can't to是不对的,can't 后面加原形.
be able to 强调某种能力,而can只有“道义”上是否能够去做的意义
例子：Iam not able to touch it我没有能力去碰它【是够不着,还是另有隐情?】
Icannot touch it我不能碰它【似乎是有人规定“我”】
be unable to和can't to有什么区别吗
2个回答
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