1/forgetting the Spanish translation to a sentence or conjugation, e.g:
conjugate the past simple tense of the verb TO REGRET in the negative form and translate at least one form into Spanish language:
I did not regret.
You did not regret. (tú no te arrepentiste)
2/leaving out one word in a series of words, e.g: August, September, (…), November
3/leaving an exercise unfinished, as in the example following: La tía de Tom no vino a vernos la semana pasada: Tom´s aunt didn´t come to visit us (…)