beginner · freeInteractive lesson
잔 vs 개
Try it freeContrast quizPick the right form in a mini quiz.Open →Explanation
잔 counts cups/glasses: 커피 한 잔.
개 is a general object counter: 사과 세 개: not the default for coffee orders.
Native numbers change before counters: 하나 → 한, 둘 → 두, 셋 → 세.
Mistake: 커피 한 개 주세요 in a café (use 잔).
Level: beginner. Read both sides of the contrast, say the examples out loud, then write one correct and one incorrect sentence and fix it.
Cross-link: open the related grammar or tools page the same day so the fix sticks in your study graph.
Examples
아메리카노 한 잔 주세요.
One Americano, please.
물 두 잔 주세요.
Two glasses of water, please.
Common mistakes
- Translating the English pair word-for-word without checking which Korean form carries the real distinction.
- Treating the two forms as free synonyms after memorizing only one example.
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