during or while

[Prple]

Hi there,

I want to express the following: "Please be aware that I am not a professional teacher, the only thing I can offer you is German as my mother tongue and my eduction which I received while I was making my A Level / during I was making my A Level."

Thanks!

[Rover_KE]

"Please be aware that I am not a professional teacher; the only thing I can only offer you is German as my mother tongue and the education which I received while I was studying for my A Levels."

Rover

[bhaisahab]

Hi there,

I want to express the following: "Please be aware that I am not a professional teacher, the only thing I can offer you is German as my mother tongue and the education which I received while I was doing my A Levels."
Thanks!

Bhai.