Verbseoul.
하다 verb (adj)

공허하다 conjugation (gongheohada, to be void)

To say to be void politely in the present tense, use 공허해요 (gohng-huh-hae-yoh) · gongheohaeyo. Below is the full conjugation of 공허하다 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
공허해
gohng-huh-hae
gongheohae
공허해요
gohng-huh-hae-yoh
gongheohaeyo
공허합니다
gohng-huh-hahm-nee-dah
gongheohamnida
Past
공허했어
gohng-huh-hae-ssuh
gongheohaesseo
공허했어요
gohng-huh-hae-ssuh-yoh
gongheohaesseoyo
공허했습니다
gohng-huh-hae-sseum-nee-dah
gongheohaesseumnida
Future
공허할 거야
gohng-huh-hahl guh-yah
gongheohal geoya
공허할 거예요
gohng-huh-hahl guh-yae-yoh
gongheohal geoyeyo
공허할 겁니다
gohng-huh-hahl guhm-nee-dah
gongheohal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
공허하세요
gohng-huh-hah-sae-yoh
gongheohaseyo
Suggestion / Let's Polite (요)
공허해요
gohng-huh-hae-yoh
gongheohaeyo
Question Polite (요)
공허해요?
gohng-huh-hae-yoh-?
gongheohaeyo?
Connective "and" — (고)
공허하고
gohng-huh-hah-goh
gongheohago
Conditional "if" — (면)
공허하면
gohng-huh-hah-myuhn
gongheohamyeon
Progressive (고 있어요)
공허하고 있어요
gohng-huh-hah-goh ee-ssuh-yoh
gongheohago isseoyo
Want to (고 싶어요)
공허하고 싶어요
gohng-huh-hah-goh shee-puh-yoh
gongheohago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
공허할 수 있어요
gohng-huh-hahl soo ee-ssuh-yoh
gongheohal su isseoyo
Because / So (아/어서)
공허해서
gohng-huh-hae-suh
gongheohaeseo
Noun form — (기)
공허하기
gohng-huh-hah-gee
gongheohagi
Noun form — (음)
공허함
gohng-huh-hahm
gongheoham