The acquisition of inflections in Portuguese: a study of the development of person markers on verbs

Abstract
Longitudinal data on the development of personal inflections in Portuguese are presented. Analysis of the data reveals that, initially, the subjects used a single inflection for all verbs, regardless of the intended subject. The first formal distinction to appear was between verbs bearing the unmarked ending and those inflected for first person singular. Analyses of the acquisition of the standard first person inflections are presented in the form of rules; overgeneralization of these rules is evident, especially in perfect tense verbs. Possible explanations for the use of the third person singular verb form as the unmarked form are discussed.

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