中考网整理了关于2021年中考英语复习之过去完成时的结构特点,希望对同学们有所帮助,仅供参考。 过去完成时的结构特点 概念:过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作,即“过去的过去( past-in-the-past )”。 过去完成时 过去时 现在进行时 构成:过去完成时由“助动词 had + 过去分词”构成,其中 had 通用于各种人称。 They had already had breakfast before they arrived at the hotel. She had finished writing the composition by 10 :00 this morning. (责任编辑:admin) |