REGRET

我本可以早点起床赶上火车的。

I ___could've woken up earlier to catch the train.

你本可以告诉我你会迟到的。

You ___could've told me you would be late.

她本可以多花点时间陪家人，而不是每晚都加班到很晚。

She ___could ___have spent more time with her family instead of working late every night.

我们本可以坐早一班航班，这样就省得等这么久了。

We ___could ___have taken the earlier flight and avoided this long delay.

他本可以道歉的，却选择了沉默。

He ___could ___have apologized, but he chose to stay silent instead.