This is the 12321st most frequent Turkish word.
hastaneydi
"Was at the hospital."
In this sentence, 'hastaneydi' is used to denote a location where the subject was in the past.
O geçen hafta hastaneydi.
He was in the hospital last week.
Here, 'hastaneydi' describes the previous occupation/employment affiliation of the subject.
Arkadaşım daha önce bir hastaneydi, fakat şimdi işi farklı.
My friend was employed at a hospital before, but now his job is different.
In this sentence, 'hastaneydi' emphasizes the significance of the setting being the hospital during the described events.