but是转折连词,正规的书面语当中,but左右要对称 can 后面要接动词原形 你说的can't...but并不是固定用法,完全可以分开说的.也就是说,并不像one...another;so...that;too...to这种常用句式…… 所以需要分开说,如果but后面接了to do,but前面必然要有to do出现 如果某些情况下非要把can't加在前面了...
can't but do 不得不 :have to do sth. eg,He can't but stop his work.他不得不停止工作. can't help but to do = can't help doing 禁不住:unable to change one's behaviour or feelings eg.We can't help but to laugh at him.= We can't help laughing at him.我们禁不住嘲笑起他...
1.can't help doing 表示“忍不住做。。。” eg. I can't help laughing. (在看周星驰电影的时候)我忍不住大笑。 2.can't but do 表示“别无选择 ,只能做 。。。” eg. I can't but let her go! (她都和别人好了,还留着她干嘛)我只能让...
1）can't but do sth 不能（做其他的）只能做这个, 有点have to的意思 简单来说：不得不做某事，只能做某事 I cannot but study for this exam—it counts for half of our grade! 我不得不为这次考试学习——它占我们成绩的一半! We can't but intervene here, before you throw your life away ...
一、不能不用的基本用法 "cannot but"通常以否定形式出现,即"cannot not"或"can't not",后面接动词原形。它的基本结构为:"cannot but" + 动词原形。例如: 1. 他的表演总是令人难以忘怀,我们不能不感到震撼。 His performance was so unforgettable that we couldn't but be amazed. 2. 这份工作太吸引人...
它们的缩写是can't一、cannot …too… "不可能把某事做过头;决不会…太",与can never…too同义.e.g. One cannot be too much careful. "越小心越好."二、cannot but + 动词原形,cannot help but + 动词原形,cannot help + 动名词,这三个短语在意义上基本相同,都表示"禁不住,不由得,不得不,不能不...
解析 前者表示不得不做某事,相当于have to do 和must do的意思. 后者是情不自禁的做某事 分析总结。 前者表示不得不做某事相当于havetodo和mustdo的意思结果一 题目 can`t but do sth ,can`t help but do sth 答案 前者表示不得不做某事,相当于have to do 和must do的意思.后者是情不自禁的做某事...
你说的can't...but并不是固定用法，完全可以分开说的。也就是说，并不像one...another;so...that;too...to这种常用句式……所以需要分开说，如果but后面接了to do,but前面必然要有to do出现 如果某些情况下非要把can't加在前面了，那can't后面必将紧接动词原形出现 比如 it can't be ...
can't but (不得不)后面加do，其实是can't but后面省略了to，所以实际上是can't but （to） do sth.