Verbseoul.
하다 verb
재채기하다jaechaegihadato sneeze

To say to sneeze politely in the present tense, use 재채기해요 (chae-chae-gee-hae-yoh). Below is the full conjugation of 재채기하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
재채기해
chae-chae-gee-hae
재채기해요
chae-chae-gee-hae-yoh
재채기합니다
chae-chae-gee-hahm-nee-dah
Past
재채기했어
chae-chae-gee-hae-ssuh
재채기했어요
chae-chae-gee-hae-ssuh-yoh
재채기했습니다
chae-chae-gee-hae-sseum-nee-dah
Future
재채기할 거야
chae-chae-gee-hahl- -guh-yah
재채기할 거예요
chae-chae-gee-hahl- -guh-yae-yoh
재채기할 겁니다
chae-chae-gee-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
재채기하세요
chae-chae-gee-hah-sae-yoh
Suggestion / Let's Polite (요)
재채기해요
chae-chae-gee-hae-yoh
Question Polite (요)
재채기해요?
chae-chae-gee-hae-yoh-?
Connective “and” — (고)
재채기하고
chae-chae-gee-hah-goh
Conditional “if” — (면)
재채기하면
chae-chae-gee-hah-myuhn
Noun form — (기)
재채기함
chae-chae-gee-hahm