Final answer:
In the P.A.R.S.E. strategy, 'Predict' is the action where you list theories about future events in a story based on existing information.
Step-by-step explanation:
The action in the P.A.R.S.E. strategy that involves listing theories regarding what could happen, based on information about the narrative or story, is Predict. When you predict, you use the data and narrative elements presented to you to make educated guesses or hypotheses about future events in the narrative. This step is essential for analysis and comprehension of the story as it encourages active engagement with the material and a deeper understanding of the narrative structure and elements.