Verbseoul.
하다 verb
제출하다jechulhadato submit, hand in (something to someone)

To say to submit, hand in (something to someone) politely in the present tense, use 제출해요 (chae-chool-hae-yoh). Below is the full conjugation of 제출하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
제출해
chae-chool-hae
제출해요
chae-chool-hae-yoh
제출합니다
chae-chool-hahm-nee-dah
Past
제출했어
chae-chool-hae-ssuh
제출했어요
chae-chool-hae-ssuh-yoh
제출했습니다
chae-chool-hae-sseum-nee-dah
Future
제출할 거야
chae-chool-hahl- -guh-yah
제출할 거예요
chae-chool-hahl- -guh-yae-yoh
제출할 겁니다
chae-chool-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
제출하세요
chae-chool-hah-sae-yoh
Suggestion / Let's Polite (요)
제출해요
chae-chool-hae-yoh
Question Polite (요)
제출해요?
chae-chool-hae-yoh-?
Connective “and” — (고)
제출하고
chae-chool-hah-goh
Conditional “if” — (면)
제출하면
chae-chool-hah-myuhn
Noun form — (기)
제출함
chae-chool-hahm