(1) chronological order: that is, written in chronological order. The plot develops clearly and has distinct levels.
(2) Flashback: the method of presenting some subsequent plots or endings first, not in chronological order, and then in order. Arouse suspense and infatuation.
(3) Insert: In the process of narrating the central event, temporarily interrupt the narrative clue and insert a memory or story related to the main plot. Make necessary supplementary explanations for the main plot or central event to make the plot more complete, the structure more rigorous and the content more substantial.