【资料图】
过去完成时(The Past Perfect Tense）：过去完成时表示过去某一时间之前完成的动作或发生的情况，句子谓语形式由had+动词的过去分词构成，通常表述为“过去的过去”。在不同的句子结构中有相应体现，也可跟有一定的时间状语，如by,before等介词或连词。
1. 过去完成时的结构：
1.1 肯定句：主语+had+done+others
A. I had arrived.我已经到了。
B. He had sent the letter.他已经寄了这封信。
1.2 否定句：主语+had+not+done+others
A. However,Her father had not brought her birthday presents.然而，她的父亲没有给她买生日礼物。
1.3 疑问句：had+主语+done+others
肯定回答：YES,主语+had/否定回答：NO,主语+ hadn’t
A. Had Lisa gone to costume ball ?丽莎已经去
化妆舞会了吗？
Yes,she had.是的，她去了。
No,she hadn’t.没有，她没去。
1.4 特殊疑问句：特殊疑问词+had+主语+done+others
A. Why had The Castle become a memory of generation?为什么电影城堡已经成为了一代的记忆？
1.5 被动语态：主语+had（not）been+done+others
A. At the end of last year,another magic design had been completed.在去年低，另一个神奇的设计已经完成。
B. There was still doubtful that why the film had not been chased by public.对于这部电影为什么没有被大众所追捧依然存在些疑惑。
2. 过去完成时的用法
2.1 在宾语从句中的运用：
A. To my surprise,Josh told me that he had engaged.令我惊讶的是，乔希告诉我他已经订婚了。
B. Lizzy asked John what the professor had said in class.在课上，利兹问约翰，教授说了什么。（这里“said”的动作在“ask”之前）
2.2 在定语从句中的运用:
A. Yesterday, I helped an old man who had lost her way.昨天，我帮助了一个已经迷路的老人。（who引导的定语从句）
2.3 在以主语+had done, before/by+过去时间状语词组/从句中的运用：
A.Mr.Wanghad attended the conference and delivered a speech before he visited Yorkshire.
【资料图】
