Expression indicating that an action or situation is impossible
When to use
Describing impossible situations, Expressing lack of ability, Denying permission or possibility
The nuance
Attach -(으)ㄹ 수 없어요 to the verb stem to mean 'cannot do ~' or 'it is impossible to ~'. Use -을 수 없어요 if the stem ends with a consonant, and -ㄹ 수 없어요 if it ends with a vowel. Example: 가다 → 갈 수 없어요, 먹다 → 먹을 수 없어요.
