done是do的过去分词。例句：He has already done his homework.他已经完成作业了。
例句
1、Did you get your article done in time?
你的论文按时完成了吗？
2、The problem is to get it all done in the time available.
问题是要在现有的时间内把它全部完成。
3、This is the way we've always done it.
我们一直是这样干的。
4、I haven't been able to get much work done today.
我今天未能干多少工作。
5、The problem is getting it all done in the time available.
问题是要在现有的时间内把它全部完成。