Verbseoul.
하다 verb (adj)

차분하다 conjugation (chabunhada, to be calm, to be composed, to be nonchalant)

To say to be calm, to be composed, to be nonchalant politely in the present tense, use 차분해요 (chah-boon-hae-yoh) · chabunhaeyo. Below is the full conjugation of 차분하다 across the three tenses and three everyday speech levels.

Grammar note (하다 verb (adj)): 하다 adjectives use the same verb 하다 as a suffix to turn descriptive nouns into predicates (행복하다 = to be happy). They conjugate identically to 하다 verbs: the 하 contracts before -아/-어 suffixes to give 해. 행복해요, 행복했어요, 행복합니다. See all 하다 verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
차분해
chah-boon-hae
chabunhae
차분해요
chah-boon-hae-yoh
chabunhaeyo
차분합니다
chah-boon-hahm-nee-dah
chabunhamnida
Past
차분했어
chah-boon-hae-ssuh
chabunhaesseo
차분했어요
chah-boon-hae-ssuh-yoh
chabunhaesseoyo
차분했습니다
chah-boon-hae-sseum-nee-dah
chabunhaesseumnida
Future
차분할 거야
chah-boon-hahl guh-yah
chabunhal geoya
차분할 거예요
chah-boon-hahl guh-yae-yoh
chabunhal geoyeyo
차분할 겁니다
chah-boon-hahl guhm-nee-dah
chabunhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
차분하세요
chah-boon-hah-sae-yoh
chabunhaseyo
Suggestion / Let's Polite (요)
차분해요
chah-boon-hae-yoh
chabunhaeyo
Question Polite (요)
차분해요?
chah-boon-hae-yoh-?
chabunhaeyo?
Connective "and" — (고)
차분하고
chah-boon-hah-goh
chabunhago
Conditional "if" — (면)
차분하면
chah-boon-hah-myuhn
chabunhamyeon
Progressive (고 있어요)
차분하고 있어요
chah-boon-hah-goh ee-ssuh-yoh
chabunhago isseoyo
Want to (고 싶어요)
차분하고 싶어요
chah-boon-hah-goh shee-puh-yoh
chabunhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
차분할 수 있어요
chah-boon-hahl soo ee-ssuh-yoh
chabunhal su isseoyo
Because / So (아/어서)
차분해서
chah-boon-hae-suh
chabunhaeseo
Noun form — (기)
차분하기
chah-boon-hah-gee
chabunhagi
Noun form — (음)
차분함
chah-boon-hahm
chabunham