On the role of pragmatics in child-directed speech for the acquisition of verb morphology

The important role that pragmatics plays in the acquisition of morphology has been hardly studied. In this contribution we focus on the pragmatic strategies of adult caretakers in their reactions to children's early morphological productions in three different languages (French, German, Lithuanian). The most relevant distinction proposed is that between metadiscursive and conversational reactions, i.e. between reactions on linguistic form and on content. In contrast to the latter, the former represent interruptions of the flow of interaction. The distribution of these two types of reactions provides the child with abundant direct and indirect positive and negative evidence about whether his/her preceding morphological production has been well formed or ill formed. Among these reactions, which may consist in reformulations, expansions, and others, we emphasize particularly repetitions and their pragmatic functions and show that they are partially specific to child-directed speech. A special type of young children's morphological productions are bare infinitives. In contrast to their grammar-theoretical accounts in generative studies, we follow a pragmatic approach, based on child-directed speech and caretakers’ reactions, which evidences the caretakers’ tolerance of ambiguity and thus the importance of inferential work in child-adult interactions. Despite great grammatical differences between French, German and Lithuanian, the pragmatic strategies used by caretakers are very similar in quality and quantity.