Verbseoul.
하다 verb (adj)

난치하다 conjugation (nanchihada, to be intractable)

To say to be intractable politely in the present tense, use 난치해요 (nahn-chee-hae-yoh) · nanchihaeyo. Below is the full conjugation of 난치하다 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
난치해
nahn-chee-hae
nanchihae
난치해요
nahn-chee-hae-yoh
nanchihaeyo
난치합니다
nahn-chee-hahm-nee-dah
nanchihamnida
Past
난치했어
nahn-chee-hae-ssuh
nanchihaesseo
난치했어요
nahn-chee-hae-ssuh-yoh
nanchihaesseoyo
난치했습니다
nahn-chee-hae-sseum-nee-dah
nanchihaesseumnida
Future
난치할 거야
nahn-chee-hahl guh-yah
nanchihal geoya
난치할 거예요
nahn-chee-hahl guh-yae-yoh
nanchihal geoyeyo
난치할 겁니다
nahn-chee-hahl guhm-nee-dah
nanchihal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
난치하세요
nahn-chee-hah-sae-yoh
nanchihaseyo
Suggestion / Let's Polite (요)
난치해요
nahn-chee-hae-yoh
nanchihaeyo
Question Polite (요)
난치해요?
nahn-chee-hae-yoh-?
nanchihaeyo?
Connective "and" — (고)
난치하고
nahn-chee-hah-goh
nanchihago
Conditional "if" — (면)
난치하면
nahn-chee-hah-myuhn
nanchihamyeon
Progressive (고 있어요)
난치하고 있어요
nahn-chee-hah-goh ee-ssuh-yoh
nanchihago isseoyo
Want to (고 싶어요)
난치하고 싶어요
nahn-chee-hah-goh shee-puh-yoh
nanchihago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
난치할 수 있어요
nahn-chee-hahl soo ee-ssuh-yoh
nanchihal su isseoyo
Because / So (아/어서)
난치해서
nahn-chee-hae-suh
nanchihaeseo
Noun form — (기)
난치하기
nahn-chee-hah-gee
nanchihagi
Noun form — (음)
난치함
nahn-chee-hahm
nanchiham