This dissertation is concerned with the specific relationship between copular sentences and existential sentences, and what about that relationship is responsible for the well-known restrictions on definiteness and predicates that are observed in the existential cases. Instead of starting with the well-known paradigms which illustrate restrictions…

Brazilian Portuguese (henceforth BP) has for long been considered as a Null-subject language due to its variability in regards to subject expression (e.g. "Era bom porque eu diminuia de peso...era muito gordinha" "That was good because then I could lose some weight...(I) was a bit chubby." C33:179). Such variability has been…

Previous accounts of preverbal subjects in Spanish and European Portuguese (EP) in the literature have debated the syntactic position of these elements. According to some analyses, preverbal subjects are canonical arguments appearing in an A-position (e.g. Goodall 2001, 2002; Suner 2003 for Spanish; Duarte 1997; Costa 2004 for EP). Other analyses…