Spanish draws a sharp line between passive perception (something reaches your senses without effort) and active perception (you direct your attention on purpose). The difference is important: using the wrong verb can make you sound odd or even comical. This page covers the main perception verbs — ver, mirar, oír, escuchar, sentir — and the small grammatical traps that come with them.
ver vs mirar: see vs look at
Ver is passive — it's what happens automatically when you have eyes open and light in the room. Mirar is active — you're choosing to direct your gaze at something.
Both sentences involve the dog and my eyes, but the first is a perception ("the dog registered in my sight") and the second is an action ("I directed my gaze").
With television and movies, Spanish uses ver, not mirar:
Vi una película muy buena anoche.
I watched a very good movie last night.
oír vs escuchar: hear vs listen
The parallel distinction for hearing: oír is passive (sound reaches your ears), escuchar is active (you're paying attention).
Oí un ruido en la cocina.
I heard a noise in the kitchen.
Escuché la conferencia con mucho interés.
I listened to the lecture with great interest.
Music uses escuchar when you're paying attention, which is most of the time:
Estoy escuchando música clásica.
I'm listening to classical music.
A noteworthy shift in Latin American Spanish: escuchar is increasingly used in contexts where older textbooks would insist on oír. It's now common to hear:
Purists would say no te oigo, but in everyday speech no te escucho is everywhere, especially on phone calls. Both are accepted.
sentir: physical feeling and sensing
Sentir covers physical sensations (pain, cold, hunger) and intuitive sensing (feeling that something is true).
Siento frío, ¿puedes cerrar la ventana?
I feel cold, can you close the window?
Sentí que algo no estaba bien.
I felt that something wasn't right.
Siento un dolor en la espalda.
I feel a pain in my back.
Notice the pattern: sentir takes a direct object (or a que clause). It's transitive.
Sentir also means "to be sorry" in expressions like lo siento (I'm sorry) or siento mucho tu pérdida (I'm very sorry for your loss).
sentirse: emotional feeling
The reflexive form sentirse is used for emotional or subjective states. It's followed by an adjective, never a noun.
Me siento triste hoy.
I feel sad today.
Mi abuela no se siente bien.
My grandmother doesn't feel well.
Nos sentimos muy afortunados.
We feel very fortunate.
The contrast to remember: sentir + noun/que-clause, sentirse + adjective. Siento frío (I feel cold, physical), me siento mal (I feel bad, emotional/subjective).
Perception verbs + direct object + infinitive/gerund
One of the most elegant constructions in Spanish is perception verb + direct object + infinitive or gerund to describe witnessing an action.
La vi llegar.
I saw her arrive.
La oí cantar en la ducha.
I heard her singing in the shower.
Los sentí entrar por la puerta de atrás.
I felt them come in through the back door.
The infinitive version describes the event as a whole: la vi llegar = I saw her arrival. The gerund version emphasizes the action in progress:
La vi llegando al edificio.
I saw her arriving at the building.
Los oí discutiendo en el jardín.
I heard them arguing in the garden.
Both forms are correct. The infinitive is more common for completed or framed events; the gerund is more common for actions you caught mid-progress.
Oler (to smell)
Oler (to smell) has two uses. Transitive oler means to smell something actively (perceiving its scent).
Olí las flores en el jardín.
I smelled the flowers in the garden.
Oler a + noun means "to smell like."
La cocina huele a pan recién horneado.
The kitchen smells like freshly baked bread.
Este perfume huele a jazmín.
This perfume smells like jasmine.
Don't forget the a: it's oler a pan, not oler pan. And note that oler is a stem-changing verb (huelo, hueles, huele...).
Table: Passive vs active perception
| Sense | Passive (reaches you) | Active (you focus) |
|---|---|---|
| sight | ver | mirar |
| hearing | oír | escuchar |
| feeling | sentir | tocar (touch) |
| smell | oler a | oler |
| taste | saber a | probar |
Saber a + noun means "to taste like," parallel to oler a.
Esta salsa sabe a limón.
This sauce tastes like lemon.
Probar means "to taste" actively, as in trying a food.
Prueba esta sopa; está deliciosa.
Try this soup; it's delicious.
Common errors
Using mirar for TV:
Correcto: Estoy viendo un partido de fútbol.
Correct: I'm watching a soccer game.
Error: Estoy mirando un partido de fútbol. ❌
Wrong: Estoy mirando un partido de fútbol.
In Latin America, ver is standard for watching TV, movies, and shows. Mirar in this context sounds odd.
Adding an extra a with mirar la televisión:
Correcto: Veo la televisión.
Correct: I watch TV.
Error: Miro a la televisión. ❌
Wrong: Miro a la televisión.
Mirar doesn't take a before an object (unless that object is a person, via the personal a). Miro la televisión would mean "I stare at the TV," and is still awkward.
Confusing sentir and sentirse:
Correcto: Me siento cansado.
Correct: I feel tired.
Error: Siento cansado. ❌
Wrong: Siento cansado.
With an adjective describing your own state, you need the reflexive sentirse.
Forgetting the a in oler a:
Correcto: Huele a café.
Correct: It smells like coffee.
Error: Huele café. ❌ (means 'smells coffee' actively)
Wrong: Huele café.
Why the active/passive split matters
In English, see and look (or hear and listen) are easily interchanged in casual speech. Spanish treats them more carefully — they represent different actions, not different shades. Once you build the instinct for which verb to use, your Spanish will feel a lot less translated and a lot more native.
Perception verbs also appear constantly in narrative: stories are built on what characters see, hear, and feel. Getting these verbs right opens the door to natural storytelling in Spanish, which is where the real fun begins.
Related Topics
- Verbs of MotionA2 — Ir, venir, salir, entrar, subir, bajar — and the small differences that trip English speakers up
- Verbs of Thought (Creer, Pensar, Saber, Conocer, Entender)B1 — Spanish verbs of thinking and knowing, and the fine lines between them
- Gerund FormationA2 — Build the Spanish gerund by adding -ando to -ar verbs and -iendo to -er and -ir verbs, always invariable.