Verbseoul.
regular
닳다dalda-2to wear down

To say to wear down politely in the present tense, use 닳아요 (dah-rah-yoh). Below is the full conjugation of 닳다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
닳아
dah-rah
닳아요
dah-rah-yoh
닳습니다
dahl-seum-nee-dah
Past
닳았어
dah-rah-ssuh
닳았어요
dah-rah-ssuh-yoh
닳았습니다
dah-rah-sseum-nee-dah
Future
닳을 거야
dah-reul- -guh-yah
닳을 거예요
dah-reul- -guh-yae-yoh
닳을 겁니다
dah-reul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
닳으세요
dah-reu-sae-yoh
Suggestion / Let's Polite (요)
닳아요
dah-rah-yoh
Question Polite (요)
닳아요?
dah-rah-yoh-?
Connective “and” — (고)
닳고
dahl-goh
Conditional “if” — (면)
닳으면
dah-reu-myuhn
Noun form — (기)
닳음
dah-reum