The construction ir + gerund expresses an action that unfolds gradually, step by step, over time. It captures the sense of something developing, spreading, or changing progressively — not all at once, but little by little. Think of English phrases like "she gradually learned", "it kept getting worse", or "they were picking them off one by one".
This is different from estar + gerundio (which simply says something is happening right now) and from venir + gerundio (which looks back at accumulated experience). Ir + gerundio looks forward: it tracks the unfolding of an action as it moves through time.
Formation
Conjugate ir in any tense and follow it directly with the gerund of the main verb. No preposition is needed.
| Subject | Ir (present) |
|
|---|---|---|
| yo | voy | voy aprendiendo |
| tú | vas | vas entendiendo |
| él/ella/usted | va | va mejorando |
| nosotros | vamos | vamos avanzando |
| ustedes/ellos | van | van cambiando |
El paciente va mejorando poco a poco.
The patient is gradually improving.
Vas a ir entendiendo con el tiempo.
You'll gradually come to understand over time.
The sense of gradual progress
The defining characteristic of ir + gerundio is movement through a process. The action does not happen all at once — it unfolds stage by stage, with the implication that it will continue developing.
Fui aprendiendo a cocinar por necesidad.
I gradually learned to cook out of necessity.
La ciudad fue creciendo hasta convertirse en una metrópolis.
The city gradually grew until it became a metropolis.
Los estudiantes van mejorando a medida que practican.
The students keep improving as they practice.
Ir + gerundio across tenses
This construction is productive in every tense, and the tense of ir determines the time frame of the unfolding.
Present: va + gerund
The process is currently developing. Often paired with poco a poco, cada vez más, or a medida que.
La situación va empeorando cada día.
The situation keeps getting worse every day.
Voy entendiendo mejor cómo funciona esto.
I'm gradually getting a better understanding of how this works.
Preterite: fue + gerund
The process unfolded over a past period and is now complete. This is the most common tense for ir + gerundio and is a staple of narration.
Fue juntando dinero hasta que pudo comprar la casa.
He gradually saved up money until he could buy the house.
La banda fue ganando popularidad a lo largo de los años.
The band gradually gained popularity over the years.
Imperfect: iba + gerund
The process was unfolding at a past reference point, viewed as ongoing or habitual.
Mientras caminaba, iba pensando en lo que le diría.
As he walked, he was thinking about what he would say to her.
La nieve iba cubriendo todo el paisaje.
The snow was gradually covering the entire landscape.
Future and conditional
Less frequent, but perfectly natural for projecting gradual processes into the future.
Irás aprendiendo con la práctica.
You'll gradually learn with practice.
Con el tiempo, irían olvidando lo que pasó.
Over time, they would gradually forget what happened.
A narration favorite
Ir + gerundio is one of the most important tools for narration in Spanish. It conveys the passage of time within a story, showing how situations develop rather than simply stating what happened.
La protagonista fue descubriendo la verdad poco a poco.
The protagonist gradually discovered the truth.
A medida que avanzaba la noche, la tensión iba creciendo.
As the night went on, the tension kept building.
Los invitados fueron llegando uno por uno.
The guests arrived one by one.
That last example is particularly important: ir + gerundio is the standard way to describe things happening one by one or in sequence. Fueron llegando does not mean "they were arriving" (that would be estaban llegando) — it means "they arrived gradually, one after another".
Contrast: ir vs. estar vs. venir + gerundio
| Construction | Perspective | Example | Meaning |
|---|---|---|---|
| estar + gerundio | Snapshot of now | Está aprendiendo español. | She's learning Spanish (right now). |
| ir + gerundio | Forward unfolding | Va aprendiendo español. | She's gradually learning Spanish (step by step). |
| venir + gerundio | Backward accumulation | Viene aprendiendo español desde chica. | She's been learning Spanish since she was little (accumulated over time). |
Estoy leyendo el informe.
I'm reading the report. (in progress right now)
Voy leyendo el informe y tomando notas.
I'm reading through the report and taking notes as I go. (step by step)
The reflexive form: irse + gerund
When ir is reflexive (irse), the meaning shifts slightly. Irse + gerundio often implies that the action is moving away from the speaker or fading out:
Se fue alejando hasta que desapareció.
He gradually moved away until he disappeared.
La música se iba apagando.
The music was gradually fading out.
Se fueron yendo uno por uno.
They left one by one.
The reflexive adds a sense of departure or diminishment, making it a natural fit for things that are fading, departing, or winding down.
Common pairings
Certain verbs pair especially well with this construction because they describe processes that naturally happen gradually:
- mejorar/empeorar — va mejorando (keeps improving), fue empeorando (got progressively worse)
- crecer — fue creciendo (gradually grew)
- aprender — fui aprendiendo (gradually learned)
- acostumbrarse — me fui acostumbrando (gradually got used to)
- cambiar — va cambiando (keeps changing)
- subir/bajar — fue subiendo (gradually went up)
- llegar — fueron llegando (arrived one by one)
- entender — vas entendiendo (you gradually understand)
Common mistakes
Confusing ir + gerundio with ir a + infinitive. These are completely different constructions. Va a estudiar means "she's going to study" (future). Va estudiando means "she's gradually studying / making her way through studying" (progressive unfolding). The preposition a and the verb form after it make all the difference.
Using ir + gerundio for actions that happen all at once. This construction inherently implies gradualness. Don't say fui rompiendo el vaso (I gradually broke the glass) for a single instantaneous event. Use it for processes: fui rompiendo las cartas una por una (I tore up the letters one by one).
Forgetting ir + gerundio in narration. Many learners default to estar + gerundio for everything. But when telling a story about how things developed, ir + gerundio is far more natural and idiomatic. Fue aprendiendo captures "she learned over time" much better than estaba aprendiendo.
In journalism and news
Like venir + gerundio, this construction appears frequently in news reporting to describe developing situations:
El dólar fue subiendo a lo largo de la semana.
The dollar gradually rose over the course of the week.
Las protestas van creciendo en todo el país.
The protests keep growing across the country.
For accumulated experience looking backward, see venir + gerund. For duration with a specific time frame, see llevar + gerund. For the future periphrasis ir a + infinitive, see ir a + infinitive.
Related Topics
- Venir + Gerund (Gradual Accumulation)C1 — Expressing a gradual build-up of experience or evidence over time with venir + gerundio.
- Llevar + Gerund (Have Been Doing For...)B2 — Use llevar + time + gerund to express how long someone has been doing an ongoing action.
- Gerund Usage and RestrictionsB1 — The Spanish gerund describes actions in progress or adverbial manner but cannot be used as an adjective, a noun, or after prepositions.
- Ir + A + InfinitiveA2 — Express the near or planned future with ir + a + infinitive, the most common periphrastic construction in Latin American Spanish.