Verbseoul.
하다 verb

성공하다 conjugation (seonggonghada, to succeed)

To say to succeed politely in the present tense, use 성공해요 (suhng-gohng-hae-yoh) · seonggonghaeyo. Below is the full conjugation of 성공하다 across the three tenses and three everyday speech levels.

Grammar note (하다 verb): 하다 verbs are formed with a Sino-Korean noun + 하다 (e.g. 공부하다 = study + do). 하다 conjugates irregularly: the ㅏ in 하 contracts with the -아/-어 suffix to give 해 (not *하어). Present polite: 해요; past polite: 했어요. The formal ending is 합니다 (not *하습니다). Most noun+하다 compounds follow this pattern uniformly. See all 하다 verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
성공해
suhng-gohng-hae
seonggonghae
성공해요
suhng-gohng-hae-yoh
seonggonghaeyo
성공합니다
suhng-gohng-hahm-nee-dah
seonggonghamnida
Past
성공했어
suhng-gohng-hae-ssuh
seonggonghaesseo
성공했어요
suhng-gohng-hae-ssuh-yoh
seonggonghaesseoyo
성공했습니다
suhng-gohng-hae-sseum-nee-dah
seonggonghaesseumnida
Future
성공할 거야
suhng-gohng-hahl guh-yah
seonggonghal geoya
성공할 거예요
suhng-gohng-hahl guh-yae-yoh
seonggonghal geoyeyo
성공할 겁니다
suhng-gohng-hahl guhm-nee-dah
seonggonghal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
성공하세요
suhng-gohng-hah-sae-yoh
seonggonghaseyo
Suggestion / Let's Polite (요)
성공해요
suhng-gohng-hae-yoh
seonggonghaeyo
Question Polite (요)
성공해요?
suhng-gohng-hae-yoh-?
seonggonghaeyo?
Connective "and" — (고)
성공하고
suhng-gohng-hah-goh
seonggonghago
Conditional "if" — (면)
성공하면
suhng-gohng-hah-myuhn
seonggonghamyeon
Progressive (고 있어요)
성공하고 있어요
suhng-gohng-hah-goh ee-ssuh-yoh
seonggonghago isseoyo
Want to (고 싶어요)
성공하고 싶어요
suhng-gohng-hah-goh shee-puh-yoh
seonggonghago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
성공할 수 있어요
suhng-gohng-hahl soo ee-ssuh-yoh
seonggonghal su isseoyo
Because / So (아/어서)
성공해서
suhng-gohng-hae-suh
seonggonghaeseo
Noun form — (기)
성공하기
suhng-gohng-hah-gee
seonggonghagi
Noun form — (음)
성공함
suhng-gohng-hahm
seonggongham