Verbseoul.
하다 verb (adj)

부지런하다 conjugation (bujireonhada, to be hard-working, to be industrious)

To say to be hard-working, to be industrious politely in the present tense, use 부지런해요 (boo-chee-ruhn-hae-yoh) · bujireonhaeyo. Below is the full conjugation of 부지런하다 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
부지런해
boo-chee-ruhn-hae
bujireonhae
부지런해요
boo-chee-ruhn-hae-yoh
bujireonhaeyo
부지런합니다
boo-chee-ruhn-hahm-nee-dah
bujireonhamnida
Past
부지런했어
boo-chee-ruhn-hae-ssuh
bujireonhaesseo
부지런했어요
boo-chee-ruhn-hae-ssuh-yoh
bujireonhaesseoyo
부지런했습니다
boo-chee-ruhn-hae-sseum-nee-dah
bujireonhaesseumnida
Future
부지런할 거야
boo-chee-ruhn-hahl guh-yah
bujireonhal geoya
부지런할 거예요
boo-chee-ruhn-hahl guh-yae-yoh
bujireonhal geoyeyo
부지런할 겁니다
boo-chee-ruhn-hahl guhm-nee-dah
bujireonhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
부지런하세요
boo-chee-ruhn-hah-sae-yoh
bujireonhaseyo
Suggestion / Let's Polite (요)
부지런해요
boo-chee-ruhn-hae-yoh
bujireonhaeyo
Question Polite (요)
부지런해요?
boo-chee-ruhn-hae-yoh-?
bujireonhaeyo?
Connective "and" — (고)
부지런하고
boo-chee-ruhn-hah-goh
bujireonhago
Conditional "if" — (면)
부지런하면
boo-chee-ruhn-hah-myuhn
bujireonhamyeon
Progressive (고 있어요)
부지런하고 있어요
boo-chee-ruhn-hah-goh ee-ssuh-yoh
bujireonhago isseoyo
Want to (고 싶어요)
부지런하고 싶어요
boo-chee-ruhn-hah-goh shee-puh-yoh
bujireonhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
부지런할 수 있어요
boo-chee-ruhn-hahl soo ee-ssuh-yoh
bujireonhal su isseoyo
Because / So (아/어서)
부지런해서
boo-chee-ruhn-hae-suh
bujireonhaeseo
Noun form — (기)
부지런하기
boo-chee-ruhn-hah-gee
bujireonhagi
Noun form — (음)
부지런함
boo-chee-ruhn-hahm
bujireonham