Verbseoul.
하다 verb
행진하다haengjinhadato march

To say to march politely in the present tense, use 행진해요 (haeng-cheen-hae-yoh). Below is the full conjugation of 행진하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
행진해
haeng-cheen-hae
행진해요
haeng-cheen-hae-yoh
행진합니다
haeng-cheen-hahm-nee-dah
Past
행진했어
haeng-cheen-hae-ssuh
행진했어요
haeng-cheen-hae-ssuh-yoh
행진했습니다
haeng-cheen-hae-sseum-nee-dah
Future
행진할 거야
haeng-cheen-hahl- -guh-yah
행진할 거예요
haeng-cheen-hahl- -guh-yae-yoh
행진할 겁니다
haeng-cheen-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
행진하세요
haeng-cheen-hah-sae-yoh
Suggestion / Let's Polite (요)
행진해요
haeng-cheen-hae-yoh
Question Polite (요)
행진해요?
haeng-cheen-hae-yoh-?
Connective “and” — (고)
행진하고
haeng-cheen-hah-goh
Conditional “if” — (면)
행진하면
haeng-cheen-hah-myuhn
Noun form — (기)
행진함
haeng-cheen-hahm