"Why should we do something when we've already done it?" But he recognizes that some people have strong feelings about the issue.

VOA: special.2010.04.28

So if in fact I wanted to make sure this was a number, I should have done something like either try and convert it to a number, which of course failed here, or put in a check to say where it is.

因此实际上如果我想确保,这是一个数字的话，我们的课程上的代码,在这里失败了，你或许应该在这里，放一个检查的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

but if you explain it to your friend that you or she should not have or should have done something,

如果你想要向你的朋友解释，或者她应该做某事的时候，

I should have 课堂 - SpeakingMax英语口语达人

"Those guys are legends in South African sport and it is fantastic for me to have done something that they have done, " said Immelman.

BBC: SPORT | Golf | Immelman retains title

Now, one difference between what I have proposed and what my two colleagues have proposed is I have done something that not only stimulates the economy, but creates long-term benefits, investment in green infrastructure, which creates jobs.

CNN: Part 1 of CNN Democratic presidential debate

"I would have helped him, I would have done something for him, " Baty said.

CNN: University shooter's girlfriend: 'I couldn't believe it'