Question

can’t help to do和can’t help doing的区别是什么

Answer 1

　　区别
　　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.
　　help
　　[英][help][美][hɛlp]
　　vt.& vi.
　　帮助; 有助于， 有利于;
　　vt.
　　治疗; 避免; 招待（客人）; 给…盛（饭、菜）;
　　n.
　　帮助; 助手; 补救办法; 有用;
　　vi.
　　（在餐桌旁）招待，侍应，作仆人（或店员、服务员等）;
　　int.
　　[呼救语]救命！;
　　第三人称单数：helps
　　现在进行时：helping
　　过去式：helped
　　过去分词：helped
　　相关单词：HELPHelpHeLp

Answer 2

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 3

can’t help to do不能帮助做......
can’t help doing 情不自禁地做......，忍不住做......