filtrar Imperfect Subjunctive Conjugation
filtrar — to filter
The imperfect subjunctive of filtrar (e.g., 'filtrara', 'filtraras') is used for past hypotheticals or polite requests.
filtrar Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
This tense is perfect for talking about hypothetical situations in the past, or making polite requests that might not have happened. For 'filtrar', you might say 'If I had filtered the water...' or 'I would filter the coffee if you asked'.
Notes on filtrar in the Imperfect Subjunctive
Filtrar is regular in the imperfect subjunctive. Both the -ra and -se forms exist, but the -ra form (e.g., filtrara) is more common.
Example Sentences
Si yo filtrara más, tendría menos problemas.
If I filtered more, I would have fewer problems.
yo
Me gustaría que filtraras bien esa información.
I would like you to filter that information well.
tú
Ellos pensaban que yo no filtrara las noticias falsas.
They thought I wouldn't filter the fake news.
yo
Ojalá el sistema filtrara los errores automáticamente.
Hopefully the system would filter errors automatically.
él/ella/usted
Common Mistakes
Mistake: Using the preterite instead of the imperfect subjunctive in 'if' clauses.
Correct: Use the imperfect subjunctive: 'Si filtrara...' not 'Si filtré...'.
Why: Hypothetical or unreal conditions in the past require the imperfect subjunctive.
Mistake: Confusing the -ra and -se forms.
Correct: Both are correct, but -ra is more common. Stick to one form for consistency.
Why: Learners might mix them or be unsure which to use.
Master Spanish verbs in context
Memorizing tables only gets you so far. Read 200+ illustrated and narrated Spanish stories to see verbs like 'filtrar' used naturally — in the tenses you're learning.
Related Tenses
Present
yo: filtro
The present tense of filtrar is regular: filtro, filtras, filtra, filtramos, filtráis, filtran.
Preterite
yo: filtré
Filtrar is regular in the preterite: filtré, filtraste, filtró, filtramos, filtrais, filtraron.
Imperfect
yo: filtraba
The imperfect tense of filtrar is regular: filtraba, filtrabas, filtraba, filtrábamos, filtrabais, filtraban.
Future
yo: filtraré
The future tense of filtrar is regular: filtraré, filtrarás, filtrará, filtraremos, filtraréis, filtrarán.
Conditional
yo: filtraría
The conditional tense of filtrar is regular: filtraría, filtrarías, filtraría, filtraríamos, filtraríais, filtrarían.
Present Subjunctive
yo: filtre
Use 'filtre' (yo/él/ella/usted), 'filtros' (tú), 'filtremos' (nosotros), 'filtren' (ellos/ellas/ustedes) after wishes, doubts, emotions, or impersonal expressions.
Affirmative Imperative
yo: filtra
Use 'filtra' (tú), 'filtre' (usted), 'filtremos' (nosotros), 'filtren' (ustedes), 'filtrad' (vosotros) for direct commands.
Negative Imperative
yo: no filtres
Use 'no filtres' (tú), 'no filtre' (usted), 'no filtremos' (nosotros), 'no filtren' (ustedes), 'no filtréis' (vosotros) for negative commands.