Verbseoul.
regular

개선되다 conjugation (gaeseondoeda, to improve, to become better)

To say to improve, to become better politely in the present tense, use 개선돼요 (gae-suhn-dwae-yoh) · gaeseondwaeyo. Below is the full conjugation of 개선되다 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
개선돼
gae-suhn-dwae
gaeseondwae
개선돼요
gae-suhn-dwae-yoh
gaeseondwaeyo
개선됩니다
gae-suhn-dwaem-nee-dah
gaeseondoemnida
Past
개선됐어
gae-suhn-dwae-ssuh
gaeseondwaesseo
개선됐어요
gae-suhn-dwae-ssuh-yoh
gaeseondwaesseoyo
개선됐습니다
gae-suhn-dwae-sseum-nee-dah
gaeseondwaesseumnida
Future
개선될 거야
gae-suhn-dwael guh-yah
gaeseondoel geoya
개선될 거예요
gae-suhn-dwael guh-yae-yoh
gaeseondoel geoyeyo
개선될 겁니다
gae-suhn-dwael guhm-nee-dah
gaeseondoel geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
개선되세요
gae-suhn-dwae-sae-yoh
gaeseondoeseyo
Suggestion / Let's Polite (요)
개선돼요
gae-suhn-dwae-yoh
gaeseondwaeyo
Question Polite (요)
개선돼요?
gae-suhn-dwae-yoh-?
gaeseondwaeyo?
Connective "and" — (고)
개선되고
gae-suhn-dwae-goh
gaeseondoego
Conditional "if" — (면)
개선되면
gae-suhn-dwae-myuhn
gaeseondoemyeon
Progressive (고 있어요)
개선되고 있어요
gae-suhn-dwae-goh ee-ssuh-yoh
gaeseondoego isseoyo
Want to (고 싶어요)
개선되고 싶어요
gae-suhn-dwae-goh shee-puh-yoh
gaeseondoego sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
개선될 수 있어요
gae-suhn-dwael soo ee-ssuh-yoh
gaeseondoel su isseoyo
Because / So (아/어서)
개선돼서
gae-suhn-dwae-suh
gaeseondwaeseo
Noun form — (기)
개선되기
gae-suhn-dwae-gee
gaeseondoegi
Noun form — (음)
개선됨
gae-suhn-dwaem
gaeseondoem