✨ Best Answer ✨
同じ意味にならないです
The owner of that coffee shop is said to have been a sport instructor.
は正しい英文です
同じ意味に書き換えるなら
It is said that the owner of that coffee shop was a sport instructor.
です
The owner of that coffee shop is said that he was a sport instructor.
は正しい英文ではありません
ありがとうございます!!