"If they had scored earlier in the second half, then could we have changed our tactics?"
"If the goal had been conceded early in the second half, could we have been more flexible with our strategy?"
"If they had scored earlier in the second half, then could we have changed our tactics?"
"if ~" 「〜たら」
"they had scored" 「彼らが得点した」
"earlier" 「もっと早く」・「より早く」
"in the second half”「後半の」
"could we have changed ~" 「〜変えられたか」
"our tactics" 「戦術」
"If the goal had been conceded early in the second half, could we have been more flexible with our strategy?"
"if the goal had been conceded ~" 「〜失点だったら」
"early in the second half ”「後半開始早々」
"been more flexible" 「柔軟に」
[戦術](https://eikaiwa.dmm.com/uknow/questions/64172/)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。