elementary · freeInteractive lesson
ㅂ 불규칙
Try it freeComplete examples with ㅂ 불규칙Apply the formation rule before moving into the related grammar path.Open →Explanation
Many ㅂ stems become 우 before vowel endings: 춥다 → 추워요.
Exceptions exist (좁다 often regular in some forms. Check frequency lists).
High-frequency: 춥다, 덥다, 어렵다, 쉽다, 돕다 (돕다 has special forms).
Weather and difficulty vocabulary depend on this irregular.
Level: elementary. Read the pattern, say each example out loud, then write two new sentences of your own before moving on.
After you can produce the form, open related Chamelingo pages (vocabulary, conjugator, particles) so the pattern connects to words you actually study.
Examples
오늘 정말 추워요.
It’s really cold today.
문제가 어려워요.
The problem is hard.
Common mistakes
- Do not translate English word-for-word into “ㅂ 불규칙”: match Korean order and speech level.
- Do not treat near-miss patterns as free synonyms of “ㅂ 불규칙” without checking meaning and register.
How to practice
- Register: learn the polite 요 form first unless this page is specifically about formal 습니다 style.
- Production tip: use the pattern in a short dialogue (question + answer) the same day you study it.
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