Verbseoul.
하다 verb
장식하다jangsikhadato decorate

To say to decorate politely in the present tense, use 장식해요 (chahng-shee-kae-yoh). Below is the full conjugation of 장식하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
장식해
chahng-shee-kae
장식해요
chahng-shee-kae-yoh
장식합니다
chahng-shee-kahm-nee-dah
Past
장식했어
chahng-shee-kae-ssuh
장식했어요
chahng-shee-kae-ssuh-yoh
장식했습니다
chahng-shee-kae-sseum-nee-dah
Future
장식할 거야
chahng-shee-kahl- -guh-yah
장식할 거예요
chahng-shee-kahl- -guh-yae-yoh
장식할 겁니다
chahng-shee-kahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
장식하세요
chahng-shee-kah-sae-yoh
Suggestion / Let's Polite (요)
장식해요
chahng-shee-kae-yoh
Question Polite (요)
장식해요?
chahng-shee-kae-yoh-?
Connective “and” — (고)
장식하고
chahng-shee-kah-goh
Conditional “if” — (면)
장식하면
chahng-shee-kah-myuhn
Noun form — (기)
장식함
chahng-shee-kahm