had done是什么意思，had done的意思翻译、用法、同义词、例句
常用词典
过去完成时
例句
Paul was unconcerned about what he had done.
保罗对自己所做过的事情并不在意。
He felt he had atoned for what he had done to his son.
他觉得他已弥补曾对儿子所做的错事。
A period spent working abroad had done nothing to mellow him.
他在海外工作了一段时间，却没有变得老练。
He was an experienced parachutist who had done over 150 jumps.
他是个经验丰富的跳伞者，已经跳过150多次了。
He said he had done nothing wrong to merit a criminal investigation.
他说他没有做错任何事，不应该受到刑事调查。
网络扩展资料
had done 是一个过去完成时态，表示在过去某个时间点之前已经完成的动作或状态。通常与 before 或 by the time 连用。
例句
- I had finished my homework before I went to bed. (我睡觉前已经完成了作业。)
- By the time he arrived, we had already eaten. (他到达时，我们已经吃过了。)
用法
在过去完成时态中，had 是助动词，done 是主动词的过去分词形式。
构成：主语 had 过去分词
解释
had done 表示在过去某个时间点之前已经完成的动作或状态。
与过去时态的区别：
- 过去时态描述过去某个时间点的事件，而过去完成时态描述在那个时间点之前已经完成的动作或状态。
近义词
过去完成时态还可以用以下结构表示：
- had been 现在分词
例如：I had been studying for 3 hours before I took a break. (我休息前已经学习了3个小时。)
反义词
过去完成时态的反义词是过去未完成时态：
- had not 过去分词
例如：I had not finished my homework by the time my friends came. (我的朋友们来之前，我还没有完成作业。)