did没有过去式，do的过去式did，过去分词done。例句：I did it to please my parents.我这么做是要让父母高兴。
双语例句
1、Any reasonable person would have done exactly as you did.
任何有头脑的人都会完全照你那样去做的。
2、It was one of the hardest things I ever did.
这是我做过的最难的事情之一。
3、What in the world did they think they were doing?
他们到底认为自己在做什么？
4、What time did you get here?
你什么时候到达这儿的？
5、Did you get your article done in time?
你的论文按时完成了吗？