Verbseoul.
하다 verb (adj)

어떠하다 conjugation (eotteohada, alternative form of 어떻다 (to be how))

To say alternative form of 어떻다 (to be how) politely in the present tense, use 어떠해요 (uh-ttuh-hae-yoh) · eotteohaeyo. Below is the full conjugation of 어떠하다 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
어떠해
uh-ttuh-hae
eotteohae
어떠해요
uh-ttuh-hae-yoh
eotteohaeyo
어떠합니다
uh-ttuh-hahm-nee-dah
eotteohamnida
Past
어떠했어
uh-ttuh-hae-ssuh
eotteohaesseo
어떠했어요
uh-ttuh-hae-ssuh-yoh
eotteohaesseoyo
어떠했습니다
uh-ttuh-hae-sseum-nee-dah
eotteohaesseumnida
Future
어떠할 거야
uh-ttuh-hahl guh-yah
eotteohal geoya
어떠할 거예요
uh-ttuh-hahl guh-yae-yoh
eotteohal geoyeyo
어떠할 겁니다
uh-ttuh-hahl guhm-nee-dah
eotteohal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
어떠하세요
uh-ttuh-hah-sae-yoh
eotteohaseyo
Suggestion / Let's Polite (요)
어떠해요
uh-ttuh-hae-yoh
eotteohaeyo
Question Polite (요)
어떠해요?
uh-ttuh-hae-yoh-?
eotteohaeyo?
Connective "and" — (고)
어떠하고
uh-ttuh-hah-goh
eotteohago
Conditional "if" — (면)
어떠하면
uh-ttuh-hah-myuhn
eotteohamyeon
Progressive (고 있어요)
어떠하고 있어요
uh-ttuh-hah-goh ee-ssuh-yoh
eotteohago isseoyo
Want to (고 싶어요)
어떠하고 싶어요
uh-ttuh-hah-goh shee-puh-yoh
eotteohago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
어떠할 수 있어요
uh-ttuh-hahl soo ee-ssuh-yoh
eotteohal su isseoyo
Because / So (아/어서)
어떠해서
uh-ttuh-hae-suh
eotteohaeseo
Noun form — (기)
어떠하기
uh-ttuh-hah-gee
eotteohagi
Noun form — (음)
어떠함
uh-ttuh-hahm
eotteoham