be able to造句现在-将来-过去 三个时态都要要附中文翻译

问题描述:

be able to造句
现在-将来-过去 三个时态都要
要附中文翻译

If you keep finishing your honmework by this way,you will not be able to pass your exams.
如果你一直用这样的方式来完成作业(说的就是你),你将难以在考试中及格~
Jokes are able to make people happy.
笑话能让人快乐~
I was able to finish 100M in 12 seconds.
我以前能在12秒内跑完100米