Verbseoul.
하다 verb (adj)

잔인하다 conjugation (janinhada, to be cruel)

To say to be cruel politely in the present tense, use 잔인해요 (chah-neen-hae-yoh) · janinhaeyo. Below is the full conjugation of 잔인하다 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
잔인해
chah-neen-hae
janinhae
잔인해요
chah-neen-hae-yoh
janinhaeyo
잔인합니다
chah-neen-hahm-nee-dah
janinhamnida
Past
잔인했어
chah-neen-hae-ssuh
janinhaesseo
잔인했어요
chah-neen-hae-ssuh-yoh
janinhaesseoyo
잔인했습니다
chah-neen-hae-sseum-nee-dah
janinhaesseumnida
Future
잔인할 거야
chah-neen-hahl guh-yah
janinhal geoya
잔인할 거예요
chah-neen-hahl guh-yae-yoh
janinhal geoyeyo
잔인할 겁니다
chah-neen-hahl guhm-nee-dah
janinhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
잔인하세요
chah-neen-hah-sae-yoh
janinhaseyo
Suggestion / Let's Polite (요)
잔인해요
chah-neen-hae-yoh
janinhaeyo
Question Polite (요)
잔인해요?
chah-neen-hae-yoh-?
janinhaeyo?
Connective "and" — (고)
잔인하고
chah-neen-hah-goh
janinhago
Conditional "if" — (면)
잔인하면
chah-neen-hah-myuhn
janinhamyeon
Progressive (고 있어요)
잔인하고 있어요
chah-neen-hah-goh ee-ssuh-yoh
janinhago isseoyo
Want to (고 싶어요)
잔인하고 싶어요
chah-neen-hah-goh shee-puh-yoh
janinhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
잔인할 수 있어요
chah-neen-hahl soo ee-ssuh-yoh
janinhal su isseoyo
Because / So (아/어서)
잔인해서
chah-neen-hae-suh
janinhaeseo
Noun form — (기)
잔인하기
chah-neen-hah-gee
janinhagi
Noun form — (음)
잔인함
chah-neen-hahm
janinham