Conjugate oscilar in Spanish
to oscillate, to fluctuate
oscilar is a regular -ar verb ranked #697 among the most common Spanish verbs. For example: "Los precios oscilan entre cien y doscientos euros." (The prices fluctuate between one hundred and two hundred euros.). Use the tables below for full conjugation across all 7 tenses.
oscilar — Spanish Conjugation Chart
to oscillate, to fluctuate · -ar verb · regular · conjugado.com
Describes current actions, habits, and general truths. The most frequently used tense — master it first.
| Pronoun | Conjugation |
|---|---|
| yo | oscilo |
| tú | oscilas |
| él/ella/Ud. | oscila |
| nosotros | oscilamos |
| vosotros | osciláis |
| ellos/ellas/Uds. | oscilan |
Los precios oscilan entre cien y doscientos euros.
The prices fluctuate between one hundred and two hundred euros.
Describes completed past actions with a clear start and end. Key signals: ayer, el lunes pasado, de repente.
| Pronoun | Conjugation |
|---|---|
| yo | oscilé |
| tú | oscilaste |
| él/ella/Ud. | osciló |
| nosotros | oscilamos |
| vosotros | oscilasteis |
| ellos/ellas/Uds. | oscilaron |
Ayer yo oscilé.
Yesterday I oscillate, to fluctuate.
Describes habitual past actions, background context, and ongoing states. Key signals: siempre, normalmente, cuando era niño.
| Pronoun | Conjugation |
|---|---|
| yo | oscilaba |
| tú | oscilabas |
| él/ella/Ud. | oscilaba |
| nosotros | oscilábamos |
| vosotros | oscilabais |
| ellos/ellas/Uds. | oscilaban |
El péndulo oscilaba con un ritmo constante.
The pendulum was oscillating with a constant rhythm.
Describes future events and predictions. In everyday speech, ir a + infinitive is often preferred for planned events.
| Pronoun | Conjugation |
|---|---|
| yo | oscilaré |
| tú | oscilarás |
| él/ella/Ud. | oscilará |
| nosotros | oscilaremos |
| vosotros | oscilaréis |
| ellos/ellas/Uds. | oscilarán |
Mañana yo oscilaré.
Tomorrow I will oscillate, to fluctuate.
Expresses what would happen under certain conditions — equivalent to "would" in English. Also used for polite requests.
| Pronoun | Conjugation |
|---|---|
| yo | oscilaría |
| tú | oscilarías |
| él/ella/Ud. | oscilaría |
| nosotros | oscilaríamos |
| vosotros | oscilaríais |
| ellos/ellas/Uds. | oscilarían |
Si pudiera, yo oscilaría.
If I could, I would oscillate, to fluctuate.
Used in clauses expressing wishes, doubt, emotion, or uncertainty — typically after que. Triggers: querer, esperar, dudar, ojalá.
| Pronoun | Conjugation |
|---|---|
| yo | oscile |
| tú | osciles |
| él/ella/Ud. | oscile |
| nosotros | oscilemos |
| vosotros | osciléis |
| ellos/ellas/Uds. | oscilen |
Espero que tú osciles.
I hope that you oscillate, to fluctuate.
Used to give commands and direct requests. Affirmative and negative forms differ significantly in Spanish.
| Pronoun | Conjugation |
|---|---|
| yo | - |
| tú | oscila |
| él/ella/Ud. | oscile |
| nosotros | oscilemos |
| vosotros | oscilad |
| ellos/ellas/Uds. | oscilen |
¡Oscila!
Oscillate, to fluctuate!
Test yourself
Type the correct conjugation for each prompt.
Example sentences
-
Los precios oscilan entre cien y doscientos euros.
The prices fluctuate between one hundred and two hundred euros.
-
El péndulo oscilaba con un ritmo constante.
The pendulum was oscillating with a constant rhythm.
-
La temperatura oscilará mucho durante esta semana.
The temperature will fluctuate a lot during this week.
Common phrases with oscilar
- oscilar entre dos extremos to oscillate between two extremes
- oscilar entre el optimismo y el pesimismo to oscillate between optimism and pessimism
- los valores oscilan constantemente the values fluctuate constantly