Verbseoul.
하다 verb
질문하다jilmunhadato ask a question

To say to ask a question politely in the present tense, use 질문해요 (cheel-moon-hae-yoh). Below is the full conjugation of 질문하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
질문해
cheel-moon-hae
질문해요
cheel-moon-hae-yoh
질문합니다
cheel-moon-hahm-nee-dah
Past
질문했어
cheel-moon-hae-ssuh
질문했어요
cheel-moon-hae-ssuh-yoh
질문했습니다
cheel-moon-hae-sseum-nee-dah
Future
질문할 거야
cheel-moon-hahl- -guh-yah
질문할 거예요
cheel-moon-hahl- -guh-yae-yoh
질문할 겁니다
cheel-moon-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
질문하세요
cheel-moon-hah-sae-yoh
Suggestion / Let's Polite (요)
질문해요
cheel-moon-hae-yoh
Question Polite (요)
질문해요?
cheel-moon-hae-yoh-?
Connective “and” — (고)
질문하고
cheel-moon-hah-goh
Conditional “if” — (면)
질문하면
cheel-moon-hah-myuhn
Noun form — (기)
질문함
cheel-moon-hahm