Specifically 

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EXPERIENCE:

-Present Perfect: to introduce your experience informing on what has happened. 

                                                                                  (new information, changes)

-Past simple: to give details about your experience.

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-Past Perfect: to explain the reason why something happened, to specify what happened before a past event.

                     

STORY:

-Past continuous: to describe the background (what was happening around events)

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-Past simple: to explain the series of events in the story.

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-Past Perfect: to explain the reason why something happened, to specify what happened before a past event.

 

And, when telling the story, you will be including what, who, where, when and how it happened.