日本語をクリックすると英文が表示されます。まずは自分で英語にしてから答え合わせを。
If I'd known this would happen, I'd have prepared.
There's no point in playing the what-if game.
If it had worked out, I wonder where I'd be now.
If only I could turn back time.
If only I'd been brave back then.
If only I'd just apologized then.
There's no use regretting it now.
If you hadn't shown up, I'd have been done for.
If I'd held out a bit longer, it might have gone differently.
I regret not being more careful.
If only I hadn't made that choice.
That decision was our undoing.