Verbseoul.
하다 verb (adj)

착하다 conjugation (chakhada, to be good-hearted, to be kind, to be nice)

To say to be good-hearted, to be kind, to be nice politely in the present tense, use 착해요 (chah-kae-yoh) · chakaeyo. Below is the full conjugation of 착하다 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
착해
chah-kae
chakae
착해요
chah-kae-yoh
chakaeyo
착합니다
chah-kahm-nee-dah
chakamnida
Past
착했어
chah-kae-ssuh
chakaesseo
착했어요
chah-kae-ssuh-yoh
chakaesseoyo
착했습니다
chah-kae-sseum-nee-dah
chakaesseumnida
Future
착할 거야
chah-kahl guh-yah
chakal geoya
착할 거예요
chah-kahl guh-yae-yoh
chakal geoyeyo
착할 겁니다
chah-kahl guhm-nee-dah
chakal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
착하세요
chah-kah-sae-yoh
chakaseyo
Suggestion / Let's Polite (요)
착해요
chah-kae-yoh
chakaeyo
Question Polite (요)
착해요?
chah-kae-yoh-?
chakaeyo?
Connective "and" — (고)
착하고
chah-kah-goh
chakago
Conditional "if" — (면)
착하면
chah-kah-myuhn
chakamyeon
Progressive (고 있어요)
착하고 있어요
chah-kah-goh ee-ssuh-yoh
chakago isseoyo
Want to (고 싶어요)
착하고 싶어요
chah-kah-goh shee-puh-yoh
chakago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
착할 수 있어요
chah-kahl soo ee-ssuh-yoh
chakal su isseoyo
Because / So (아/어서)
착해서
chah-kae-suh
chakaeseo
Noun form — (기)
착하기
chah-kah-gee
chakagi
Noun form — (음)
착함
chah-kahm
chakam