Verbseoul.
regular
닿다datda-2to touch, to reach

To say to touch, to reach politely in the present tense, use 닿아요 (dah-ah-yoh). Below is the full conjugation of 닿다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
닿아
dah-ah
닿아요
dah-ah-yoh
닿습니다
dah-sseum-nee-dah
Past
닿았어
dah-ah-ssuh
닿았어요
dah-ah-ssuh-yoh
닿았습니다
dah-ah-sseum-nee-dah
Future
닿을 거야
dah-eul- -guh-yah
닿을 거예요
dah-eul- -guh-yae-yoh
닿을 겁니다
dah-eul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
닿으세요
dah-eu-sae-yoh
Suggestion / Let's Polite (요)
닿아요
dah-ah-yoh
Question Polite (요)
닿아요?
dah-ah-yoh-?
Connective “and” — (고)
닿고
dah-koh
Conditional “if” — (면)
닿으면
dah-eu-myuhn
Noun form — (기)
닿음
dah-eum