是否可以像在WPF中扩展Style一样扩展ControlTemplate？

So the thing is that I have a main ControlTemplate which defines the most basic stuff for the new button look we're designing. But I want to do 3 other control templates for this button so we can set different colors in those; but I don't want to copy paste the main ControlTemplate and change the color there, instead I want to "inherit" from that (like with the BasedOn property in Style) and change the color in the inherited ControlTemplate.So the thing is that I have a main ControlTempl