Question

he taught me phonetics at the university ? change passive form​

Answer 1

Answer-1:Phonetics was taught to me at the university by him.

Answer-2: I was taught phonetics at the university by him.

Answer 2

Answer:

I was taught phonetics by him at the university.

You can also write:

I was taught phonetics at the university by him.

Both of the answers can be written. :)

Hope I have helped you! Thank you!