would have succeeded
Si hubiera probado una vez más, hubiera tenido éxito.
If I had tried one more time, I would have succeeded.
De no haber sido por tu consejo, yo no hubiera tenido éxito.
If it hadn't been for your advice, I wouldn't have succeeded.
Si se hubiera esforzado un poco más, hubiera tenido éxito.
If he had tried a little harder, he would have succeeded.
Si él hubiera recibido su consejo, él hubiera tenido éxito.
If he had taken their advice, he would have succeeded.