This is the 2745th most frequent Turkish word.
öğretmeni
"The teacher" (possessive form).
In this sentence, 'öğretmeni' refers to 'the teacher' as a direct object in the accusative case.
Sınıfta öğretmeni dinledik.
We listened to the teacher in the classroom.
Here, 'öğretmeni' signifies 'the teacher', still in accusative case, showing specific liking towards this teacher.
Okuldaki öğretmeni çok seviyorum.
I like the teacher at the school a lot.
In this example, 'öğretmeni' is used accusatively to inquire about familiarity with 'the teacher.'