区别如下：
1、can’t help to do sth 不能帮助做某事：
He couldn’t help to wash dishes.
他不能帮忙洗碗。
2、can’t help doing sth 禁不住做某事：
I can’t help feeling that there has been a mistake.
我不由自主地觉得什么地方出错了。
扩展资料：
接to do和-ing形式意思不同的动词总结：
1、remember
remember to do sth 记住要做某事：
Remember to turn off the light before you leave.
走前别忘了关灯。
remember doing sth 记住曾做过某事：
I remember meeting her at a party once.
我记得曾在一次聚会上见过她。
2、forget
forget to do sth 忘记要做某事：
Teenagers live very busy lives and often forget to think about their diets and exercise.
青少年过着繁忙的生活，常常不注意他们的饮食和锻炼。 译林①–3
forget doing sth 忘记曾做过某事：
I shall never forget watching the sunrise over the sea — it was unforgettable!
我永远不会忘记观看海上日出的情景 —— 那一幕真是令人难忘！
3、regret
regret to do sth 遗憾要做某事：
I regret to tell that you didn’t pass the examination.
很遗憾地通知你，你没有通过考试。
regret doing sth 后悔做过某事：
He did not regret saying what he did but felt that he could have expressed it differently.
他并不后悔说出自己做了什么，只是觉得他本来可以换一种表达方式。 2009 江苏
4、try
try to do sth 努力做某事：
Try not to become a man of success but rather try to become a man of value.
不要为成功而努力，而要为做一个有价值的人而努力。 —— 爱因斯坦
try doing sth 尝试做某事：
John isn’t here. Try phoning his home number.
约翰不在这里，试试打他家里的电话。
5、mean
mean to do sth 打算做某事：
I’ve been meaning to ask you if you want to come for a meal next week.
我一直想要问你，下个星期你来不来吃顿饭。
mean doing sth 意味着做某事：
Having a well-paid job does not mean giving up your interests.
拥有高薪的工作并不意味着要放弃你的爱好。
6、go on
go on to do sth 做完某事后接着做另一事：
After climbing the Great Wall, they went on to visit the Summer Palace.
爬完长城后，他们接着去参观了颐和园。
go on doing sth 继续做一直在做的事：
In spite of the rain, they went on playing tennis.
尽管下雨了，他们还是继续打网球。
参考资料：