Verbseoul.
하다 verb
건축하다geonchukhadato construct

To say to construct politely in the present tense, use 건축해요 (guhn-choo-kae-yoh). Below is the full conjugation of 건축하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
건축해
guhn-choo-kae
건축해요
guhn-choo-kae-yoh
건축합니다
guhn-choo-kahm-nee-dah
Past
건축했어
guhn-choo-kae-ssuh
건축했어요
guhn-choo-kae-ssuh-yoh
건축했습니다
guhn-choo-kae-sseum-nee-dah
Future
건축할 거야
guhn-choo-kahl- -guh-yah
건축할 거예요
guhn-choo-kahl- -guh-yae-yoh
건축할 겁니다
guhn-choo-kahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
건축하세요
guhn-choo-kah-sae-yoh
Suggestion / Let's Polite (요)
건축해요
guhn-choo-kae-yoh
Question Polite (요)
건축해요?
guhn-choo-kae-yoh-?
Connective “and” — (고)
건축하고
guhn-choo-kah-goh
Conditional “if” — (면)
건축하면
guhn-choo-kah-myuhn
Noun form — (기)
건축함
guhn-choo-kahm