Como van al cine esta tarde, imagino que luego cenarán en un restaurante.Since they're going to the movies this evening, I imagine they'll have dinner at a restaurant afterward.
Como van siempre andando, me extrañó que se compraran un auto. - Lo usamos solo para hacer la compra.Since you always go by foot, I was surprised when you bought a car. - We just use it to do the shopping.
Como van a la fiesta de cumpleaños de Marga, ¿pueden darle este regalo de mi parte?Since you're going to Marga's birthday party, can you give her this gift from me?