Conjugate interesar in Spanish
to interest
interesar is a regular -ar verb ranked #2209 among the most common Spanish verbs. For example: "Me interesa mucho la ciencia." (Science interests me a lot.). Use the tables below for full conjugation across all 7 tenses.
interesar — Spanish Conjugation Chart
to interest · -ar verb · regular · conjugado.com
Describes current actions, habits, and general truths. The most frequently used tense — master it first.
| Pronoun | Conjugation |
|---|---|
| yo | intereso |
| tú | interesas |
| él/ella/Ud. | interesa |
| nosotros | interesamos |
| vosotros | interesáis |
| ellos/ellas/Uds. | interesan |
Me interesa mucho la ciencia.
Science interests me a lot.
Describes completed past actions with a clear start and end. Key signals: ayer, el lunes pasado, de repente.
| Pronoun | Conjugation |
|---|---|
| yo | interesé |
| tú | interesaste |
| él/ella/Ud. | interesó |
| nosotros | interesamos |
| vosotros | interesasteis |
| ellos/ellas/Uds. | interesaron |
Ayer yo interesé.
Yesterday I interest.
Describes habitual past actions, background context, and ongoing states. Key signals: siempre, normalmente, cuando era niño.
| Pronoun | Conjugation |
|---|---|
| yo | interesaba |
| tú | interesabas |
| él/ella/Ud. | interesaba |
| nosotros | interesábamos |
| vosotros | interesabais |
| ellos/ellas/Uds. | interesaban |
Antes yo interesaba con frecuencia.
Before, I used to interest often.
Describes future events and predictions. In everyday speech, ir a + infinitive is often preferred for planned events.
| Pronoun | Conjugation |
|---|---|
| yo | interesaré |
| tú | interesarás |
| él/ella/Ud. | interesará |
| nosotros | interesaremos |
| vosotros | interesaréis |
| ellos/ellas/Uds. | interesarán |
Mañana yo interesaré.
Tomorrow I will interest.
Expresses what would happen under certain conditions — equivalent to "would" in English. Also used for polite requests.
| Pronoun | Conjugation |
|---|---|
| yo | interesaría |
| tú | interesarías |
| él/ella/Ud. | interesaría |
| nosotros | interesaríamos |
| vosotros | interesaríais |
| ellos/ellas/Uds. | interesarían |
Si pudiera, yo interesaría.
If I could, I would interest.
Used in clauses expressing wishes, doubt, emotion, or uncertainty — typically after que. Triggers: querer, esperar, dudar, ojalá.
| Pronoun | Conjugation |
|---|---|
| yo | interese |
| tú | intereses |
| él/ella/Ud. | interese |
| nosotros | interesemos |
| vosotros | interesEis |
| ellos/ellas/Uds. | interesen |
Espero que tú intereses.
I hope that you interest.
Used to give commands and direct requests. Affirmative and negative forms differ significantly in Spanish.
| Pronoun | Conjugation |
|---|---|
| yo | - |
| tú | interesa |
| él/ella/Ud. | interese |
| nosotros | interesemos |
| vosotros | interesad |
| ellos/ellas/Uds. | interesen |
Me interesa mucho la ciencia.
Science interests me a lot.
Test yourself
Type the correct conjugation for each prompt.
Example sentences
-
Me interesa mucho la ciencia.
Science interests me a lot.
-
¿Te interesa aprender más?
Are you interested in learning more?
Common phrases with interesar
- interesarse por algo to be interested in something
- no me interesa I'm not interested