You are supposed to + Verb (... tura beisei / ngaihruat i ni.)
Entirna:
English - You are supposed to avoid that flirtatious girl.
Mizo - Kha nula par-tin-lawr-lepler-i kha hnawmhnawih lo tura rin i ni.
English – You are supposed to agree with me.
Mizo - Min thlawp (tawmpui) tura ngaihruat i ni.