не уверен что тебе нужен именно я,

не уверен что тебе нужен именно я, так как я уже закончил учебу в своем училище

Результаты (английский) 1:

not sure what you need exactly I, because I have already finished their studies at his school

Результаты (английский) 2:

not sure what exactly you need me, since I had already finished my studies in my school

Результаты (английский) 3:

Not sure that you don't need it was I, as I have already graduated in his school