Which verb correctly completes the sentence? Fernando y yo __________ al mercado el domingo pasado.?
Answer : Fernando y yo fuimos al mercado el domingo pasado.
Explanation : The subject is "Fernando y yo", that's plural, so the verb must be conjugated in third plural person. The time expression "el domingo pasado" indicates that the verb must be in the past.
Is that rest of the question? : because I'm willing to help out more but you need to provide more information since all I could do is speculate what you're trying to asked.