The topic focused on in the present paper is the relationship between dubitative questions (Stivers and Enfield, 2010) and epistemic stance (Heritage, 2012a, 2012b), specifically between polar questions (polar interrogatives, tag and declarative questions) which include a lexical marker of doubt/uncertainty and the questioner’s epistemic position those questions come from. The analysis of this relationship inevitably leads us to take into consideration alternative and wh-questions as well