문을 열

open the door

→ 문
phrase Rare #20,693
open the door 문 can also refer to the entrance of a business, so 문을 열 can mean to open a business. 열 is a verb stem and is usually followed by an ending.
KO: 아침에 문을 열어요.
EN: I open the door in the morning.

말 안 하면 문을 열 거 예요

If you don’t say anything, I’ll open the door.

— 천녀유혼 (1987)

내일 아침 평소 시간에 전부 문을 열 거 예요.

We’ll open everything at the usual time tomorrow morning.