Verbseoul.
regular
갈아타다galatadato change to, to transfer to

To say to change to, to transfer to politely in the present tense, use 갈아타요 (gah-rah-tah-yoh). Below is the full conjugation of 갈아타다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
갈아타
gah-rah-tah
갈아타요
gah-rah-tah-yoh
갈아탑니다
gah-rah-tahm-nee-dah
Past
갈아탔어
gah-rah-tah-ssuh
갈아탔어요
gah-rah-tah-ssuh-yoh
갈아탔습니다
gah-rah-tah-sseum-nee-dah
Future
갈아탈 거야
gah-rah-tahl- -guh-yah
갈아탈 거예요
gah-rah-tahl- -guh-yae-yoh
갈아탈 겁니다
gah-rah-tahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
갈아타세요
gah-rah-tah-sae-yoh
Suggestion / Let's Polite (요)
갈아타요
gah-rah-tah-yoh
Question Polite (요)
갈아타요?
gah-rah-tah-yoh-?
Connective “and” — (고)
갈아타고
gah-rah-tah-goh
Conditional “if” — (면)
갈아타면
gah-rah-tah-myuhn
Noun form — (기)
갈아탐
gah-rah-tahm