Verbseoul.
regular

정해지다 conjugation (jeonghaejida, to be decided, to be set)

To say to be decided, to be set politely in the present tense, use 정해져요 (chuhng-hae-chyuh-yoh) · jeonghaejyeoyo. Below is the full conjugation of 정해지다 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
정해져
chuhng-hae-chyuh
jeonghaejyeo
정해져요
chuhng-hae-chyuh-yoh
jeonghaejyeoyo
정해집니다
chuhng-hae-cheem-nee-dah
jeonghaejimnida
Past
정해졌어
chuhng-hae-chyuh-ssuh
jeonghaejyeosseo
정해졌어요
chuhng-hae-chyuh-ssuh-yoh
jeonghaejyeosseoyo
정해졌습니다
chuhng-hae-chyuh-sseum-nee-dah
jeonghaejyeosseumnida
Future
정해질 거야
chuhng-hae-cheel guh-yah
jeonghaejil geoya
정해질 거예요
chuhng-hae-cheel guh-yae-yoh
jeonghaejil geoyeyo
정해질 겁니다
chuhng-hae-cheel guhm-nee-dah
jeonghaejil geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
정해지세요
chuhng-hae-chee-sae-yoh
jeonghaejiseyo
Suggestion / Let's Polite (요)
정해져요
chuhng-hae-chyuh-yoh
jeonghaejyeoyo
Question Polite (요)
정해져요?
chuhng-hae-chyuh-yoh-?
jeonghaejyeoyo?
Connective "and" — (고)
정해지고
chuhng-hae-chee-goh
jeonghaejigo
Conditional "if" — (면)
정해지면
chuhng-hae-chee-myuhn
jeonghaejimyeon
Progressive (고 있어요)
정해지고 있어요
chuhng-hae-chee-goh ee-ssuh-yoh
jeonghaejigo isseoyo
Want to (고 싶어요)
정해지고 싶어요
chuhng-hae-chee-goh shee-puh-yoh
jeonghaejigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
정해질 수 있어요
chuhng-hae-cheel soo ee-ssuh-yoh
jeonghaejil su isseoyo
Because / So (아/어서)
정해져서
chuhng-hae-chyuh-suh
jeonghaejyeoseo
Noun form — (기)
정해지기
chuhng-hae-chee-gee
jeonghaejigi
Noun form — (음)
정해짐
chuhng-hae-cheem
jeonghaejim