forget doing 忘记做过的事情
forget to do 忘记要去做某事
regret doing 为做过的事后悔
regret to do 为去做某事而后悔
try doing 试着做某事
try to do 努力做某事
mean doing 意味着
mean to do 打算做某事
stop doing 停止正在做的事
begin/start/continue/learn 接动名词和动词不定式没多大差别
like/love/hate/prefer + doing 指一般的倾向,喜欢/讨厌..做某事
like/love/hate/prefer + to do 指某次具体的行为,如like to do 指突然想做某事
stop to do 停下来去做另一件事