Conjugate basar in Spanish
to base, to found
basar is a regular -ar verb ranked #2097 among the most common Spanish verbs. For example: "Basa su argumento en hechos." (He bases his argument on facts.). Use the tables below for full conjugation across all 7 tenses.
basar — Spanish Conjugation Chart
to base, to found · -ar verb · regular · conjugado.com
Describes current actions, habits, and general truths. The most frequently used tense — master it first.
| Pronoun | Conjugation |
|---|---|
| yo | baso |
| tú | basas |
| él/ella/Ud. | basa |
| nosotros | basamos |
| vosotros | basáis |
| ellos/ellas/Uds. | basan |
Basa su argumento en hechos.
He bases his argument on facts.
Describes completed past actions with a clear start and end. Key signals: ayer, el lunes pasado, de repente.
| Pronoun | Conjugation |
|---|---|
| yo | basé |
| tú | basaste |
| él/ella/Ud. | basó |
| nosotros | basamos |
| vosotros | basasteis |
| ellos/ellas/Uds. | basaron |
Ayer yo basé.
Yesterday I base, to found.
Describes habitual past actions, background context, and ongoing states. Key signals: siempre, normalmente, cuando era niño.
| Pronoun | Conjugation |
|---|---|
| yo | basaba |
| tú | basabas |
| él/ella/Ud. | basaba |
| nosotros | basábamos |
| vosotros | basabais |
| ellos/ellas/Uds. | basaban |
Antes yo basaba con frecuencia.
Before, I used to base, to found often.
Describes future events and predictions. In everyday speech, ir a + infinitive is often preferred for planned events.
| Pronoun | Conjugation |
|---|---|
| yo | basaré |
| tú | basarás |
| él/ella/Ud. | basará |
| nosotros | basaremos |
| vosotros | basaréis |
| ellos/ellas/Uds. | basarán |
Mañana yo basaré.
Tomorrow I will base, to found.
Expresses what would happen under certain conditions — equivalent to "would" in English. Also used for polite requests.
| Pronoun | Conjugation |
|---|---|
| yo | basaría |
| tú | basarías |
| él/ella/Ud. | basaría |
| nosotros | basaríamos |
| vosotros | basaríais |
| ellos/ellas/Uds. | basarían |
Si pudiera, yo basaría.
If I could, I would base, to found.
Used in clauses expressing wishes, doubt, emotion, or uncertainty — typically after que. Triggers: querer, esperar, dudar, ojalá.
| Pronoun | Conjugation |
|---|---|
| yo | base |
| tú | bases |
| él/ella/Ud. | base |
| nosotros | basemos |
| vosotros | baséis |
| ellos/ellas/Uds. | basen |
Espero que tú bases.
I hope that you base, to found.
Used to give commands and direct requests. Affirmative and negative forms differ significantly in Spanish.
| Pronoun | Conjugation |
|---|---|
| yo | - |
| tú | basa |
| él/ella/Ud. | base |
| nosotros | basemos |
| vosotros | basad |
| ellos/ellas/Uds. | basen |
Basa su argumento en hechos.
He bases his argument on facts.
Test yourself
Type the correct conjugation for each prompt.
Example sentences
-
Basa su argumento en hechos.
He bases his argument on facts.
-
La película se basa en una novela.
The film is based on a novel.
Common phrases with basar
- basarse en to be based on
- base de datos database