서명해
suh-myuhng-hae
seomyeonghae
서명하다
To say to sign (to write one's signature on a document) politely in the present tense, use 서명해요 (suh-myuhng-hae-yoh) · seomyeonghaeyo. Below is the full conjugation of 서명하다 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
| Tense | Casual (반말) | Polite (요) | Formal (합니다) |
|---|---|---|---|
| Present | 서명해요 suh-myuhng-hae-yoh seomyeonghaeyo | 서명합니다 suh-myuhng-hahm-nee-dah seomyeonghamnida | |
| Past | 서명했어 suh-myuhng-hae-ssuh seomyeonghaesseo | 서명했어요 suh-myuhng-hae-ssuh-yoh seomyeonghaesseoyo | 서명했습니다 suh-myuhng-hae-sseum-nee-dah seomyeonghaesseumnida |
| Future | 서명할 거야 suh-myuhng-hahl guh-yah seomyeonghal geoya | 서명할 거예요 suh-myuhng-hahl guh-yae-yoh seomyeonghal geoyeyo | 서명할 겁니다 suh-myuhng-hahl guhm-nee-dah seomyeonghal geomnida |
Other useful forms
Honorific / Command Polite (-(으)세요)
서명하세요
suh-myuhng-hah-sae-yoh
seomyeonghaseyo
Suggestion / Let's Polite (요)
서명해요
suh-myuhng-hae-yoh
seomyeonghaeyo
Question Polite (요)
서명해요?
suh-myuhng-hae-yoh-?
seomyeonghaeyo?
Connective "and" — (고)
서명하고
suh-myuhng-hah-goh
seomyeonghago
Conditional "if" — (면)
서명하면
suh-myuhng-hah-myuhn
seomyeonghamyeon
Progressive (고 있어요)
서명하고 있어요
suh-myuhng-hah-goh ee-ssuh-yoh
seomyeonghago isseoyo
Want to (고 싶어요)
서명하고 싶어요
suh-myuhng-hah-goh shee-puh-yoh
seomyeonghago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
서명할 수 있어요
suh-myuhng-hahl soo ee-ssuh-yoh
seomyeonghal su isseoyo
Because / So (아/어서)
서명해서
suh-myuhng-hae-suh
seomyeonghaeseo
Noun form — (기)
서명하기
suh-myuhng-hah-gee
seomyeonghagi
Noun form — (음)
서명함
suh-myuhng-hahm
seomyeongham