forget to do sth 忘记做某事
forget doing sth 忘记做过某事
remember to do sth 记得做某事
remember doing sth 记得做过某事
regret to do sth 遗憾做某事
regret diong sth 后悔做过某事
stop to do sth 停下之前的事做现在的事
They stopped watch TV at 9.30
=They paused at 9.30 in order to watch TV.
stop doing sth 停止做某事
go on to do sth 完成某事后接着做另一件事
go on doing sth 继续做某事
try to do sth 努力/设法做某事
try doing sth 试着做某事,试用
can't help to do sth
can't help doing sth 这个有人已经解释过了
mean to do sth
mean doing sth 你自己说过了