Verbseoul.
ㅅ irregular
잣다jatdato spin (make yarn)

To say to spin (make yarn) politely in the present tense, use 자아요 (chah-ah-yoh). Below is the full conjugation of 잣다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
자아
chah-ah
자아요
chah-ah-yoh
잣습니다
chaht-seum-nee-dah
Past
자았어
chah-ah-ssuh
자았어요
chah-ah-ssuh-yoh
자았습니다
chah-ah-sseum-nee-dah
Future
자을 거야
chah-eul- -guh-yah
자을 거예요
chah-eul- -guh-yae-yoh
자을 겁니다
chah-eul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
자으세요
chah-eu-sae-yoh
Suggestion / Let's Polite (요)
자아요
chah-ah-yoh
Question Polite (요)
자아요?
chah-ah-yoh-?
Connective “and” — (고)
잣고
chaht-goh
Conditional “if” — (면)
자으면
chah-eu-myuhn
Noun form — (기)
자음
chah-eum