1、If only I... 要是...就好了。

2、I was careless.我太粗心大意了。

3、You will be sorry.你会后悔的！

4、It's too late now.现在后悔也晚了。

5、I regret doing that.我后悔我做的事。

6、I regret doing that.我很后悔那样做。

7、I shouldn't have done it.我真不该那样。

8、I was too uptight.我要是再用功点就好了。

9、I shouldn't have done it. 我真不该那样做。

10、I should have known better.我早该弄清楚了。

11、I wish I hadn't done that.我希望我没有做过。

12、I should have known better.我早该弄清楚一些。

13、I know, I went too far.我知道，我做得太过分了。

14、.I shouldn't have said that.我要是不说那话就好了。

15、I wish I wouldn't have said that. 我早该知道了。

16、I regret not studying harder.我后悔没有更努力学习。

17、I should have studied harder.我要是问他一下就好了。

18、I wish I remembered the address.我要是记得地址就好了。

19、It was careless of me to do so.做那种事，我也太不小心了。

20、Oh, no! I shouldn't have done it.哦，不!我要是不那样就好了。

21、I regret that i was angry with my son.我后悔不该对儿子发火。

22、It was too careless of me to make such a decision.我做这样的决定太草率了。

23、It is to be regretted that I forgot to finish the report last night.真可惜我昨晚忘记完成这份报告了。

24、If you had come to my apartment last night, you would not have missed the game.如果你昨晚去了我家的话，你就不会错过了那场比赛。

25、If China had won the game, they would have entered the World Cup Finals. 如果中国队赢了那场球赛的话，他们就能进入世界杯决赛圈了