ANSWER:
The storyteller is recounting to the story halfway as he learns it and incompletely as he ponders it. He likewise utilizes the variety in sequential request to keep us considering what Miss Emily may be doing (she is a baffling figure) so there can be portending. Further, the change in sequential request encourages us to concentrate on the prior to the war South and its frames of mind which have caused Miss Emily to feel she ought to be treated with a particular goal in mind. This conviction that she has is differentiated by the conduct of the fresher age.
Key to understanding Faulkner's surrounding of the story with the old chivalric code of the spooky Old South's past with Part I and Part V, is his production of a gothic repulsiveness with the abhorrent subtleties of a past distorted by noblesse oblige and the lost snapshots of youth spoiled with age and unusually recovered in the present. Undoubtedly, Faulkner has organized his story in the request for one of his announcements:
Hence she went from age to age - dear, unpreventable, impenetrable, serene, and unreasonable.
