basar Present Subjunctive Conjugation
basar — to base
The present subjunctive of basar is regular: base, bases, base, basemos, baséis, basen.
basar Present Subjunctive Forms
When to Use the Present Subjunctive
Use this tense when expressing a wish, doubt, or requirement about what something should be based on (e.g., 'I want you to base it on...').
Notes on basar in the Present Subjunctive
Basar is regular; simply change the 'a' to 'e' for all forms.
Example Sentences
Es importante que bases tu argumento en datos.
It's important that you base your argument on data.
tú
Dudo que ellos basen su teoría en ese estudio.
I doubt they base their theory on that study.
ellos/ellas/ustedes
Busco un libro que se base en la historia de España.
I'm looking for a book that is based on Spanish history.
él/ella/usted
Common Mistakes
Mistake: basas
Correct: bases
Why: Learners often use the indicative 'basas' after 'que' even when a trigger like 'es importante' requires the subjunctive.
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Related Tenses
Present
yo: baso
The present of basar is regular: baso, basas, basa, basamos, basáis, basan.
Preterite
yo: basé
The preterite of basar is regular: basé, basaste, basó, basamos, basasteis, basaron.
Imperfect
yo: basaba
The imperfect of basar is regular: basaba, basabas, basaba, basábamos, basabais, basaban.
Future
yo: basaré
The future of basar is regular: basaré, basarás, basará, basaremos, basaréis, basarán.
Conditional
yo: basaría
The conditional of basar is regular: basaría, basarías, basaría, basaríamos, basaríais, basarían.
Imperfect Subjunctive
yo: basara
The imperfect subjunctive of basar is regular: basara, basaras, basara, basáramos, basarais, basaran.
Affirmative Imperative
yo: basa
The imperative of basar uses basa (tú), basad (vosotros), and subjunctive forms for others.
Negative Imperative
yo: no bases
The negative imperative of basar uses the present subjunctive forms: no bases, no base, no basemos, no baséis, no basen.