Verbseoul.
하다 verb
무장하다mujanghadato arm

To say to arm politely in the present tense, use 무장해요 (moo-chahng-hae-yoh). Below is the full conjugation of 무장하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
무장해
moo-chahng-hae
무장해요
moo-chahng-hae-yoh
무장합니다
moo-chahng-hahm-nee-dah
Past
무장했어
moo-chahng-hae-ssuh
무장했어요
moo-chahng-hae-ssuh-yoh
무장했습니다
moo-chahng-hae-sseum-nee-dah
Future
무장할 거야
moo-chahng-hahl- -guh-yah
무장할 거예요
moo-chahng-hahl- -guh-yae-yoh
무장할 겁니다
moo-chahng-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
무장하세요
moo-chahng-hah-sae-yoh
Suggestion / Let's Polite (요)
무장해요
moo-chahng-hae-yoh
Question Polite (요)
무장해요?
moo-chahng-hae-yoh-?
Connective “and” — (고)
무장하고
moo-chahng-hah-goh
Conditional “if” — (면)
무장하면
moo-chahng-hah-myuhn
Noun form — (기)
무장함
moo-chahng-hahm