hubieran insistido
-they/you had insisted
Antecopréterito de subjuntivo para el sujeto ellos/ellas/ustedes del verbo insistir.

insistir

Si no hubieran insistido, nunca habría contratado a un boxeador.
Master's wishes or not, I would've never hired a boxer.
De haber sido luchadores serios hubieran insistido en que no había nada que negociar desde un principio.
Serious fighters would have insisted that there was nothing to negotiate from the beginning.
Si no fuera porque se les negó el acceso a la información en un momento determinado, probablemente no hubieran insistido tanto en el problema.
If it were not for the fact that access to information at a particular point in time had been denied them, they probably would not have insisted so much on the problem.
Palabra del día
el higo