Verbseoul.
하다 verb
응하다eunghadato answer, respond

To say to answer, respond politely in the present tense, use 응해요 (eung-hae-yoh). Below is the full conjugation of 응하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
응해
eung-hae
응해요
eung-hae-yoh
응합니다
eung-hahm-nee-dah
Past
응했어
eung-hae-ssuh
응했어요
eung-hae-ssuh-yoh
응했습니다
eung-hae-sseum-nee-dah
Future
응할 거야
eung-hahl- -guh-yah
응할 거예요
eung-hahl- -guh-yae-yoh
응할 겁니다
eung-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
응하세요
eung-hah-sae-yoh
Suggestion / Let's Polite (요)
응해요
eung-hae-yoh
Question Polite (요)
응해요?
eung-hae-yoh-?
Connective “and” — (고)
응하고
eung-hah-goh
Conditional “if” — (면)
응하면
eung-hah-myuhn
Noun form — (기)
응함
eung-hahm