INTRO: This week, Grammar Lady joins Wordmasters Avi Arditti and Rosanne Skirble, to try to settle an issue of longstanding confusion. Will they succeed? We shall see. MUSIC: "Shall We Dance?"/The King and I AA: These days, most English speakers dance around the traditional distinctions between "shall" and "will. " RS: That's because, unless you arrived here in a time machine from centuries-old southern England, chances are you wouldn't be able to master the arcane rules. AA: But that's not to say people haven't tried. TAPE: CUT ONE - BRUDER "It might have been my grandmother's generation, people made a distinction in the use in the future between `shall' and `will.'" AA: Grammar Lady Mary Bruder says the distinction is when you're talking about what's called the simple future -- "I shall go shopping tomorrow, that's just what I plan to do" -- versus the more emphatic: "I