"I went to see the Opera of the person I was in an Opera with before."
"I went to see the Opera of the person I was in an Opera with before."
"I went to see the opera" 「観にオペラに行った」
"of the person I was in an opera with before" 「前に一緒に公演に出た彼」
[公演](https://eikaiwa.dmm.com/uknow/questions/43217/)についてもっと詳しく知りたい方はクリックしてください。
I went to see the opera performance of someone I have performed with before.
"前に一緒に公演に出た彼を観にオペラに行った"
- I went to see the opera performance of someone I have performed with before.
前にオペラに一緒に出演した彼が、今回出ていたので、応援するために行った
- A guy that I had performed with in an opera before was performing this time around so I went to go and support him.
オーストラリア 
アメリカ合衆国 
