Prior research has extensively explored audiovisual speech perception and literacy skills in various linguistic contexts. Studies have shown that children's ability to integrate auditory and visual speech cues plays a crucial role in language acquisition and development (Erdener & Burnham, 2013; Lalonde & Werner, 2021). Furthermore,…

Heritage grammars, linguistic varieties emerging in the context of intergenerational language loss, are known to diverge from the corresponding full-fledged baseline varieties in principled and systematic ways, as typically illustrated by errors made by heritage speakers in production. This dissertation examines "covert" restructuring of aspect in…