learned English for a few years before he went to the United States.在去美国之前,他已学习了几年英语。课堂合作探究[语法·讲座]一、一般过去时1.一般过去时表示过去发生的动作或存在的状态,与 yesterday, last week, in 1949, a few days ago, the other day, at one time 等表示过去的时间状语连用。①The live football match was broadcast last night.1昨天晚上进行了足球比赛现场直播。2.表示过去的习惯动作,常与 often,usually,seldom 等频度副词连用;used to do 和would do 表示过去常常。②When I was a student, I often walked to school.我是学生时,经常走着去上学。3.在时间、条件、让步、方式等状语从句中,用一般过去时表示过去将来。③He told me if I finished my work I could leave.他告诉我,如果我完成了工作就可以离开。4.since 引导的时间状语从句中的谓语用一般过去时。④You have changed a lot since we last met.自从上次我们见面以来,你变化很大。5.wish 和 would rather 后的宾语从句中用一般过去时表示与现在事实相反。⑤The little boy wishes he were a superman in the film.这个小男孩希望他是电影中的超人。二、过去进行时1.过去进行时表示在过去某一个时刻或某一段时间内正在进行或持续进行的动作。①We were having a class meeting from 7 pm to 9 pm last night.昨天晚上 7 点到 9 点我们正在开班会。2.与 always, constantly, continually 等连用,具有浓厚的褒贬色彩。②You were always asking some stupid questions at the party last night.昨晚在晚会上你总是问一些...