Verbseoul.
descriptive

붉다 conjugation (bukda, to be red)

To say to be red politely in the present tense, use 붉어요 (bool-uh-yoh) · bueoyo. Below is the full conjugation of 붉다 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
붉어
bool-uh
bueo
붉어요
bool-uh-yoh
bueoyo
붉습니다
bool-seum-nee-dah
buseumnida
Past
붉었어
bool-uh-ssuh
bueosseo
붉었어요
bool-uh-ssuh-yoh
bueosseoyo
붉었습니다
bool-uh-sseum-nee-dah
bueosseumnida
Future
붉을 거야
bool-eul guh-yah
bueul geoya
붉을 거예요
bool-eul guh-yae-yoh
bueul geoyeyo
붉을 겁니다
bool-eul guhm-nee-dah
bueul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
붉으세요
bool-eu-sae-yoh
bueuseyo
Suggestion / Let's Polite (요)
붉어요
bool-uh-yoh
bueoyo
Question Polite (요)
붉어요?
bool-uh-yoh-?
bueoyo?
Connective "and" — (고)
붉고
bool-goh
bugo
Conditional "if" — (면)
붉으면
bool-eu-myuhn
bueumyeon
Progressive (고 있어요)
붉고 있어요
bool-goh ee-ssuh-yoh
bugo isseoyo
Want to (고 싶어요)
붉고 싶어요
bool-goh shee-puh-yoh
bugo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
붉을 수 있어요
bool-eul soo ee-ssuh-yoh
bueul su isseoyo
Because / So (아/어서)
붉어서
bool-uh-suh
bueoseo
Noun form — (기)
붉기
bool-gee
bugi
Noun form — (음)
붉음
bool-eum
bueum