Fluctuar means ‘to fluctuate’. It is a regular -ar verb with a spelling change (the stem u takes a written accent when stressed): fluctúo (present), fluctué (preterite), fluctuado (past participle), fluctuando (gerund).
Fluctuar in use
Los precios fluctúan según la demandaPrices fluctuate according to demand
Su estado de ánimo fluctúa muchoHis mood fluctuates a lot
Fluctuar entre valoresTo fluctuate between values
On this pageIndicative
Indicative
Statements of fact, certainty and objective reality
ending the ending you addstem letters that changehaber auxiliary
The other perfect tenses (haber + past participle) and the past subjunctive
The imperfect subjunctive has two forms: -ra (more common in speech) and -se (more formal; still heard in speech in Spain, mainly written in Latin America). Both are equally correct and interchangeable.
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