Futur antérieur - temps du futur ou temps du passé?

A future tense future antérieur can be used to describe probability or an event (moment) prior to sorne other event (moment) in the future, but it rnay also appear in literary or press texts as a summary of past events. The author focuses her attention on the last usage and analyses the context in order to distinguish these elements which allow the reader to locate a given event on the axis of time. At such occasions future antérieur appears in specifie constructions (il aura fallu x temps pour... ), and is used with various adverbials of time, with phrases indicating opposition or conclusion as weil as with adverbsjamais and rarement