Teresa Oliveira holds a PhD in Portuguese Linguistics from the Universidade NOVA de Lisboa, and is an assistant professor (“professora adjunta”) at the School of Education and Social Sciences of the Polytechnic Institute of Portalegre. She develops research in Semantics, and has presented papers and published scientific articles, particularly in the fields of modality, evidentiality and verbal typologies. She develops teaching activity in courses of teacher training and journalism and communication.