EpsDeonV: Epistemic necessity is expressed through the use of verb constructions.

(1) jēt-na pelaki wera jol-n ūl-ti wēr-ǝl ū-l.

evening-loc around Vera home-loc be-prs.ptc thing-3sg be-prs.3sg

‘In the evening, Vera must be at home.’ (the speaker supposes) (S.O.)

In Synja Khanty, the expression ‘somebody has something-doing  thing’ is used to express epistemic necessity (S.O., F.L). The topic requires further research.