있을

있을

"있을" means "that will exist" or "that will be" (future determiner form of "있다").

Here, '있을' is used as a part of the verb '있다' conjugated in its future or conditional adjectival form '있을', modifying '지도' (possibility marker).

여기에 있을 지도 몰라요.

It might be here.

The word '있을' here comes from '있다' and describes an event (a meeting) as '가 있을 예정' roughly translates to 'is scheduled to occur'.

다음 회의는 서울에서 있을 예정이에요.

The next meeting is scheduled to take place in Seoul.

In this usage, '있을' is used to describe the potential presence of '그 사람' (that person) in a possible scenario or location.

그 사람이 있을까 궁금해요.

I wonder if that person will be there.