Learn more about this word
을 수 없다
It is the negative twin of 을 수 있다 and follows the same stem rule, giving 갈 수 없어요 and 열 수 없어요. Use 못 when a person is unable, and this pattern when the situation itself makes the action impossible.
Examples in context
오늘은 시간이 없어서 갈 수 없어요
I have no time today so I cannot go
이 문은 열 수 없어요
This door cannot be opened
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