Verbseoul.
descriptive
작다jakdato be small

To say to be small politely in the present tense, use 작아요 (chah-gah-yoh). Below is the full conjugation of 작다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
작아
chah-gah
작아요
chah-gah-yoh
작습니다
chahg-sseum-nee-dah
Past
작았어
chah-gah-ssuh
작았어요
chah-gah-ssuh-yoh
작았습니다
chah-gah-sseum-nee-dah
Future
작을 거야
chah-geul- -guh-yah
작을 거예요
chah-geul- -guh-yae-yoh
작을 겁니다
chah-geul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
작으세요
chah-geu-sae-yoh
Suggestion / Let's Polite (요)
작아요
chah-gah-yoh
Question Polite (요)
작아요?
chah-gah-yoh-?
Connective “and” — (고)
작고
chahg-ggoh
Conditional “if” — (면)
작으면
chah-geu-myuhn
Noun form — (기)
작음
chah-geum