* Cuando ellos subieron al segundo piso, ¡se encontraron en una fiesta de sorpresa para Toño!
Explanation:
Because an action performed in the past tense is being described that does not yet have its definite end, so it is important to identify the person, gender, time and number in the sentence in this way it is possible to correctly conjugate the verb in the sentence and have coherence with what is being expressed.
Mi madre nos (llevó) a ver películas de Disney todos los viernes.
Explanation:
It's confusing because llevaba can be used too in this sentence ,llevaba means something that her mother uses to do and llevó is something that she is doing making it both of them correct.
