what is it?
Spanish has two common ways to talk about the future in everyday speech without using the morphological future tense. The first is ir a + infinitive (e.g. voy a estudiar), which works like English «going to» and signals an intention or a plan. The second is the present indicative paired with a future time expression (e.g. mañana salgo temprano), which works like English «I leave tomorrow». Both are far more frequent in spoken Spanish than the morphological future (estudiaré, saldré).
when to use it
Planned intentions: Use ir a + infinitive when you have already decided to do something. The plan exists before the moment of speaking.
Near future events: Use it for things that are about to happen or will happen soon, especially when there is present evidence for the prediction.
Scheduled or fixed events: Use the present indicative + time marker (words like mañana, esta tarde, el lunes) when the event is on a timetable or firmly fixed.
Everyday speech: Both structures are the default choice in conversation. Reserve the morphological future (estudiaré) for formal writing or when expressing uncertainty/probability.
formation
The structure is fixed: a conjugated form of ir + a + infinitive. The infinitive never changes — all person and number information is carried by ir. Note that ir is irregular in the present indicative.
| subject pronoun | ir (present) | fixed link | example with estudiar |
|---|---|---|---|
| yo | voy | a | voy a estudiar |
| tú | vas | a | vas a estudiar |
| él / ella / usted | va | a | va a estudiar |
| nosotros / nosotras | vamos | a | vamos a estudiar |
| vosotros / vosotras | vais | a | vais a estudiar |
| ellos / ellas / ustedes | van | a | van a estudiar |
The preposition a is always required between the conjugated form of ir and the infinitive. It cannot be dropped.
For the present-indicative-plus-time-marker structure, simply use the normal present tense conjugation of any verb and add a time expression such as mañana, esta noche, el lunes. No additional grammar is needed beyond the present tense you already know.
examples in context
common pitfalls
Dropping the preposition a. The preposition is not optional. *voy estudiar is incorrect; the correct form is voy a estudiar. Think of ir a as a fixed two-word unit that always precedes the infinitive.
Using a wrong form of ir. Because ir is irregular, learners sometimes invent forms by analogy. *yo io a estudiar does not exist. The correct first-person singular is voy. Memorise the full paradigm in the table above.
Defaulting to the morphological future. Forms like estudiaré are grammatically correct but sound formal or bookish in everyday conversation. In speech, native speakers overwhelmingly prefer voy a estudiar or mañana estudio. Use the morphological future only when the context clearly calls for it.
Three sentences, graded here. Nothing is saved and no account is needed.
Esta noche el canal de televisión ___ la final del campeonato en directo. (transmitir)
Fill in the blank with the correct form of ir a + the infinitive in parentheses.