The relation between the categoricity and non-categoricity of verbal behaviour can be investigated through the opposition of their emotional or, rather, sensual, components – certainty and uncertainty phenomena, which are analyzed in terms of prototypical scenario. A feeling of uncertainty arises as a reaction to such basic emotions as fright and shame – social fears of a personal nature and displays person’s inability to fight them. A feeling of certainty, in its turn, is a capability of a person to control negative emotions and to return to a stable emotional state. Certainty and uncertainty phenomena are realized on all levels of linguistic system, the means of their linguistic representation are, respectively, categorical and non-categorical statements
