Frontmatter -- Contents -- Foreword -- Child and adult language acquisition, linguistic theory and (microparametric) variation -- Part 1 - First Language Acquisition -- Bootstrapping language acquisition from a minimalist standpoint: On the identification of ϕ-features in Brazilian Portuguese -- Clitic omission in the acquisition of European Portuguese: Data from comprehension -- Speculations about the acquisition of wh-questions in Brazilian Portuguese -- Aspect and the acquisition of null objects in Brazilian Portuguese -- Acquisition of Brazilian Portuguese in late childhood: Implications for syntactic theory and language change -- Early VP ellipsis: Production and comprehension evidence -- Part 2 - Adult and Second Language Acquisition -- Informing adult acquisition debates: N-Drop at the initial state of L3 Brazilian Portuguese -- Divergence at the syntax-discourse interface: Evidence from the L2 acquisition of contrastive focus in European Portuguese -- Competing SLA hypotheses assessed: Comparing heritage and successive Spanish bilinguals of L3 Brazilian Portuguese -- Brazilian Portuguese and the recovery of lost clitics through schooling -- The acquisition of clitic pronouns in L2 European Portuguese -- Subject expression in the non-native acquisition of Brazilian Portuguese -- Afterword -- Backmatter