英语时态-过去完成时ppt.ppt

The Past Perfect Tense,过去完成时态,授课人：李鑫悦,概念：表示发生在过去一个动作之前已经发生或完成了的动作。,过去的过去,1.The film had begun when we got to the cinema. 当我到达电影院的时候，电影已经开始了。 2.Before he arrived, the train had left. 他到达之前，火车已经离开了。 3.By six oclock yesterday evening, I had finished my work. 到昨天晚上六点，我已经完成了我的工作,结构：助动词 had + p.p.(过去分词),Eg:,时 间 轴,future,now,future,now,future,now,future,now,A B,A B,A B,past,过去的过去,future,past,now,future,past,future,past,6:00 7:00 现在,By the time I got up, my sister had already washed all the clothes.,有两个动作，都发生在过去， 先后发生， 先发生的用过完，后发生的用过去。,口诀：,By the end of last term, they _(learn) 500 English words.,和 by + 过去时间点连用, 如： by the time, by then, by last year, by the end of last year/month, by five oclock yesterday evening,过去完成时态的标志：,2. 和before + 过去时间点连用,We _(arrive) the station before ten oclock.,had learned,had arrived,3. 和up till/until + 过去时间点连用，如：up till then, up until last night ,Li Lei _(wash) the dishes up till then.,had washed,4. 和when, before, after, as soon as, until/till等引导的状语 从句连用或用于从句中,Last night, as soon as I _ (finish) my work, I went to sleep.,had finished,谢 谢,