이 도착할

will arrive

→ 이

phrase Uncommon #12,828

will arrive 이 marks the subject of the sentence and attaches to a noun ending in a consonant. 도착할 often comes before a noun or 때 (“when”) to describe a future arrival.

KO: 손님이 도착할 때 전화해 주세요.

EN: Please call when the guest arrives.