Question

can't help to do和can't help doing的区别？

Answer 1

1。can’t help doing sth．和can’t help but do sth 表示“不得不、禁不住做某事”，

We couldn't help laughing when we heard the funny story.

2。can’t help to do sth．表示“不能帮助做某事”，

I can't help (to) wash the dishes because I am busy preparing for the entrance exams.

Answer 2

can't help to do不能帮助做某事
can't help doing情不自禁做某事

Answer 3

cannot help to do sth.的意思是不能帮忙做某事。
可以说help to do sth.
也可以说help do sth .
cannot help doing sth.表示情不自禁地要做某事。