You should try making a chart as so: PRESENT TENSE INDICATIVE FOR CORRER(to run) Yo : corro (I) Tu: corres (You) Usted/el/ella : corre (You/him/her) Nosotros, nosotras : corremos (We) Vosotros, vosotras: corréis (We) Ustedes, ellos, ellas: corren *making a chart like this for each verb you need more help with, would help you to look back at when given questions like that*
preferiría is used for when you would prefer something, while preferirías y preferirían is used for when other people would prefer something, and preferiríamos refers to we, as in we would prefer something. in this case you would prefer to drive so you would use preferiría