Verbseoul.
하다 verb (adj)

불완전하다 conjugation (bulwanjeonhada, incomplete)

To say incomplete politely in the present tense, use 불완전해요 (boo-rwahn-chuhn-hae-yoh) · burwanjeonhaeyo. Below is the full conjugation of 불완전하다 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
불완전해
boo-rwahn-chuhn-hae
burwanjeonhae
불완전해요
boo-rwahn-chuhn-hae-yoh
burwanjeonhaeyo
불완전합니다
boo-rwahn-chuhn-hahm-nee-dah
burwanjeonhamnida
Past
불완전했어
boo-rwahn-chuhn-hae-ssuh
burwanjeonhaesseo
불완전했어요
boo-rwahn-chuhn-hae-ssuh-yoh
burwanjeonhaesseoyo
불완전했습니다
boo-rwahn-chuhn-hae-sseum-nee-dah
burwanjeonhaesseumnida
Future
불완전할 거야
boo-rwahn-chuhn-hahl guh-yah
burwanjeonhal geoya
불완전할 거예요
boo-rwahn-chuhn-hahl guh-yae-yoh
burwanjeonhal geoyeyo
불완전할 겁니다
boo-rwahn-chuhn-hahl guhm-nee-dah
burwanjeonhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
불완전하세요
boo-rwahn-chuhn-hah-sae-yoh
burwanjeonhaseyo
Suggestion / Let's Polite (요)
불완전해요
boo-rwahn-chuhn-hae-yoh
burwanjeonhaeyo
Question Polite (요)
불완전해요?
boo-rwahn-chuhn-hae-yoh-?
burwanjeonhaeyo?
Connective "and" — (고)
불완전하고
boo-rwahn-chuhn-hah-goh
burwanjeonhago
Conditional "if" — (면)
불완전하면
boo-rwahn-chuhn-hah-myuhn
burwanjeonhamyeon
Progressive (고 있어요)
불완전하고 있어요
boo-rwahn-chuhn-hah-goh ee-ssuh-yoh
burwanjeonhago isseoyo
Want to (고 싶어요)
불완전하고 싶어요
boo-rwahn-chuhn-hah-goh shee-puh-yoh
burwanjeonhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
불완전할 수 있어요
boo-rwahn-chuhn-hahl soo ee-ssuh-yoh
burwanjeonhal su isseoyo
Because / So (아/어서)
불완전해서
boo-rwahn-chuhn-hae-suh
burwanjeonhaeseo
Noun form — (기)
불완전하기
boo-rwahn-chuhn-hah-gee
burwanjeonhagi
Noun form — (음)
불완전함
boo-rwahn-chuhn-hahm
burwanjeonham