Verbseoul.
regular

닳다 conjugation (dalda-2, to wear down)

To say to wear down politely in the present tense, use 닳아요 (dah-rah-yoh) · darayo. Below is the full conjugation of 닳다 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
닳아
dah-rah
dara
닳아요
dah-rah-yoh
darayo
닳습니다
dahl-seum-nee-dah
dalseumnida
Past
닳았어
dah-rah-ssuh
darasseo
닳았어요
dah-rah-ssuh-yoh
darasseoyo
닳았습니다
dah-rah-sseum-nee-dah
darasseumnida
Future
닳을 거야
dah-reul guh-yah
dareul geoya
닳을 거예요
dah-reul guh-yae-yoh
dareul geoyeyo
닳을 겁니다
dah-reul guhm-nee-dah
dareul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
닳으세요
dah-reu-sae-yoh
dareuseyo
Suggestion / Let's Polite (요)
닳아요
dah-rah-yoh
darayo
Question Polite (요)
닳아요?
dah-rah-yoh-?
darayo?
Connective "and" — (고)
닳고
dahl-goh
dalgo
Conditional "if" — (면)
닳으면
dah-reu-myuhn
dareumyeon
Progressive (고 있어요)
닳고 있어요
dahl-goh ee-ssuh-yoh
dalgo isseoyo
Want to (고 싶어요)
닳고 싶어요
dahl-goh shee-puh-yoh
dalgo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
닳을 수 있어요
dah-reul soo ee-ssuh-yoh
dareul su isseoyo
Because / So (아/어서)
닳아서
dah-rah-suh
daraseo
Noun form — (기)
닳기
dahl-gee
dalgi
Noun form — (음)
닳음
dah-reum
dareum