Verbseoul.
descriptive

고되다 conjugation (godoeda, to be hard, to be tough, to be arduous)

To say to be hard, to be tough, to be arduous politely in the present tense, use 고돼요 (goh-dwae-yoh) · godwaeyo. Below is the full conjugation of 고되다 across the three tenses and three everyday speech levels.

Grammar note (descriptive): Descriptive verbs (형용사) function like adjectives in Korean and conjugate the same way as regular action verbs. They cannot take the progressive -고 있어요 or imperative forms. 좋다 (to be good) → 좋아요; 크다 (to be big) → 커요 (으-irregular).

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
고돼
goh-dwae
godwae
고돼요
goh-dwae-yoh
godwaeyo
고됩니다
goh-dwaem-nee-dah
godoemnida
Past
고됐어
goh-dwae-ssuh
godwaesseo
고됐어요
goh-dwae-ssuh-yoh
godwaesseoyo
고됐습니다
goh-dwae-sseum-nee-dah
godwaesseumnida
Future
고될 거야
goh-dwael guh-yah
godoel geoya
고될 거예요
goh-dwael guh-yae-yoh
godoel geoyeyo
고될 겁니다
goh-dwael guhm-nee-dah
godoel geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
고되세요
goh-dwae-sae-yoh
godoeseyo
Suggestion / Let's Polite (요)
고돼요
goh-dwae-yoh
godwaeyo
Question Polite (요)
고돼요?
goh-dwae-yoh-?
godwaeyo?
Connective "and" — (고)
고되고
goh-dwae-goh
godoego
Conditional "if" — (면)
고되면
goh-dwae-myuhn
godoemyeon
Progressive (고 있어요)
고되고 있어요
goh-dwae-goh ee-ssuh-yoh
godoego isseoyo
Want to (고 싶어요)
고되고 싶어요
goh-dwae-goh shee-puh-yoh
godoego sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
고될 수 있어요
goh-dwael soo ee-ssuh-yoh
godoel su isseoyo
Because / So (아/어서)
고돼서
goh-dwae-suh
godwaeseo
Noun form — (기)
고되기
goh-dwae-gee
godoegi
Noun form — (음)
고됨
goh-dwaem
godoem