Verbseoul.
하다 verb (adj)

공정하다 conjugation (gongjeonghada, just, fair)

To say just, fair politely in the present tense, use 공정해요 (gohng-chuhng-hae-yoh) · gongjeonghaeyo. Below is the full conjugation of 공정하다 across the three tenses and three everyday speech levels.

Grammar note (하다 verb (adj)): 하다 adjectives use the same verb 하다 as a suffix to turn descriptive nouns into predicates (행복하다 = to be happy). They conjugate identically to 하다 verbs: the 하 contracts before -아/-어 suffixes to give 해. 행복해요, 행복했어요, 행복합니다. See all 하다 verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
공정해
gohng-chuhng-hae
gongjeonghae
공정해요
gohng-chuhng-hae-yoh
gongjeonghaeyo
공정합니다
gohng-chuhng-hahm-nee-dah
gongjeonghamnida
Past
공정했어
gohng-chuhng-hae-ssuh
gongjeonghaesseo
공정했어요
gohng-chuhng-hae-ssuh-yoh
gongjeonghaesseoyo
공정했습니다
gohng-chuhng-hae-sseum-nee-dah
gongjeonghaesseumnida
Future
공정할 거야
gohng-chuhng-hahl guh-yah
gongjeonghal geoya
공정할 거예요
gohng-chuhng-hahl guh-yae-yoh
gongjeonghal geoyeyo
공정할 겁니다
gohng-chuhng-hahl guhm-nee-dah
gongjeonghal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
공정하세요
gohng-chuhng-hah-sae-yoh
gongjeonghaseyo
Suggestion / Let's Polite (요)
공정해요
gohng-chuhng-hae-yoh
gongjeonghaeyo
Question Polite (요)
공정해요?
gohng-chuhng-hae-yoh-?
gongjeonghaeyo?
Connective "and" — (고)
공정하고
gohng-chuhng-hah-goh
gongjeonghago
Conditional "if" — (면)
공정하면
gohng-chuhng-hah-myuhn
gongjeonghamyeon
Progressive (고 있어요)
공정하고 있어요
gohng-chuhng-hah-goh ee-ssuh-yoh
gongjeonghago isseoyo
Want to (고 싶어요)
공정하고 싶어요
gohng-chuhng-hah-goh shee-puh-yoh
gongjeonghago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
공정할 수 있어요
gohng-chuhng-hahl soo ee-ssuh-yoh
gongjeonghal su isseoyo
Because / So (아/어서)
공정해서
gohng-chuhng-hae-suh
gongjeonghaeseo
Noun form — (기)
공정하기
gohng-chuhng-hah-gee
gongjeonghagi
Noun form — (음)
공정함
gohng-chuhng-hahm
gongjeongham