Easy Spanish easy points :))

Your best friend paul tells you that his father wants to cook panamanian ceviche, but he is missing one ingredient. how can you ask what he wants? ? usted prefiere la cebolla? ? usted quiere la cebolla? ? usted tiene la limonada? ? usted quiere la limonada?

Can someone me to find the right verbs and conjugations in spanish?

Is anyone able to ? i am so confused. this sheet is about irregular preterit verbs and direct object pronouns in spanish.