For the sentence to be grammatically correct, the verbs must be conjugated in the preterite tense as follows:
The preterite tense is a verb tense that is used to describe actions that occurred prior to the moment of enunciation.
The sentence "Mi padre y yo quitamos las cortinas y limpiamos las ventanas", describes actions performed in the past.
Therefore, we can conclude that the preterite tense is a verb tense that states an action that occurred in the past.
Learn more about the preterite tense here: https://brainly.com/question/18618227