The Crimean war has long-since been forgotten.
I don't know why he asked me to do that, when I had long since finished it.
It.d been too long since he.d felt such strong emotion, and it caught him off guard.
It had been too long since he recited them; five summers had passed since he was freed from the underground.
Had it been that long since she talked to Mary?
She'd long since forgiven him for cheating on her.
He'd long since suspected one of them was working with Sasha, but it wasn't him.