Shakespeare employs four kinds of dialogue in the play: prose, blank verse (unrhymed iambic pentameter), trochaic tetrameter for the witches' chant, and iambic tetrameter for the spurious Hecate scenes.Prose: The Porter's speech in II, 3. E.g. "Marry, sir, nose-painting, sleep and urine. Lechery, sir, it provokes and unprovokes; it provokes the desire, but takes away the performance." The irregular rhythm is very natural sounding since that is the rhythm we actually use in dialogue all the time.Blank Verse: Found throughout the play. At this stage in his career, Shakespeare wrote an extremely irregular blank verse. Occasional regular lines surface: "But screw your courage to the sticking-place." (I,7), "It was for Malcolm and for Donalbain/ To kill their gracious father? Damnéd fact!" (III