Verbseoul.
하다 verb (adj)

영원하다 conjugation (yeongwonhada, eternal, permanent, everlasting)

To say eternal, permanent, everlasting politely in the present tense, use 영원해요 (yuhng-wuhn-hae-yoh) · yeongwonhaeyo. Below is the full conjugation of 영원하다 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
영원해
yuhng-wuhn-hae
yeongwonhae
영원해요
yuhng-wuhn-hae-yoh
yeongwonhaeyo
영원합니다
yuhng-wuhn-hahm-nee-dah
yeongwonhamnida
Past
영원했어
yuhng-wuhn-hae-ssuh
yeongwonhaesseo
영원했어요
yuhng-wuhn-hae-ssuh-yoh
yeongwonhaesseoyo
영원했습니다
yuhng-wuhn-hae-sseum-nee-dah
yeongwonhaesseumnida
Future
영원할 거야
yuhng-wuhn-hahl guh-yah
yeongwonhal geoya
영원할 거예요
yuhng-wuhn-hahl guh-yae-yoh
yeongwonhal geoyeyo
영원할 겁니다
yuhng-wuhn-hahl guhm-nee-dah
yeongwonhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
영원하세요
yuhng-wuhn-hah-sae-yoh
yeongwonhaseyo
Suggestion / Let's Polite (요)
영원해요
yuhng-wuhn-hae-yoh
yeongwonhaeyo
Question Polite (요)
영원해요?
yuhng-wuhn-hae-yoh-?
yeongwonhaeyo?
Connective "and" — (고)
영원하고
yuhng-wuhn-hah-goh
yeongwonhago
Conditional "if" — (면)
영원하면
yuhng-wuhn-hah-myuhn
yeongwonhamyeon
Progressive (고 있어요)
영원하고 있어요
yuhng-wuhn-hah-goh ee-ssuh-yoh
yeongwonhago isseoyo
Want to (고 싶어요)
영원하고 싶어요
yuhng-wuhn-hah-goh shee-puh-yoh
yeongwonhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
영원할 수 있어요
yuhng-wuhn-hahl soo ee-ssuh-yoh
yeongwonhal su isseoyo
Because / So (아/어서)
영원해서
yuhng-wuhn-hae-suh
yeongwonhaeseo
Noun form — (기)
영원하기
yuhng-wuhn-hah-gee
yeongwonhagi
Noun form — (음)
영원함
yuhng-wuhn-hahm
yeongwonham