I have many requests regarding my English conversation lessons, but the requests aren't limited to those.
I have many kinds of requests for other lessons I am taking.
ご質問ありがとうございます。
"I have many requests regarding my English conversation lessons,"＝「私は英会話レッスンに関して沢山の要望があります、」
"but the requests aren't limited to those."＝「でも、要望はそれだけではありません。」
"I have many kinds of requests for other lessons I am taking."＝「他の習い事に関してもいろいろな要望があります。」
ご参考までに。
アメリカ合衆国 
