Verbseoul.Korean verb conjugator
으 irregular
쓰다sseudato write, to use

To say to write, to use politely in the present tense, use 써요 (ssuh-yoh). Below is the full conjugation of 쓰다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
ssuh
써요
ssuh-yoh
씁니다
sseum-nee-dah
Past
썼어
ssuh-ssuh
썼어요
ssuh-ssuh-yoh
썼습니다
ssuh-sseum-nee-dah
Future
쓸 거야
sseul- -guh-yah
쓸 거예요
sseul- -guh-yae-yoh
쓸 겁니다
sseul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
쓰세요
sseu-sae-yoh
Suggestion / Let's Polite (요)
써요
ssuh-yoh
Question Polite (요)
써요?
ssuh-yoh-?
Connective “and” — (고)
쓰고
sseu-goh
Conditional “if” — (면)
쓰면
sseu-myuhn
Noun form — (기)
sseum