Verbseoul.
regular

뭉치다 conjugation (mungchida, to crumple, mass)

To say to crumple, mass politely in the present tense, use 뭉쳐요 (moong-chyuh-yoh) · mungchyeoyo. Below is the full conjugation of 뭉치다 across the three tenses and three everyday speech levels.

Grammar note (regular): Regular verbs and adjectives conjugate predictably. Before 어-series suffixes, vowels may contract (가 + 아 → 가, 보 + 아 → 봐), but no consonant in the stem changes. If the final vowel of the stem is ㅏ or ㅗ, use 아; otherwise use 어. Consonant-final stems: 먹 + 어 → 먹어; vowel-final: 가 + 아 → 가.

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
뭉쳐
moong-chyuh
mungchyeo
뭉쳐요
moong-chyuh-yoh
mungchyeoyo
뭉칩니다
moong-cheem-nee-dah
mungchimnida
Past
뭉쳤어
moong-chyuh-ssuh
mungchyeosseo
뭉쳤어요
moong-chyuh-ssuh-yoh
mungchyeosseoyo
뭉쳤습니다
moong-chyuh-sseum-nee-dah
mungchyeosseumnida
Future
뭉칠 거야
moong-cheel guh-yah
mungchil geoya
뭉칠 거예요
moong-cheel guh-yae-yoh
mungchil geoyeyo
뭉칠 겁니다
moong-cheel guhm-nee-dah
mungchil geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
뭉치세요
moong-chee-sae-yoh
mungchiseyo
Suggestion / Let's Polite (요)
뭉쳐요
moong-chyuh-yoh
mungchyeoyo
Question Polite (요)
뭉쳐요?
moong-chyuh-yoh-?
mungchyeoyo?
Connective "and" — (고)
뭉치고
moong-chee-goh
mungchigo
Conditional "if" — (면)
뭉치면
moong-chee-myuhn
mungchimyeon
Progressive (고 있어요)
뭉치고 있어요
moong-chee-goh ee-ssuh-yoh
mungchigo isseoyo
Want to (고 싶어요)
뭉치고 싶어요
moong-chee-goh shee-puh-yoh
mungchigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
뭉칠 수 있어요
moong-cheel soo ee-ssuh-yoh
mungchil su isseoyo
Because / So (아/어서)
뭉쳐서
moong-chyuh-suh
mungchyeoseo
Noun form — (기)
뭉치기
moong-chee-gee
mungchigi
Noun form — (음)
뭉침
moong-cheem
mungchim