I appreciate to have had the opportunity to work at Sony.

英訳に間違いが有れば正してください。

私はソニーで働く機会があったことを感謝します。
I appreciate to have had the opportunity to work at Sony.

ヒント
動詞の用法

答え to haveをhavingにする

I appreciate having had the opportunity to work at Sony.

appreciate+doing
感謝する