1、·过去完成时的谓语动词构成I/ we/ you/ they hadworkedhe/ she/ it hadworked·过去完成时的用法(1)表示过去某一时刻之前已经完成的动作,常与由by,before引导的时间状语连用。We had learned 5000 words by the end of last month.到上个月底为止我已经学了五千个单词。I had finished the composition before supper.晚饭前我就已经把作文写完了。·过去完成时的用法(2)表示过去某一动作之前已经完成的动作,常与由when,before等连词引导的时间状语从
2、句连用。When I woke up it had already stopped raining.我醒来的时候雨就已经停了。I hadn't learned any English before I came here.我来这儿之前没学过英语。常用于引导这类状语从句的连词有:when当...的时候,as soon as一...就,before在...之前,after在...之后,until直到,等。·过去完成时的用法(3)用于宾语从句或间接引语中I wondered who had taken the umbrella without permission.我想知道谁不经允许就把雨
3、伞拿去。He told me that he had passed the exam.他告诉我他已通过考试。·过去完成时的用法(4)某些动词的过去完成时表示一个打算要做却没有做成的事。I had intended to come over to see you last night, but someone called and I couldn't get away.昨晚我本打算来看你,但有人来找,脱不开身。We had hoped to catch the early bus, but found it was gone.我们本希望搭早班车,却发现车已开了。这类动词有:inten
4、d打算,hope希望,plan计划,mean预定,want想要,think想要,等。·过去完成时的用法(5)用于表示与过去事实相反的虚拟条件从句中If you had come yesterday, you would have met him.如果你昨天来的话,你就已经见到他的面了。She would have come if she hadn’t been so busy.要不是这么忙的话,她就已经来了。