나서
nah-suh
naseo
regular
나서다
To say to go forth politely in the present tense, use 나서요 (nah-suh-yoh) · naseoyo. Below is the full conjugation of 나서다 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
| Tense | Casual (반말) | Polite (요) | Formal (합니다) |
|---|---|---|---|
| Present | 나서요 nah-suh-yoh naseoyo | 나섭니다 nah-suhm-nee-dah naseomnida | |
| Past | 나섰어 nah-suh-ssuh naseosseo | 나섰어요 nah-suh-ssuh-yoh naseosseoyo | 나섰습니다 nah-suh-sseum-nee-dah naseosseumnida |
| Future | 나설 거야 nah-suhl guh-yah naseol geoya | 나설 거예요 nah-suhl guh-yae-yoh naseol geoyeyo | 나설 겁니다 nah-suhl guhm-nee-dah naseol geomnida |
Other useful forms
Honorific / Command Polite (-(으)세요)
나서세요
nah-suh-sae-yoh
naseoseyo
Suggestion / Let's Polite (요)
나서요
nah-suh-yoh
naseoyo
Question Polite (요)
나서요?
nah-suh-yoh-?
naseoyo?
Connective "and" — (고)
나서고
nah-suh-goh
naseogo
Conditional "if" — (면)
나서면
nah-suh-myuhn
naseomyeon
Progressive (고 있어요)
나서고 있어요
nah-suh-goh ee-ssuh-yoh
naseogo isseoyo
Want to (고 싶어요)
나서고 싶어요
nah-suh-goh shee-puh-yoh
naseogo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
나설 수 있어요
nah-suhl soo ee-ssuh-yoh
naseol su isseoyo
Because / So (아/어서)
나서서
nah-suh-suh
naseoseo
Noun form — (기)
나서기
nah-suh-gee
naseogi
Noun form — (음)
나섬
nah-suhm
naseom