In Preterit Expansion and Perfect Demise in Porteno Spanish and Beyond, Guro Nore Flogstad offers an original account of the way in which the Preterit category has expanded, at the expense of the Perfect, in Porteno Spanish - a variety spoken in Buenos Aires, Argentina. Through primary sources and a large cross-linguistic sample, Flogstad convincingly shows that the expansion of a Preterit is not rare in the languages of the world. This finding challenges the prevailing view in historical morphosyntax, and especially in usage-based grammaticalization theory, namely the alleged...