After you have a plethora of story frameworks set out, try fitting them to some common Behavioral questions.
Set out a framework, I typically use MS Excel for this.
You dont need to memorize the ‘script’ but you do need to know what to say. Recall the framework and practice it a few times in front of the mirror.
Revisit these often until you can tell the story well.
If have set out an example below.
This framework uses the SARRS acronym in lieu of the common STAR system.