I wish/If only + Past perfect

我希望/但愿+过去完成时

I wish I had come to your party!

我要是来参加你的聚会就好了!

If only I had driven more carefully.

要是我开车再小心一点就好了。

I should have (not) + Past

I should have (not) +过去分词

I should have worked harder.

我本该更努力学习的。

I shouldn’t have eaten so much.

我本不该吃那么多的

I regret +noun/v.-ing

我很遗憾+名词或动名词

I regret not coming to your party.

我后悔没来参加你的聚会。

I regret eating so much.

我后悔吃了那么多。