Verbseoul.
하다 verb (adj)
지완하다jiwanhadato be slow, to be tardy

To say to be slow, to be tardy politely in the present tense, use 지완해요 (chee-wahn-hae-yoh). Below is the full conjugation of 지완하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
지완해
chee-wahn-hae
지완해요
chee-wahn-hae-yoh
지완합니다
chee-wahn-hahm-nee-dah
Past
지완했어
chee-wahn-hae-ssuh
지완했어요
chee-wahn-hae-ssuh-yoh
지완했습니다
chee-wahn-hae-sseum-nee-dah
Future
지완할 거야
chee-wahn-hahl- -guh-yah
지완할 거예요
chee-wahn-hahl- -guh-yae-yoh
지완할 겁니다
chee-wahn-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
지완하세요
chee-wahn-hah-sae-yoh
Suggestion / Let's Polite (요)
지완해요
chee-wahn-hae-yoh
Question Polite (요)
지완해요?
chee-wahn-hae-yoh-?
Connective “and” — (고)
지완하고
chee-wahn-hah-goh
Conditional “if” — (면)
지완하면
chee-wahn-hah-myuhn
Noun form — (기)
지완함
chee-wahn-hahm