성실해
suhng-sheel-hae
seongsilhae
성실하다
To say conscientious politely in the present tense, use 성실해요 (suhng-sheel-hae-yoh) · seongsilhaeyo. Below is the full conjugation of 성실하다 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
| Tense | Casual (반말) | Polite (요) | Formal (합니다) |
|---|---|---|---|
| Present | 성실해요 suhng-sheel-hae-yoh seongsilhaeyo | 성실합니다 suhng-sheel-hahm-nee-dah seongsilhamnida | |
| Past | 성실했어 suhng-sheel-hae-ssuh seongsilhaesseo | 성실했어요 suhng-sheel-hae-ssuh-yoh seongsilhaesseoyo | 성실했습니다 suhng-sheel-hae-sseum-nee-dah seongsilhaesseumnida |
| Future | 성실할 거야 suhng-sheel-hahl guh-yah seongsilhal geoya | 성실할 거예요 suhng-sheel-hahl guh-yae-yoh seongsilhal geoyeyo | 성실할 겁니다 suhng-sheel-hahl guhm-nee-dah seongsilhal geomnida |
Other useful forms
Honorific / Command Polite (-(으)세요)
성실하세요
suhng-sheel-hah-sae-yoh
seongsilhaseyo
Suggestion / Let's Polite (요)
성실해요
suhng-sheel-hae-yoh
seongsilhaeyo
Question Polite (요)
성실해요?
suhng-sheel-hae-yoh-?
seongsilhaeyo?
Connective "and" — (고)
성실하고
suhng-sheel-hah-goh
seongsilhago
Conditional "if" — (면)
성실하면
suhng-sheel-hah-myuhn
seongsilhamyeon
Progressive (고 있어요)
성실하고 있어요
suhng-sheel-hah-goh ee-ssuh-yoh
seongsilhago isseoyo
Want to (고 싶어요)
성실하고 싶어요
suhng-sheel-hah-goh shee-puh-yoh
seongsilhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
성실할 수 있어요
suhng-sheel-hahl soo ee-ssuh-yoh
seongsilhal su isseoyo
Because / So (아/어서)
성실해서
suhng-sheel-hae-suh
seongsilhaeseo
Noun form — (기)
성실하기
suhng-sheel-hah-gee
seongsilhagi
Noun form — (음)
성실함
suhng-sheel-hahm
seongsilham