1.stop doing/to do

stop to do停止，中断做某事后去做另一件事。

stop doing停止做某事。

2.forget doing/to do

forget to do忘记要去做某事。(未做)

forget doing忘记做过某事。(已做)

3remember doing/to do

remember to do 记得去做某事 (未做)

remember doing记得做过某事 (已做)

4.regret doing/to do

regret to do 对要做的事遗憾。(未做)

regret doing 对做过的事遗憾、后悔。(已做)

5.cease doing/to do

cease to do 长时间，甚至永远停做某事。

cease doing 短时停止做某事，以后还会接着做。

6.try doing/to do

try to do努力，企图做某事。

try doing 试验，试着做某事。

7.go on doing/to do

go on to do做了一件事后，接着做另一件事。

go on doing 继续做原来做的事。

8.be afraid doing/to do

be afraid to do不敢，胆怯去做某事，是主观上的原因不去做，意为"怕";

be afraid of doing担心出现doing的状况、结果。 doing 是客观上造成的，意为"生怕，恐怕"。

10.be interested doing/to do

interested to do 对做某事感兴趣，想了解某事。

interested in doing 对某种想法感兴趣，doing 通常为想法。

11.mean to doing/to do

mean to do 打算、想

mean doing意味着

12.begin(start) doing/to do

begin / start to do sth

begin / start doing sth.

1)谈及一项长期活动或开始一种习惯时，使用doing.

How old were you when you first started playing the piano?

你几岁时开始弹钢琴?

2)begin, start用进行时时，后面动词用不定式to do

I was beginning to get angry。

我开始生起气来。

3)在attempt, intend, begin, start 后接know, understand, realize这类动词时，常用不定式to do。

I begin to understand the truth。

我开始明白真相。

4)物作主语时

It began to melt.

13.感官动词 + doing/to do

感官动词 see, watch, observe, notice, look at, hear, listen to, smell, taste, feel + do 表示动作的完整性，真实性;+doing 表示动作的连续性，进行性