Verbseoul.
descriptive

작다 conjugation (jakda, to be small)

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

Grammar note (descriptive): Descriptive verbs (형용사) function like adjectives in Korean and conjugate the same way as regular action verbs. They cannot take the progressive -고 있어요 or imperative forms. 좋다 (to be good) → 좋아요; 크다 (to be big) → 커요 (으-irregular).

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
작아
chah-gah
jaga
작아요
chah-gah-yoh
jagayo
작습니다
chahg-sseum-nee-dah
jaksseumnida
Past
작았어
chah-gah-ssuh
jagasseo
작았어요
chah-gah-ssuh-yoh
jagasseoyo
작았습니다
chah-gah-sseum-nee-dah
jagasseumnida
Future
작을 거야
chah-geul guh-yah
jageul geoya
작을 거예요
chah-geul guh-yae-yoh
jageul geoyeyo
작을 겁니다
chah-geul guhm-nee-dah
jageul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
작으세요
chah-geu-sae-yoh
jageuseyo
Suggestion / Let's Polite (요)
작아요
chah-gah-yoh
jagayo
Question Polite (요)
작아요?
chah-gah-yoh-?
jagayo?
Connective "and" — (고)
작고
chahg-ggoh
jakkko
Conditional "if" — (면)
작으면
chah-geu-myuhn
jageumyeon
Progressive (고 있어요)
작고 있어요
chahg-ggoh ee-ssuh-yoh
jakkko isseoyo
Want to (고 싶어요)
작고 싶어요
chahg-ggoh shee-puh-yoh
jakkko sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
작을 수 있어요
chah-geul soo ee-ssuh-yoh
jageul su isseoyo
Because / So (아/어서)
작아서
chah-gah-suh
jagaseo
Noun form — (기)
작기
chahg-ggee
jakkki
Noun form — (음)
작음
chah-geum
jageum