If we had not been born in the same generation, I couldn't have talked with him.
If we had not been born in the same generation, I would not have had any opportunity to talk with him.
If we had not been born in the same generation, I couldn't have had any opportunity to talk with him.
"生まれた時代が違ったら彼と話をすることはなかっただろう"
仮定法を使います。
生まれた時代が違ったら （同じ時代に生まれていなかったなら）
If we had not been born in the same generation, I couldn't have talked with him.
If we had not been born in the same generation, I would not have had any opportunity to talk with him.
If we had not been born in the same generation, I couldn't have had any opportunity to talk with him.
"If I had been born in a different time, I probably wouldn't have had the chance to talk to him."
他の言い方：
"Had I been born in a different era, I might not have been able to speak with him."
「別の時代に生まれていたら、彼と話すことはできなかったかもしれません。」
関連する単語とフレーズ：
era 時代
different 異なる
probably たぶん
chance 機会
日本 
アメリカ合衆国 
