잠들어
chahm-deu-ruh
jamdeureo
잠들다
To say to go to sleep politely in the present tense, use 잠들어요 (chahm-deu-ruh-yoh) · jamdeureoyo. Below is the full conjugation of 잠들다 across the three tenses and three everyday speech levels.
Grammar note (ㄹ stem): ㄹ-stem verbs end in ㄹ as the final consonant. They are conjugated regularly with vowel suffixes (살다 → 살아요), but the ㄹ drops before certain consonant suffixes — specifically before ㄴ, ㅂ, ㅅ, and before the formal ending 습니다: 살다 → 사는, 삽니다, 살지 (ㄹ kept before ㅈ). This is sometimes called a "ㄹ drop" or "ㄹ irregular." See all ㄹ-stem verbs →
Conjugation table
pron. = pronunciation guide · RR = Revised Romanization
Highlighted = where the stem changes
| Tense | Casual (반말) | Polite (요) | Formal (합니다) |
|---|---|---|---|
| Present | 잠들어요 chahm-deu-ruh-yoh jamdeureoyo | 잠듭니다 chahm-deum-nee-dah jamdeumnida | |
| Past | 잠들었어 chahm-deu-ruh-ssuh jamdeureosseo | 잠들었어요 chahm-deu-ruh-ssuh-yoh jamdeureosseoyo | 잠들었습니다 chahm-deu-ruh-sseum-nee-dah jamdeureosseumnida |
| Future | 잠들 거야 chahm-deul guh-yah jamdeul geoya | 잠들 거예요 chahm-deul guh-yae-yoh jamdeul geoyeyo | 잠들 겁니다 chahm-deul guhm-nee-dah jamdeul geomnida |
Other useful forms
Honorific / Command Polite (-(으)세요)
잠드세요
chahm-deu-sae-yoh
jamdeuseyo
Suggestion / Let's Polite (요)
잠들어요
chahm-deu-ruh-yoh
jamdeureoyo
Question Polite (요)
잠들어요?
chahm-deu-ruh-yoh-?
jamdeureoyo?
Connective "and" — (고)
잠들고
chahm-deul-goh
jamdeulgo
Conditional "if" — (면)
잠들면
chahm-deul-myuhn
jamdeulmyeon
Progressive (고 있어요)
잠들고 있어요
chahm-deul-goh ee-ssuh-yoh
jamdeulgo isseoyo
Want to (고 싶어요)
잠들고 싶어요
chahm-deul-goh shee-puh-yoh
jamdeulgo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
잠들 수 있어요
chahm-deul soo ee-ssuh-yoh
jamdeul su isseoyo
Because / So (아/어서)
잠들어서
chahm-deu-ruh-suh
jamdeureoseo
Noun form — (기)
잠들기
chahm-deul-gee
jamdeulgi
Noun form — (음)
잠듦
chahm-deum
jamdeum