fluir Preterite Conjugation
fluir — to flow
In the preterite, fluir changes 'i' to 'y' in the third person: fluí, fluiste, fluyó, fluimos, fluisteis, fluyeron.
fluir Preterite Forms
When to Use the Preterite
Use the preterite for a specific moment in the past when something flowed once, like water through a pipe or money into an account.
Notes on fluir in the Preterite
The 'i' changes to 'y' in the él/ella and ellos/ellas forms. Also, the 'yo' and 'él' forms require accents to distinguish them.
Example Sentences
El agua fluyó con fuerza tras la lluvia.
The water flowed strongly after the rain.
él/ella/usted
Las palabras fluyeron fácilmente ayer.
The words flowed easily yesterday.
ellos/ellas/ustedes
Fluí con el ritmo de la música toda la noche.
I flowed with the rhythm of the music all night.
yo
Common Mistakes
Mistake: Writing 'fluió' instead of 'fluyó'.
Correct: fluyó
Why: In Spanish, an unstressed 'i' between two vowels must change to a 'y'.
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Related Tenses
Present
yo: fluyo
The present tense adds a 'y' to most forms: fluyo, fluyes, fluye, fluimos, fluís, fluyen.
Imperfect
yo: fluía
The imperfect of fluir is regular: fluía, fluías, fluía, fluíamos, fluíais, fluían.
Future
yo: fluiré
The future tense is regular for fluir: fluiré, fluirás, fluirá, fluiremos, fluiréis, fluirán.
Conditional
yo: fluiría
The conditional is regular for fluir: fluiría, fluirías, fluiría, fluiríamos, fluiríais, fluirían.
Present Subjunctive
yo: fluya
The present subjunctive of fluir features a 'y' spelling change: fluya, fluyas, fluya, fluyamos, fluyáis, fluyan.
Imperfect Subjunctive
yo: fluyera
The imperfect subjunctive uses the 'fluy-' stem: fluyera, fluyeras, fluyera, fluyéramos, fluyerais, fluyeran.
Affirmative Imperative
yo: fluye
The imperative uses 'y' in most forms: fluye (tú), fluya (usted), fluyamos (nosotros), fluid (vosotros), fluyan (ustedes).
Negative Imperative
yo: no fluyas
Negative commands use the present subjunctive forms: no fluyas, no fluya, no fluyamos, no fluyáis, no fluyan.