The verb ir is used as a way to describe future plans when used in the following manner: ir + a + infinitive.  It’s important to remember that you only need to conjugate ir in this kind of sentence. Another way of looking at it is the rule that after a preposition (like a), a verb will always be in the infinitive.

¿Va usted a comer conmigo?

• Yo voy a estudiar esta noche. (I’m going to study tonight.)
• Tú no vas a ganar mucho dinero aquí. (You are not going to earn much money here.)
• Ella no va a comprar el libro. (She’s not going to buy the book.)
• Ustedes van a mirar la tele, ¿verdad? (You all are going to watch TV, right?)

Vocabulario útil para hablar del futuro

• Esta tarde (this afternoon)
• Esta noche (tonight)
• Esta semana (this week)
• Este año (this year)
• Mañana (tomorrow)
• Pasado mañana (the day after tomorrow)
• La semana que viene (next week)
• El próximo año (next year)