do的过去式是什么？(do的过去式是什么单词)

过去式：did

过去式(past tense)是英语语法的一种，表示过去某个时间里发生的动作或状态。一般过去式的动词通常用动词的过去式形式来表示，而动词的过去式是在动词原形的基础上变化的。动词的过去式可分为规则动词和不规则动词。

过去分词done；第三人称单数形式does

例句：

I began with their ideas of Japan and what did they know, because I knew that they knew very little.

我先让他们写了对日本的看法,和了解多少，因为我知道他们的知识很有限。

Then, once you've done that, once you have secured the integrity and accuracy of the meaning, Hirsch says, \"Okay, fine.

在你完成那个之后，一旦你确定了意思的真实性和准确性，赫施说，好的，不错。

The passage is also famous because in it Milton does something that he almost never does. Milton has made a mistake.

这篇文章有名也是因为弥尔顿做了一些,他几乎从未做过的事，弥尔顿犯了一个错误。