Question

문들이 안쪽에서 잠겨 있었습니다 -아/어 있- is used with non-transitive (not requiring direct objects) verbs and only with those that describe actions leading to an end state. General examples of such actions are denoted by verbs of maintaining body position (standing, lying, etc.), transitioning into a distinct state (opening, removing, including, etc.) and verbs of motion towards an end point (come, go, etc.). It is possible to use -아/어 있- with passive verb forms.

Accepted Answer

The doors were locked from the inside

Front	문들이 안쪽에서 잠겨 있었습니다
Back	The doors were locked from the inside
Notes	-아/어 있- is used with non-transitive (not requiring direct objects) verbs and only with those that describe actions leading to an end state. General examples of such actions are denoted by verbs of maintaining body position (standing, lying, etc.), transitioning into a distinct state (opening, removing, including, etc.) and verbs of motion towards an end point (come, go, etc.). It is possible to use -아/어 있- with passive verb forms.

Verbs 아/어 있 Actions End 문들이 안쪽에서 잠겨