Verbseoul.
descriptive

푸르다 conjugation (pureuda, to be blue, to be azure)

To say to be blue, to be azure politely in the present tense, use 푸르러요 (poo-reu-ruh-yoh) · pureureoyo. Below is the full conjugation of 푸르다 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
푸르러
poo-reu-ruh
pureureo
푸르러요
poo-reu-ruh-yoh
pureureoyo
푸릅니다
poo-reum-nee-dah
pureumnida
Past
푸르렀어
poo-reu-ruh-ssuh
pureureosseo
푸르렀어요
poo-reu-ruh-ssuh-yoh
pureureosseoyo
푸르렀습니다
poo-reu-ruh-sseum-nee-dah
pureureosseumnida
Future
푸를 거야
poo-reul guh-yah
pureul geoya
푸를 거예요
poo-reul guh-yae-yoh
pureul geoyeyo
푸를 겁니다
poo-reul guhm-nee-dah
pureul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
푸르세요
poo-reu-sae-yoh
pureuseyo
Suggestion / Let's Polite (요)
푸르러요
poo-reu-ruh-yoh
pureureoyo
Question Polite (요)
푸르러요?
poo-reu-ruh-yoh-?
pureureoyo?
Connective "and" — (고)
푸르고
poo-reu-goh
pureugo
Conditional "if" — (면)
푸르면
poo-reu-myuhn
pureumyeon
Progressive (고 있어요)
푸르고 있어요
poo-reu-goh ee-ssuh-yoh
pureugo isseoyo
Want to (고 싶어요)
푸르고 싶어요
poo-reu-goh shee-puh-yoh
pureugo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
푸를 수 있어요
poo-reul soo ee-ssuh-yoh
pureul su isseoyo
Because / So (아/어서)
푸르러서
poo-reu-ruh-suh
pureureoseo
Noun form — (기)
푸르기
poo-reu-gee
pureugi
Noun form — (음)
푸름
poo-reum
pureum