过去完成时态 1)过去完成时态的构成: 肯定式:had + 动词的过去分词 否定式:hadn't + 动词的过去分词 疑问式:Had … + 动词的过去分词 简略回答: Yes, 主 + have/has had
No, 主 + had 现在完成时的用法 过去完成时的用法: 1、表示在过去某一时间或动作之前已经发生或完成的动作
他表示的时间是"过去 的过去 "常与 by last year, by the time of yesterday,等连用
如: She said she had seen the film 4 times
When Mr Li got to the classroom, all the students had begun reading
By the time they arrived, the bus had left
2、表示 从过去某一时间开始一直延续到过去另一时间的动作或状态
常与 for (后跟段时间)或 since (后跟点时间)等连用
如: She had worked in this school since it opened 25 years ago
例题解析:举一反三,学的更轻松
He ______ in Shanghai University for four years before he ______ Beijing
studied, had gone B
had studied, went C
has studied, goes D
had studied, had gone 解析:"他去北京之前在上大学学习了 4 年 "
在上海学习的动作发生在去北京之前,因此第一个空应用过去完成时
Mary said it was at least five year