Verbseoul.
regular

무너지다 conjugation (muneojida, to collapse)

To say to collapse politely in the present tense, use 무너져요 (moo-nuh-chyuh-yoh) · muneojyeoyo. Below is the full conjugation of 무너지다 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
무너져
moo-nuh-chyuh
muneojyeo
무너져요
moo-nuh-chyuh-yoh
muneojyeoyo
무너집니다
moo-nuh-cheem-nee-dah
muneojimnida
Past
무너졌어
moo-nuh-chyuh-ssuh
muneojyeosseo
무너졌어요
moo-nuh-chyuh-ssuh-yoh
muneojyeosseoyo
무너졌습니다
moo-nuh-chyuh-sseum-nee-dah
muneojyeosseumnida
Future
무너질 거야
moo-nuh-cheel guh-yah
muneojil geoya
무너질 거예요
moo-nuh-cheel guh-yae-yoh
muneojil geoyeyo
무너질 겁니다
moo-nuh-cheel guhm-nee-dah
muneojil geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
무너지세요
moo-nuh-chee-sae-yoh
muneojiseyo
Suggestion / Let's Polite (요)
무너져요
moo-nuh-chyuh-yoh
muneojyeoyo
Question Polite (요)
무너져요?
moo-nuh-chyuh-yoh-?
muneojyeoyo?
Connective "and" — (고)
무너지고
moo-nuh-chee-goh
muneojigo
Conditional "if" — (면)
무너지면
moo-nuh-chee-myuhn
muneojimyeon
Progressive (고 있어요)
무너지고 있어요
moo-nuh-chee-goh ee-ssuh-yoh
muneojigo isseoyo
Want to (고 싶어요)
무너지고 싶어요
moo-nuh-chee-goh shee-puh-yoh
muneojigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
무너질 수 있어요
moo-nuh-cheel soo ee-ssuh-yoh
muneojil su isseoyo
Because / So (아/어서)
무너져서
moo-nuh-chyuh-suh
muneojyeoseo
Noun form — (기)
무너지기
moo-nuh-chee-gee
muneojigi
Noun form — (음)
무너짐
moo-nuh-cheem
muneojim