cant help doing,cant help but do,have no choice but to do,couldn't do nothing but do这些都怎么理解不要死记,我想知道为什么是这样

cant help doing等于什么?如题 忍不住做某事是can't help doing sth 还是cant't helping doing sth cant help/ stand doing意思快区别,不是意思,打错了 I Cant cant help doing,cant help but do,have no choice but to do,couldn't do nothing but do这些都怎么理解不要死记,我想知道为什么是这样 cant wait和 cant help 后面分别是加不定式还是ing形式? you cant help wondering这里为什么用help啊? Cant Find The Words sorry i cant i cant follow I cant chinese是什么意思 i cant hold any you cant google translate i cant stand cant believe im fool you cant stop i cant live without i cant hear u