hubierais marchado
-you had walked
Antecopréterito de subjuntivo para el sujeto vosotros del verbo marchar.

marchar

Si me quisierais, no os hubierais marchado, aunque yo os lo hubiera dicho.
If you loved me at all, you never would have left here, even if I did tell you to get out.
Palabra del día
la rebaja