queixaven

In a sentence

• Els alumnes es queixaven per la quantitat de tasques.

  The students were complaining about the amount of homework.

  In this context, 'queixaven' is the third person plural of the imperfect tense of 'queixar-se' ('to complain'). It conveys an ongoing or repetitive action that the subject 'els alumnes' (the students) were performing in the past.

• Els gossos es queixaven del soroll constant.

  The dogs were whining because of the constant noise.

  'Queixaven', in this sentence, is used as a description of the dogs' vocal reaction to external stimuli, emphasizing an ongoing past action.

• Vam escoltar com es queixaven durant tota l'estona.

  We heard how they were complaining all the time.

  Here, 'queixaven' refers to the subjects expressing discontent audibly, conveying their repetitive behavior during the specified timeframe in the past.