小学英语语法：过去完成时的用法
小学英语语法：过去完成时的用法
导语：现代诗歌大全过去完成时(past perfect tense)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或状态，为八大时态之一。下面cnfla小编为您收集整理了关于过去完成时的用法，希望对您有帮助
过去完成时用法：
康德判断力批判在过去的时间里，两个动作中，发生在前的哪个动作要用过去完成时。
过去完成时的基本结构：
had+过去分词渺茫
After she had finished her homework, she went shopping.
They had sold the car before I asked the price.
The train had left before I arrived at the station.
爱情心理测试After/before引导的时间状语从句放在句首要在句子后面加逗号，如果放在主句后则不用加。
变疑问句将助动词移到句首
Had she finished her homework?我读懂了幸福
披星戴月是什么意思变否定句在助动词后面加not
She hadn't finished her homework.
肯定回答及否定回答
Yes, she had. / No, she hadn't.
特殊疑问句
What had she done?
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