Verbseoul.Korean verb conjugator
으 irregular (adj)
크다keudato be big

To say to be big politely in the present tense, use 커요 (kuh-yoh). Below is the full conjugation of 크다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
kuh
커요
kuh-yoh
큽니다
keum-nee-dah
Past
컸어
kuh-ssuh
컸어요
kuh-ssuh-yoh
컸습니다
kuh-sseum-nee-dah
Future
클 거야
keul- -guh-yah
클 거예요
keul- -guh-yae-yoh
클 겁니다
keul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
크세요
keu-sae-yoh
Suggestion / Let's Polite (요)
커요
kuh-yoh
Question Polite (요)
커요?
kuh-yoh-?
Connective “and” — (고)
크고
keu-goh
Conditional “if” — (면)
크면
keu-myuhn
Noun form — (기)
keum