发布时间 : 星期五 文章英语八种时态表格总结[1]更新完毕开始阅读
助动词 过去完成时 had + p.p （过去分词） 陈述句：He said he had told Davy. They told us they had finished the work. He left the office after he had called Davy. 否定句: 1. by+过去的时间，如：by last week, She hadn’t had dinner before she went out. 动作发生在过去的过by the end of last year等 一般疑问句: 去，“过去的过去”。 2. 表“过去某动作或时间以前”的时间Had she learnt English before she moved here? 状语。 特殊疑问句:How many English words had he learnt by the end of last year? 根据上下文（语境）来判断使用过去完成时，如： I met Wang Tao in the street yesterday. We hadn't seen each other since he went to Beijing.