Verbseoul.
하다 verb
활동하다hwaldonghadato move, to be active

To say to move, to be active politely in the present tense, use 활동해요 (hwahl-dohng-hae-yoh). Below is the full conjugation of 활동하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
활동해
hwahl-dohng-hae
활동해요
hwahl-dohng-hae-yoh
활동합니다
hwahl-dohng-hahm-nee-dah
Past
활동했어
hwahl-dohng-hae-ssuh
활동했어요
hwahl-dohng-hae-ssuh-yoh
활동했습니다
hwahl-dohng-hae-sseum-nee-dah
Future
활동할 거야
hwahl-dohng-hahl- -guh-yah
활동할 거예요
hwahl-dohng-hahl- -guh-yae-yoh
활동할 겁니다
hwahl-dohng-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
활동하세요
hwahl-dohng-hah-sae-yoh
Suggestion / Let's Polite (요)
활동해요
hwahl-dohng-hae-yoh
Question Polite (요)
활동해요?
hwahl-dohng-hae-yoh-?
Connective “and” — (고)
활동하고
hwahl-dohng-hah-goh
Conditional “if” — (면)
활동하면
hwahl-dohng-hah-myuhn
Noun form — (기)
활동함
hwahl-dohng-hahm