Verbseoul.
regular

새우다 conjugation (saeuda, to stay up all night)

To say to stay up all night politely in the present tense, use 새워요 (sae-wuh-yoh) · saewoyo. Below is the full conjugation of 새우다 across the three tenses and three everyday speech levels.

Grammar note (regular): Regular verbs and adjectives conjugate predictably. Before 어-series suffixes, vowels may contract (가 + 아 → 가, 보 + 아 → 봐), but no consonant in the stem changes. If the final vowel of the stem is ㅏ or ㅗ, use 아; otherwise use 어. Consonant-final stems: 먹 + 어 → 먹어; vowel-final: 가 + 아 → 가.

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
새워
sae-wuh
saewo
새워요
sae-wuh-yoh
saewoyo
새웁니다
sae-oom-nee-dah
saeumnida
Past
새웠어
sae-wuh-ssuh
saewosseo
새웠어요
sae-wuh-ssuh-yoh
saewosseoyo
새웠습니다
sae-wuh-sseum-nee-dah
saewosseumnida
Future
새울 거야
sae-ool guh-yah
saeul geoya
새울 거예요
sae-ool guh-yae-yoh
saeul geoyeyo
새울 겁니다
sae-ool guhm-nee-dah
saeul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
새우세요
sae-oo-sae-yoh
saeuseyo
Suggestion / Let's Polite (요)
새워요
sae-wuh-yoh
saewoyo
Question Polite (요)
새워요?
sae-wuh-yoh-?
saewoyo?
Connective "and" — (고)
새우고
sae-oo-goh
saeugo
Conditional "if" — (면)
새우면
sae-oo-myuhn
saeumyeon
Progressive (고 있어요)
새우고 있어요
sae-oo-goh ee-ssuh-yoh
saeugo isseoyo
Want to (고 싶어요)
새우고 싶어요
sae-oo-goh shee-puh-yoh
saeugo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
새울 수 있어요
sae-ool soo ee-ssuh-yoh
saeul su isseoyo
Because / So (아/어서)
새워서
sae-wuh-suh
saewoseo
Noun form — (기)
새우기
sae-oo-gee
saeugi
Noun form — (음)
새움
sae-oom
saeum