Verbseoul.
descriptive

밝다 conjugation (bakda-2, to be bright, to be brilliant)

To say to be bright, to be brilliant politely in the present tense, use 밝아요 (bahl-ah-yoh) · baayo. Below is the full conjugation of 밝다 across the three tenses and three everyday speech levels.

Grammar note (descriptive): Descriptive verbs (형용사) function like adjectives in Korean and conjugate the same way as regular action verbs. They cannot take the progressive -고 있어요 or imperative forms. 좋다 (to be good) → 좋아요; 크다 (to be big) → 커요 (으-irregular).

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
밝아
bahl-ah
baa
밝아요
bahl-ah-yoh
baayo
밝습니다
bahl-seum-nee-dah
baseumnida
Past
밝았어
bahl-ah-ssuh
baasseo
밝았어요
bahl-ah-ssuh-yoh
baasseoyo
밝았습니다
bahl-ah-sseum-nee-dah
baasseumnida
Future
밝을 거야
bahl-eul guh-yah
baeul geoya
밝을 거예요
bahl-eul guh-yae-yoh
baeul geoyeyo
밝을 겁니다
bahl-eul guhm-nee-dah
baeul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
밝으세요
bahl-eu-sae-yoh
baeuseyo
Suggestion / Let's Polite (요)
밝아요
bahl-ah-yoh
baayo
Question Polite (요)
밝아요?
bahl-ah-yoh-?
baayo?
Connective "and" — (고)
밝고
bahl-goh
bago
Conditional "if" — (면)
밝으면
bahl-eu-myuhn
baeumyeon
Progressive (고 있어요)
밝고 있어요
bahl-goh ee-ssuh-yoh
bago isseoyo
Want to (고 싶어요)
밝고 싶어요
bahl-goh shee-puh-yoh
bago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
밝을 수 있어요
bahl-eul soo ee-ssuh-yoh
baeul su isseoyo
Because / So (아/어서)
밝아서
bahl-ah-suh
baaseo
Noun form — (기)
밝기
bahl-gee
bagi
Noun form — (음)
밝음
bahl-eum
baeum