我真不該那樣.
I shouldn't have done it.
*用"shouldn't have+過去分詞"表示類似責備或斥責的心情,"不該......"、“"是沒......".
Oh, no! I shouldn't have done it. (哦,不!我要是不那樣就好了.)
What did you do? (你干什么了?)
That was a mistake. (那是一個錯誤.)
I blew it. (我失敗了.)
I wish I hadn't done that.
I really screwed up this time. (這次我真的給弄糟了.)
I really messed up. (我給搞糟了.)
I should have known better. (我早該弄清楚一些.)