我后悔 那天 ，没一走了之 、用英语怎么说 ？

比较口语话是哪个？

I regret not having gone away that day.

就这个最口语化,

用从句的形式不大口语化

I regreted that I didn't go away that day .

I am regret that I didn't go away that day.

I regret that I did not walk away that day.

我后悔的I regret 不用跟am 作为谓语