Manuel Luís Costa has a PhD degree in Linguistics. He is a researcher at Linguistics Research Centre of the Universidade NOVA de Lisboa (CLUNL) and member of the Research Group “Grammar & Text”. His research activities and publications are mainly on Semantics, with particular focus on the semantics of prepositions (aspect, telicity, paths, boundedness and topology). He is a High School teacher at Escola Básica e Secundária Padre Alberto Neto (Queluz).