Verbseoul.
regular

뒤떨어지다 conjugation (dwitteoleojida, to be behind, to stay or be left behind)

To say to be behind, to stay or be left behind politely in the present tense, use 뒤떨어져요 (dwee-ttuh-ruh-chyuh-yoh) · dwitteoreojyeoyo. Below is the full conjugation of 뒤떨어지다 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
뒤떨어져
dwee-ttuh-ruh-chyuh
dwitteoreojyeo
뒤떨어져요
dwee-ttuh-ruh-chyuh-yoh
dwitteoreojyeoyo
뒤떨어집니다
dwee-ttuh-ruh-cheem-nee-dah
dwitteoreojimnida
Past
뒤떨어졌어
dwee-ttuh-ruh-chyuh-ssuh
dwitteoreojyeosseo
뒤떨어졌어요
dwee-ttuh-ruh-chyuh-ssuh-yoh
dwitteoreojyeosseoyo
뒤떨어졌습니다
dwee-ttuh-ruh-chyuh-sseum-nee-dah
dwitteoreojyeosseumnida
Future
뒤떨어질 거야
dwee-ttuh-ruh-cheel guh-yah
dwitteoreojil geoya
뒤떨어질 거예요
dwee-ttuh-ruh-cheel guh-yae-yoh
dwitteoreojil geoyeyo
뒤떨어질 겁니다
dwee-ttuh-ruh-cheel guhm-nee-dah
dwitteoreojil geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
뒤떨어지세요
dwee-ttuh-ruh-chee-sae-yoh
dwitteoreojiseyo
Suggestion / Let's Polite (요)
뒤떨어져요
dwee-ttuh-ruh-chyuh-yoh
dwitteoreojyeoyo
Question Polite (요)
뒤떨어져요?
dwee-ttuh-ruh-chyuh-yoh-?
dwitteoreojyeoyo?
Connective "and" — (고)
뒤떨어지고
dwee-ttuh-ruh-chee-goh
dwitteoreojigo
Conditional "if" — (면)
뒤떨어지면
dwee-ttuh-ruh-chee-myuhn
dwitteoreojimyeon
Progressive (고 있어요)
뒤떨어지고 있어요
dwee-ttuh-ruh-chee-goh ee-ssuh-yoh
dwitteoreojigo isseoyo
Want to (고 싶어요)
뒤떨어지고 싶어요
dwee-ttuh-ruh-chee-goh shee-puh-yoh
dwitteoreojigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
뒤떨어질 수 있어요
dwee-ttuh-ruh-cheel soo ee-ssuh-yoh
dwitteoreojil su isseoyo
Because / So (아/어서)
뒤떨어져서
dwee-ttuh-ruh-chyuh-suh
dwitteoreojyeoseo
Noun form — (기)
뒤떨어지기
dwee-ttuh-ruh-chee-gee
dwitteoreojigi
Noun form — (음)
뒤떨어짐
dwee-ttuh-ruh-cheem
dwitteoreojim