verb is change in propertiesone of three options. it It can be an action, an occurrence or state of being. Action is a change in property. for instance, walk is change in positions and posture of the legs over time, that [[cause|causes]] change in location of the body, compare to the ground. Occurrence is switching on observing of the mental object. And state of being is the existing of the [[MO]] in the [[MON]]. properties of [[MO]], It being observed or perceived as existing. it can be action, occurrence or state of being. For instance "the apple appeared". being is