oscilar Present Conjugation
oscilar — to fluctuate
Use the present tense like 'oscilo' or 'oscilas' for current actions, habits, or general truths.
oscilar Present Forms
When to Use the Present
The present tense works for actions happening right now ('El péndulo oscila'), for habits ('Mi estado de ánimo oscila mucho'), or for general truths ('Los precios suelen oscilar').
Notes on oscilar in the Present
Oscilar is a regular -ar verb in the present indicative. The only slight variation is that the 'yo' form 'oscilo' ends in -o, and the 'tú' form 'oscilas' ends in -as, following standard conjugation.
Example Sentences
Mi humor oscila bastante cuando no duermo bien.
My mood fluctuates quite a bit when I don't sleep well.
él/ella/usted
Ahora mismo, la bolsa oscila.
Right now, the stock market is fluctuating.
él/ella/usted
Oscilamos entre la esperanza y el miedo.
We oscillate between hope and fear.
nosotros
¿Tú oscilas entre dos opiniones?
Do you waver between two opinions?
tú
Common Mistakes
Mistake: Using the present subjunctive instead of indicative for facts, e.g., 'La bolsa oscile'.
Correct: For facts or current actions, use the indicative: 'La bolsa oscila'.
Why: The subjunctive is for doubt, emotion, or hypothetical situations, not for stating facts.
Mistake: Forgetting the 'yo' form ending, writing 'yo oscila'.
Correct: The 'yo' form is 'oscilo'.
Why: Each subject pronoun requires a specific verb ending in the present tense.
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Related Tenses
Preterite
yo: oscilé
The preterite of oscilar is regular: oscilé, oscilaste, osciló, oscilamos, oscilasteis, oscilaron.
Imperfect
yo: oscilaba
Use imperfect forms like 'oscilaba' or 'oscilaban' for ongoing or habitual past actions.
Future
yo: oscilaré
The future tense of oscilar is regular: oscilaré, oscilarás, oscilará, oscilaremos, oscilaréis, oscilarán.
Conditional
yo: oscilaría
Use conditional forms like 'oscilaría' for hypotheticals ('would') or polite requests.
Present Subjunctive
yo: oscile
Use present subjunctive forms like 'oscile' or 'osciles' after expressions of doubt, desire, or emotion.
Imperfect Subjunctive
yo: oscilara
Use imperfect subjunctive forms like 'oscilara' or 'oscilaras' for past wishes, doubts, or hypothetical situations.
Affirmative Imperative
yo: oscila
Use imperative forms like 'oscila' (tú) or 'oscile' (usted) for direct commands.
Negative Imperative
yo: no osciles
Negative commands like 'no osciles' (tú) use the present subjunctive.