Verbseoul.
하다 verb (adj)

친절하다 conjugation (chinjeolhada, to be kind, to be cordial)

To say to be kind, to be cordial politely in the present tense, use 친절해요 (cheen-chuhl-hae-yoh) · chinjeolhaeyo. Below is the full conjugation of 친절하다 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
친절해
cheen-chuhl-hae
chinjeolhae
친절해요
cheen-chuhl-hae-yoh
chinjeolhaeyo
친절합니다
cheen-chuhl-hahm-nee-dah
chinjeolhamnida
Past
친절했어
cheen-chuhl-hae-ssuh
chinjeolhaesseo
친절했어요
cheen-chuhl-hae-ssuh-yoh
chinjeolhaesseoyo
친절했습니다
cheen-chuhl-hae-sseum-nee-dah
chinjeolhaesseumnida
Future
친절할 거야
cheen-chuhl-hahl guh-yah
chinjeolhal geoya
친절할 거예요
cheen-chuhl-hahl guh-yae-yoh
chinjeolhal geoyeyo
친절할 겁니다
cheen-chuhl-hahl guhm-nee-dah
chinjeolhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
친절하세요
cheen-chuhl-hah-sae-yoh
chinjeolhaseyo
Suggestion / Let's Polite (요)
친절해요
cheen-chuhl-hae-yoh
chinjeolhaeyo
Question Polite (요)
친절해요?
cheen-chuhl-hae-yoh-?
chinjeolhaeyo?
Connective "and" — (고)
친절하고
cheen-chuhl-hah-goh
chinjeolhago
Conditional "if" — (면)
친절하면
cheen-chuhl-hah-myuhn
chinjeolhamyeon
Progressive (고 있어요)
친절하고 있어요
cheen-chuhl-hah-goh ee-ssuh-yoh
chinjeolhago isseoyo
Want to (고 싶어요)
친절하고 싶어요
cheen-chuhl-hah-goh shee-puh-yoh
chinjeolhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
친절할 수 있어요
cheen-chuhl-hahl soo ee-ssuh-yoh
chinjeolhal su isseoyo
Because / So (아/어서)
친절해서
cheen-chuhl-hae-suh
chinjeolhaeseo
Noun form — (기)
친절하기
cheen-chuhl-hah-gee
chinjeolhagi
Noun form — (음)
친절함
cheen-chuhl-hahm
chinjeolham