Verbseoul.
descriptive
푸르다pureudato be blue, to be azure

To say to be blue, to be azure politely in the present tense, use 푸르러요 (poo-reu-ruh-yoh). Below is the full conjugation of 푸르다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
푸르러
poo-reu-ruh
푸르러요
poo-reu-ruh-yoh
푸릅니다
poo-reum-nee-dah
Past
푸르렀어
poo-reu-ruh-ssuh
푸르렀어요
poo-reu-ruh-ssuh-yoh
푸르렀습니다
poo-reu-ruh-sseum-nee-dah
Future
푸를 거야
poo-reul- -guh-yah
푸를 거예요
poo-reul- -guh-yae-yoh
푸를 겁니다
poo-reul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
푸르세요
poo-reu-sae-yoh
Suggestion / Let's Polite (요)
푸르러요
poo-reu-ruh-yoh
Question Polite (요)
푸르러요?
poo-reu-ruh-yoh-?
Connective “and” — (고)
푸르고
poo-reu-goh
Conditional “if” — (면)
푸르면
poo-reu-myuhn
Noun form — (기)
푸름
poo-reum