Grammar
-기로 하다
decide to do something
Form
Action verb stem + -기로 하다: “decide to …”.
Function
Expresses a decision or agreement about an action. 하다 is conjugated to locate the decision in time.
Why this form?
-(으)려고 하다 (“intend to”) expresses a plan or intention without necessarily indicating a settled decision; -기로 하다 indicates a decision or agreement.
How to build it
Verb + -기로 하다; past: -기로 했다 (“decided to”).
Forms not to confuse
-(으)려고 하다
내일 일찍 출발하려고 해요. — I intend to leave early tomorrow.
Examples
불안을 조금 덜기 위해 둘 중 한 명에게 다가가기로 했다. — To ease my anxiety a little, I decided to approach one of the two.
다음 주에 다시 만나기로 했어요. — We decided to meet again next week.