Fill in blanks so that sentence means "Tomorrow, I am going to go to the supermarket": "Mañana, __ __ __ al supermercado"

"Mañana, voy a ir al supermercado"You are "going to" do something, indicates plan in the near future--> Informal future tense.Time phrase mañana indicates nearness.How to construct informal future:Conjugate the verb ir according to subject of sentence (yo voy/tú vas/él or ella va) + a + infinitive of verb (jugar/beber/comer)Examples:We are going to go to the beach = Vamos a ir a la playaI am going to eat bread = Voy a comer panShe is going to do her homework = Ella va a hacer sus deberesNote difference between this and:Mañana, iré al supermercado = Tomorrow I will go to the supermarket (indicates promise)Mañana, voy al supermercado = Tomorrow, I'll go to the supermarket (indicates decision, very commonly used in Spanish)