-아/어 있다
a/eo itda
The move is over, the picture stays: -아/어 있다
The picture Something frozen in the shape it was left in once the action finished.
Where the picture shows up in -아/어 있다
-
came, and stayed
지금 사무실에 와 있어요.
ji-geum sa-mu-si-re wa i-sseo-yo
I'm at the office right now.
-
seated, and time passes
손님이 아까부터 저기 앉아 있어요.
son-ni-mi a-kka-bu-teo jeo-gi an-ja i-sseo-yo
That customer has been sitting there for a while.
-
standing, and holding
밖에서 삼십 분이나 서 있었어요.
ba-kke-seo sam-sip bu-ni-na seo i-sseo-sseo-yo
I stood outside for thirty minutes.
-
left over, still there
자리가 아직 남아 있어요.
ja-ri-ga a-jik na-ma i-sseo-yo
There are still seats left.
-
switched on, still on
사무실 불이 켜져 있어요.
sa-mu-sil bu-ri kyeo-jyeo i-sseo-yo
The office light is on.
불을 켜고 있어요 = turning it on; 켜져 있어요 = it is on. Swapping them changes the meaning.