Verbseoul.
하다 verb
키스하다kiseuhadato kiss (to touch with the lips)

To say to kiss (to touch with the lips) politely in the present tense, use 키스해요 (kee-seu-hae-yoh). Below is the full conjugation of 키스하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
키스해
kee-seu-hae
키스해요
kee-seu-hae-yoh
키스합니다
kee-seu-hahm-nee-dah
Past
키스했어
kee-seu-hae-ssuh
키스했어요
kee-seu-hae-ssuh-yoh
키스했습니다
kee-seu-hae-sseum-nee-dah
Future
키스할 거야
kee-seu-hahl- -guh-yah
키스할 거예요
kee-seu-hahl- -guh-yae-yoh
키스할 겁니다
kee-seu-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
키스하세요
kee-seu-hah-sae-yoh
Suggestion / Let's Polite (요)
키스해요
kee-seu-hae-yoh
Question Polite (요)
키스해요?
kee-seu-hae-yoh-?
Connective “and” — (고)
키스하고
kee-seu-hah-goh
Conditional “if” — (면)
키스하면
kee-seu-hah-myuhn
Noun form — (기)
키스함
kee-seu-hahm