VDeon: Necessity is expressed through the use of an independent word that appears (indirectly or directly) after the verb.
(1) īttən wēra-ɣa jaqə-n waʌ-taɣə mɔ̄s-ʌ.
evening Vera-lat home-loc be-inf must-prs.3sg
‘Vera must be home in the evening.’ (L. N. K.)
In Surgut Khanty, situational necessity is expressed by the word meaning ‘must’, which follows the infinitive of the main verb.