Verbseoul.
하다 verb

세수하다 conjugation (sesuhada, to wash one's face)

To say to wash one's face politely in the present tense, use 세수해요 (sae-soo-hae-yoh) · sesuhaeyo. Below is the full conjugation of 세수하다 across the three tenses and three everyday speech levels.

Grammar note (하다 verb): 하다 verbs are formed with a Sino-Korean noun + 하다 (e.g. 공부하다 = study + do). 하다 conjugates irregularly: the ㅏ in 하 contracts with the -아/-어 suffix to give 해 (not *하어). Present polite: 해요; past polite: 했어요. The formal ending is 합니다 (not *하습니다). Most noun+하다 compounds follow this pattern uniformly. See all 하다 verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
세수해
sae-soo-hae
sesuhae
세수해요
sae-soo-hae-yoh
sesuhaeyo
세수합니다
sae-soo-hahm-nee-dah
sesuhamnida
Past
세수했어
sae-soo-hae-ssuh
sesuhaesseo
세수했어요
sae-soo-hae-ssuh-yoh
sesuhaesseoyo
세수했습니다
sae-soo-hae-sseum-nee-dah
sesuhaesseumnida
Future
세수할 거야
sae-soo-hahl guh-yah
sesuhal geoya
세수할 거예요
sae-soo-hahl guh-yae-yoh
sesuhal geoyeyo
세수할 겁니다
sae-soo-hahl guhm-nee-dah
sesuhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
세수하세요
sae-soo-hah-sae-yoh
sesuhaseyo
Suggestion / Let's Polite (요)
세수해요
sae-soo-hae-yoh
sesuhaeyo
Question Polite (요)
세수해요?
sae-soo-hae-yoh-?
sesuhaeyo?
Connective "and" — (고)
세수하고
sae-soo-hah-goh
sesuhago
Conditional "if" — (면)
세수하면
sae-soo-hah-myuhn
sesuhamyeon
Progressive (고 있어요)
세수하고 있어요
sae-soo-hah-goh ee-ssuh-yoh
sesuhago isseoyo
Want to (고 싶어요)
세수하고 싶어요
sae-soo-hah-goh shee-puh-yoh
sesuhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
세수할 수 있어요
sae-soo-hahl soo ee-ssuh-yoh
sesuhal su isseoyo
Because / So (아/어서)
세수해서
sae-soo-hae-suh
sesuhaeseo
Noun form — (기)
세수하기
sae-soo-hah-gee
sesuhagi
Noun form — (음)
세수함
sae-soo-hahm
sesuham