help （to） do sth.幫助做某事.
can't help doing sth.情不自禁做某事.
2.need to do sth .其中的need做實(shí)意動(dòng)詞.
need doing sth.這是個(gè)是被動(dòng)語態(tài)形式.
3.like to do sth這是偶爾性的動(dòng)作.
like doing sth這是經(jīng)常性的動(dòng)作.
4.keep不能,
只有keep doing sth.保持處于某種狀態(tài),或繼續(xù)做某事.
5.stop to do sth停下來做某事
stop doing sth停止做某事
6.go on to do sth繼續(xù)做某事（不是同一件事）
go on doing sth繼續(xù)做某事（同一件事）