Verbseoul.
regular

전개되다 conjugation (jeongaedoeda, to unfold, to spread out, to develop)

To say to unfold, to spread out, to develop politely in the present tense, use 전개돼요 (chuhn-gae-dwae-yoh) · jeongaedwaeyo. Below is the full conjugation of 전개되다 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
전개돼
chuhn-gae-dwae
jeongaedwae
전개돼요
chuhn-gae-dwae-yoh
jeongaedwaeyo
전개됩니다
chuhn-gae-dwaem-nee-dah
jeongaedoemnida
Past
전개됐어
chuhn-gae-dwae-ssuh
jeongaedwaesseo
전개됐어요
chuhn-gae-dwae-ssuh-yoh
jeongaedwaesseoyo
전개됐습니다
chuhn-gae-dwae-sseum-nee-dah
jeongaedwaesseumnida
Future
전개될 거야
chuhn-gae-dwael guh-yah
jeongaedoel geoya
전개될 거예요
chuhn-gae-dwael guh-yae-yoh
jeongaedoel geoyeyo
전개될 겁니다
chuhn-gae-dwael guhm-nee-dah
jeongaedoel geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
전개되세요
chuhn-gae-dwae-sae-yoh
jeongaedoeseyo
Suggestion / Let's Polite (요)
전개돼요
chuhn-gae-dwae-yoh
jeongaedwaeyo
Question Polite (요)
전개돼요?
chuhn-gae-dwae-yoh-?
jeongaedwaeyo?
Connective "and" — (고)
전개되고
chuhn-gae-dwae-goh
jeongaedoego
Conditional "if" — (면)
전개되면
chuhn-gae-dwae-myuhn
jeongaedoemyeon
Progressive (고 있어요)
전개되고 있어요
chuhn-gae-dwae-goh ee-ssuh-yoh
jeongaedoego isseoyo
Want to (고 싶어요)
전개되고 싶어요
chuhn-gae-dwae-goh shee-puh-yoh
jeongaedoego sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
전개될 수 있어요
chuhn-gae-dwael soo ee-ssuh-yoh
jeongaedoel su isseoyo
Because / So (아/어서)
전개돼서
chuhn-gae-dwae-suh
jeongaedwaeseo
Noun form — (기)
전개되기
chuhn-gae-dwae-gee
jeongaedoegi
Noun form — (음)
전개됨
chuhn-gae-dwaem
jeongaedoem