Verb Ir

Ir in present time
Ir is to go in English:
yo voy
tu vas
el, elle, Ud va
nosotros vamos
ellos, ellas, uds van
Wheather the verb means to go or will be going depend on the context.

Ir in the Future
Ir is also used to express the English equivalent of I am going to followed by the verb that is planned.
Ir + a + infinitive
Voy a slair ahora = I am going to leave now.
As noted in Hispanic you do not usually use the pronoun, since voy for example comes only with yo.
Making question of this sentence is just using some sentence with adding ? at the end in indicate with your voice the intend to put it as question.

Thus here are three values of verb Ir:
1- in present tense one use it in every day activity, no pronoun needed. You need verb ir and the place you going to, you can specify more with mentioning time. So say voy and then add any place from your vocabulary.
2- In the ir + a + infinitive you make clear you plans in the future of any verb (any thing you do). Thus you need voy + a + infinitive of any verb or action you want to do in the future.
3- You can ask about other people plans in the future with same structure of verb ir of the person you are inquiring about and the infinitive or action we will be done.