This study proposes an explanatory account for the developmental stages of the acquisition of ser and estar in locative constructions. We propose that this copular distribution is regulated by two aspectual features, "dynamicity" and "temporal boundedness." These features are crucial for the interpretation of nominals such as…

Morphological complexity (MC) is a relatively new construct in second language acquisition (SLA). After critically discussing existing approaches to calculating MC in first- and second-language acquisition research, this article presents a new operationalization of the construct, the Morphological Complexity Index (MCI). The MCI is applied in two…

Describes two grammaticality judgment tasks--one in French and one in English--developed based on differences between the two languages vis-a-vis middle constructions. The tasks were administered to Anglopone and Francophone advanced and very advanced learners of their second language, and to unilingual groups with the same first languages.…