She retired as an Associate Professor at NOVA FCSH in 2010. In addition to teaching at Linguistics Department, she served as chairperson of the Scientific Committee and of the Pedagogical Commission (1996/97/99), and also as Coordinator of the Educational Training Branch (RFE) in Portuguese as foreign language for graduates in linguistics (1997/2006). In the field of research, she has collaborated in projects about teaching/learning in Portuguese, second language, and has directed some Portuguese teams of international projects related to the subject (Sócrates/ LINGUA-L, ONENESS). She participated in projects of constitution of corpora, namely of medieval Portuguese, and elaboration of materials from them. She was president of the Scientific Committee of CLUNL between 2006 and 2010. Currently, in collaboration with Maria Francisca Xavier and João Malaca Casteleiro, she is particularly dedicated to the conclusion of the Project “Dictionary of the Portuguese Medieval Language”.