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PhD in linguistics. Postdoctorate studies at Universidade Nova de Lisboa (CLUNL). Assistant professor at Departamento de Letras do Centro de Ciências Aplicadas e Educação da Universidade Federal in Paraíba, Brazil. Professor at Mestrado Profissional em Rede Nacional – PROFLETRAS. Doctoral work and investigation in the following areas: grammar and teaching of the Portuguese language; literacy and writing; linguistic variation and teaching.