This special issue of the "Heritage Language Journal", guest edited by Silvina Montrul, unites four papers on different aspects of heritage Spanish speakers' linguistic abilities. In this commentary, we reexamine these important contributions with an eye toward implications for instruction and toward general trends for the field. In particular, we…

Spanish American plural formation is discussed in relation to attempts that have been made to write a set of phonological rules that would correctly predict the Spanish plural using a combination of phonological rules and word structure constraints. A brief synopsis is resented of why previous attempts to predict the plural are in error.…