finish的过去式是什么？

finishvt. 完成；结束；用完

vi. 结束，终止；终结

finish的过去式和过去分词都是finished。

例句：

As soon as he'd finished eating, he excused himself.

他一吃完就借口离开了。

We waited a few minutes outside his office while he finished up his meeting.

我们在他办公室外面等了几分钟，这时他结束了他的会议。