Accepted Manuscript – The version of Record of this Manuscript has been published and is available at: DOI: 10.1075/slcs.133.03cur https://benjamins.com/#catalog/books/slcs.133.03cur/details Citation: Currie, Oliver. 2013. "Gradual Change and Continual variation: The History of a Verb-Initial Construction in Welsh." In Synchrony and Diachrony. A Dynamic Interface., edited by Anna Giacalone Ramat, Caterina Mauri and Piera Molinelli, 43–78. Amsterdam: John Benjamins.