The phonological inventory of Old Okinawan is often reconstructed according to modern Ryukyuan languages. Although the importance of historical resources is never ignored in the study of Okinawan historical linguistics, reconstruction based on historical sources is not well investigated yet, due to the two reasons that a) authors of previous…

Much of what is known about the acquisition of sociolinguistic competence in second language Spanish is based on studies of English-speaking learners. This body of research has demonstrated common pathways in the acquisition of multiple variable structures, as well as how second language learners come to use (or not) Spanish in linguistically and…