Towards a Formalization of Tense and Aspect for the Generation of Portuguese Sentences

  • Michel Gagnon
  • Eliana de Mattos Pinto Coelho
  • Roger Antonio Finger
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3960)


In this paper, we present an implemented generator of sentences in Portuguese that takes into account tense and aspect, especially the compound forms with the auxiliaries estar and ser. In Portuguese, the interpretation of the auxiliary estar is very similar to the English auxiliary to be when it is combined with a gerund to produce the progressive form. But it has many different interpretations when combined with a verb in the past participle form. In fact, the aspect system in Portuguese is very complex. It has been studied by many people in an interpretation perspective (see [5, 3]). But if we consider the generation perspective, we did not find any work giving some insight on how to achieve it. Our work is thus a fist step in this direction. After a short introduction of the notion of aspect we adopted, we provide an overall description of our grammar.


Progressive Form Progressive State Preparatory Phase Passive Form Lexical State 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Michel Gagnon
    • 1
  • Eliana de Mattos Pinto Coelho
    • 2
  • Roger Antonio Finger
    • 3
  1. 1.École Polytechnique de MontréalCanada
  2. 2.Université de MontréalCanada
  3. 3.Centro Universitário PositivoBrazil

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