Question

can’t help doing sth.和can’t help but do sth能否互相转换

Answer 1

不能
can't help doing sth忍不住做某事
can't help but do sth
没有帮助，只能做某事

————用心为你答题，满意请采纳。

Answer 2

可以的，都是忍不住的意思

Answer 3

不能互相转换，因为他们意思不同。
can't help doing sth意思是忍不住，情不自禁做某事。
can't help but do sth 意思是帮不上忙，只能做某事，不得不做某事。

例句：
can't help doing sth
1、I can't help doing anything for you, not asking for return, only because I love you.
情不自禁地为你做任何事，不求回报，只因为我爱你！
2、In fact, I can't help wondering what someone with your credentials is doing in a place like this, Loyola.
我实在搞不懂想你这样的人怎么会到这里来。
3、I can't help singing English songs.
我忍不住要唱英文歌曲。
4、I believe that you can't help singing our national anthem when you win the first placein the Olympic Games.

我相信当你在奥运会上获得第一名时你会情不自禁地唱起国歌来。

can't help but do sth
1、I strongly believe in not judging people based on where they are from but I can't just help but do so in China.
虽然我始终认为不应该以国家地区来区分人，但是我在中国却不得不这样做。
2、One can't help but wonder: How do skaters spin so fast for so long without getting dizzy?

我们不由的就去想：怎么样才能转的快而不感到眩晕呢？
3、I can't help but have my south of 8 Mile mentality that says that most white people don't do anything without getting paid for it in some way.

我不禁用我8英里南部的思维方式认为在某些方面上多数白人做任何事情都得是不到报酬的。