Carecho, J., Fernandes, A. and Soares, R. 2019. (Im)perfect explanations for Pretérito Perfeito and Imperfeito – didactic suggestions for Portuguese Foreign Language. Indagatio Didactica. 11, 1 (Oct. 2019), 69-86. DOI:https://doi.org/10.34624/id.v11i1.5626.