The man must have done something right, more right than all jumpers before.(這個人一定是做了些很對的事，比所有以前跳高的做得更對。)

And though you could have done something about it, you haven't.(盡管你本可以做一些事情，但是你卻沒有。)

“I do something for my people and my country,” I said. “You are young and active. What have you done for your people and your country?”(“我為自己的人民和國家做了一點事”，我說，“你們年輕有活力，你們為人民和國家做了什么呢”？)

He must have done something right, however.(然而，他也肯定做過一些正確的事。)

You must have done something to her.(你一定有跟她做什么事。)

It's something that not many people can do and you should be very proud of what you have done.(并不是很多人都能干這行，你們應該為自己取得的成績感到驕傲。)

I believe someone did something to me that they shouldn't have done.(我相信有人對我做了不該做的事情。)

I have done something I can never forgive myself for.(我做了我自己不可原諒自己的事情。)

China must have done something supremely right to produce the economic miracle we observe.(中國一定是做了非常對的事才產生了我們見到的經濟奇跡。)

If they have never done something before, they are eager to test the waters.(如果他們以前從未做過某事，他們會急于試水。)