hubieran peleado
-they/you had fought
Antecopréterito de subjuntivo para el sujeto ellos/ellas/ustedes del verbo pelear.

pelear

Si no le hubiera dicho a papa, nunca hubieran peleado.
If she hadn't told dad, they would never have broken up.
Si no hubieran peleado en serio, no me hubieran servido para practicar.
If they were not serious, it would not be good practice for me.
Palabra del día
el ponche de huevo