¿No vas a ir al concierto con tus primos? - No. Yo no pude conseguir entrada.Aren't you going to the concert with your cousins? - No. I couldn't get a ticket.
Traté, pero yo no pude convencer a Julián de que me vendiera su parte de la compañía.I tried, but I was unable to convince Julian to sell me his share of the company.