Answer:They all can be used to describe an emotion or action that is happening in past presense or future etc.
Born March 1, 1810, Żelazowa Wola, near Warsaw, Duchy of Warsaw [now in Poland] [see Researcher’s Note: Chopin’s birth date]—died October 17, 1849, Paris, France), Polish French composer and pianist of the Romantic period, best known for his solo pieces for piano and his piano concerti. Although he wrote little but piano works, many of them brief, Chopin ranks as one of music’s greatest tone poets by reason of his superfine imagination and fastidious craftsmanship.
