Verbseoul.
ㄹ stem
갈아들다galadeuldato replace something previous, to serve as replacement

To say to replace something previous, to serve as replacement politely in the present tense, use 갈아들어요 (gah-rah-deu-ruh-yoh). Below is the full conjugation of 갈아들다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
갈아들어
gah-rah-deu-ruh
갈아들어요
gah-rah-deu-ruh-yoh
갈아듭니다
gah-rah-deum-nee-dah
Past
갈아들었어
gah-rah-deu-ruh-ssuh
갈아들었어요
gah-rah-deu-ruh-ssuh-yoh
갈아들었습니다
gah-rah-deu-ruh-sseum-nee-dah
Future
갈아들 거야
gah-rah-deul- -guh-yah
갈아들 거예요
gah-rah-deul- -guh-yae-yoh
갈아들 겁니다
gah-rah-deul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
갈아드세요
gah-rah-deu-sae-yoh
Suggestion / Let's Polite (요)
갈아들어요
gah-rah-deu-ruh-yoh
Question Polite (요)
갈아들어요?
gah-rah-deu-ruh-yoh-?
Connective “and” — (고)
갈아들고
gah-rah-deul-goh
Conditional “if” — (면)
갈아들면
gah-rah-deul-myuhn
Noun form — (기)
갈아듦
gah-rah-deum