줄어
choo-ruh
jureo
줄다
To say to decrease, to shrink politely in the present tense, use 줄어요 (choo-ruh-yoh) · jureoyo. Below is the full conjugation of 줄다 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 | 줄어요 choo-ruh-yoh jureoyo | 줍니다 choom-nee-dah jumnida | |
| Past | 줄었어 choo-ruh-ssuh jureosseo | 줄었어요 choo-ruh-ssuh-yoh jureosseoyo | 줄었습니다 choo-ruh-sseum-nee-dah jureosseumnida |
| Future | 줄 거야 chool guh-yah jul geoya | 줄 거예요 chool guh-yae-yoh jul geoyeyo | 줄 겁니다 chool guhm-nee-dah jul geomnida |
Other useful forms
Honorific / Command Polite (-(으)세요)
주세요
choo-sae-yoh
juseyo
Suggestion / Let's Polite (요)
줄어요
choo-ruh-yoh
jureoyo
Question Polite (요)
줄어요?
choo-ruh-yoh-?
jureoyo?
Connective "and" — (고)
줄고
chool-goh
julgo
Conditional "if" — (면)
줄면
chool-myuhn
julmyeon
Progressive (고 있어요)
줄고 있어요
chool-goh ee-ssuh-yoh
julgo isseoyo
Want to (고 싶어요)
줄고 싶어요
chool-goh shee-puh-yoh
julgo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
줄 수 있어요
chool soo ee-ssuh-yoh
jul su isseoyo
Because / So (아/어서)
줄어서
choo-ruh-suh
jureoseo
Noun form — (기)
줄기
chool-gee
julgi
Noun form — (음)
줆
choom
jum