Strictly Talking, "I like you most" is just not pure English, but I have claimed it some moments to my wife, for enjoyment :) Andrew So,according to my being familiar with, based on the Verb in the sentence, i should use best/the best/ most/quite possibly the most Not interchangibly.or else, https://maps.app.goo.gl/2KapUWozFCNPL7AG6