Past Progressive The Progressive Past is a verb tense of the past, which is used to talk about the development of an action that took place at a certain time, whose end we do not know or does not matter, as well as to express that an action took place when another interrupted it and finally refer to actions that happened simultaneously. To express in a sentence that an action took place in the past, or actions that were carried out simultaneously, the auxiliary "was / were" must be used, which is the past tense of the verb "To be", which we have already seen in the Past Simple. . In addition, we must use the base of the verb in infinitive and add the ending "-ing". That is, we must use the verb in gerund, with the rules that were already studied in the Progressive Present. El Pasado Progresivo es un tiempo verbal del pasado, el cual se usa para hablar acerca del desarrollo de una acción que transcurría en un tiempo determinado, cuyo fin ...