Interesarse Present Tense Conjugation in Spanish
The present tense of interesarse — “to be interested in” in English — is the form you need for what happens now, for habits and for general truths. This page gives you the full present conjugation table for interesarse with all six persons, explains exactly how the tense is formed for this verb, shows when to use it with real examples, and finishes with a quiz so you can test yourself. Interesarse means to be interested in something, and it is the reflexive way to say you care about a topic: interesarse por la historia, interesarse en el proyecto. It takes por or en. Note the difference from interesar, which works like gustar: me interesa la historia. To see it in a real sentence: Me intereso por la historia del arte. — “I be interested in art history.”
Present tense conjugation table: interesarse
Every person of interesarse in the present tense. The gerund is interesando and the past participle is interesado.
| Person | Pronoun | Form |
|---|---|---|
| yo | me | intereso |
| tú | te | interesas |
| él/ella/Ud. | se | interesa |
| nosotros/as | nos | interesamos |
| vosotros/as | os | interesáis |
| ellos/ellas/Uds. | se | interesan |
The gerund is interesando, which you use with estar to say what is happening right now: “Estoy interesando” means the action of interesarse is in progress at this very moment. The past participle is interesado, which you use with haber in the perfect tenses: “he interesado” is the present perfect, used for a completed action. Keep both forms in mind as you read the examples below, because the present is only one part of how interesarse is used.
How the present of interesarse is formed
The present of interesarse is built from the stem interes plus the present endings for -ar verbs. Take the infinitive, drop the -ar ending, and add the ending that matches the person. The table below shows the endings, and the full table above shows them attached to the stem.
| Person | Ending | Form |
|---|---|---|
| yo | -o | me intereso |
| tú | -as | te interesas |
| él/ella/Ud. | -a | se interesa |
| nosotros/as | -amos | nos interesamos |
| vosotros/as | -áis | os interesáis |
| ellos/ellas/Uds. | -an | se interesan |
interesarse is a regular -ar verb in the present, so the table above is completely regular. The stem is interes and the endings are the normal -ar endings, so there are no surprises to memorise in this tense — the challenge is only using the forms naturally.
The gerund of interesarse is interesando and the past participle is interesado. Both are the forms you need for the progressive and the perfect tenses with haber.
When to use the present of interesarse
The present is not a single-purpose tense. Below are the five situations where you will use interesarse in the present most often. Each one comes with a real example, so read the rule, then say the example out loud.
1. A routine or habit
The present tense of interesarse is the tense for what happens regularly. When something is part of your routine, your week or your normal life, the present is the right choice, and interesarse is no exception. The time words that go with it are todos los días, cada semana, siempre and a menudo.
Example: “Me intereso por la historia del arte.” — I be interested in art history.
2. A general fact
The present tense also states facts that are true in general, not just today. When you describe what interesarse means in the world — what it does, who it affects, how it works — the present is the tense to use. There is no time limit on the statement, so no past or future form is needed.
Example: “Se interesa en el proyecto nuevo.” — He/she is interested in the new project.
3. Something happening right now
The present tense describes what is happening at this very moment. You do not need the progressive (estar plus the gerund) to say what is going on now: the simple present does the job in Spanish, and it is the more common choice in everyday speech.
Example: “Me intereso mucho por la música.” — I be interested a lot in music.
4. A plan or arrangement
Spanish uses the present tense for plans that are already fixed, especially with a time expression such as mañana or el lunes. When the arrangement is made, the present tense states it as a fact, and interesarse follows the same rule as every other verb.
Example: “Mañana, nosotros nos interesamos por los idiomas desde niño.” — Tomorrow, we be interested in languages since childhood.
5. Asking and answering questions
Questions in the present tense ask about routines, facts and what is happening now. The answer uses the same tense, so a question and its answer stay in the present together. This is the pattern you will hear most often in conversation.
Example: “¿Te interesas en el proyecto nuevo?” — Do you be interested in the new project?
The present vs the preterite: how to choose
The closest tense to the present is the preterite, and choosing between them is one of the first decisions in Spanish. The rule is simple: the present reports what happens now, what happens regularly, or what is generally true, while the preterite reports one finished action in the past. The three pairs below use the same verb, so the only thing that changes is whether the action is happening now or is already finished. Time words help: ahora and todos los días point to the present, while ayer and anoche point to the preterite.
Present: “Me intereso por la historia del arte.” — I be interested in art history.
Preterite: “Me interesé por la historia del arte.” — I was interested in art history.
The present sentence describes what happens now or regularly; the preterite sentence reports one finished action in the past. That difference — now versus finished — is the whole decision.
Present: “Se interesa en el proyecto nuevo.” — He/she is interested in the new project.
Preterite: “Se interesó en el proyecto nuevo.” — He/she was interested in the new project.
The present sentence describes what happens now or regularly; the preterite sentence reports one finished action in the past. That difference — now versus finished — is the whole decision.
Present: “Nos interesamos mucho por la música.” — We be interested a lot in music.
Preterite: “Nos interesamos mucho por la música.” — We was interested a lot in music.
The present sentence describes what happens now or regularly; the preterite sentence reports one finished action in the past. That difference — now versus finished — is the whole decision.
Example sentences: interesarse in the present
Read these eight sentences out loud. They cover all six persons, so by the end you will have seen every form in the table used in a real sentence. Pay attention to the words around the verb — the time expressions, the objects, the other verbs — because those are what make each sentence sound natural.
“Me intereso por la historia del arte.” — I be interested in art history.
“Te interesas en el proyecto nuevo.” — You be interested in the new project.
“Se interesa mucho por la música.” — He/she is interested a lot in music.
“Nos interesamos por los idiomas desde niño.” — We be interested in languages since childhood.
“Os interesáis por la historia del arte.” — You be interested in art history.
“Se interesan en el proyecto nuevo.” — They be interested in the new project.
“Me intereso mucho por la música.” — I be interested a lot in music.
“Se interesa por los idiomas desde niño.” — He/she is interested in languages since childhood.
Common mistakes with interesarse in the present
These are the errors learners actually make with this verb in this tense. Each one shows the wrong version, the right version, and why the correction matters.
Wrong: “Yo interesa por la historia del arte.” Right: “Yo me intereso por la historia del arte.” Why: Yo needs the yo form me intereso. The form interesa belongs with él, ella or Ud.
Wrong: “Yo intereso por la historia del arte.” Right: “Yo me intereso por la historia del arte.” Why: Interesarse is reflexive, so the pronoun me is required before the form. Without it the sentence is incomplete.
Wrong: “Ayer yo me intereso en el proyecto nuevo.” Right: “Ayer yo me interesé en el proyecto nuevo.” Why: The present tense cannot describe a finished action yesterday. Ayer forces the preterite, so the form must change to me interesé.
Wrong: “Ellos se interesa en el proyecto nuevo.” Right: “Ellos se interesan en el proyecto nuevo.” Why: Ellos needs the ellos form se interesan. The singular interesa belongs with él, ella or a singular noun.
Quiz: interesarse in the present
Choose the correct answer for each question, then check the answer key. Every answer is explained, so a wrong answer still teaches you something.
1. Complete the sentence: “Yo ___ por la historia del arte.”
- (a) me intereso
- (b) te interesas
- (c) se interesa
Answer: me intereso — The yo form of interesarse in the present is me intereso.
2. Complete the sentence: “Tú ___ en el proyecto nuevo.”
- (a) me intereso
- (b) se interesa
- (c) te interesas
Answer: te interesas — The tú form of interesarse in the present is te interesas.
3. Complete the sentence: “Él/ella ___ mucho por la música.”
- (a) te interesas
- (b) se interesa
- (c) me intereso
Answer: se interesa — The él/ella form of interesarse in the present is se interesa.
4. Complete the sentence: “Nosotros/as ___ por los idiomas desde niño.”
- (a) nos interesamos
- (b) me intereso
- (c) te interesas
Answer: nos interesamos — The nosotros/as form of interesarse in the present is nos interesamos.
5. Complete the sentence: “Vosotros/as ___ por la historia del arte.”
- (a) me intereso
- (b) te interesas
- (c) os interesáis
Answer: os interesáis — The vosotros/as form of interesarse in the present is os interesáis.
6. Complete the sentence: “Ellos/ellas ___ en el proyecto nuevo.”
- (a) te interesas
- (b) se interesan
- (c) me intereso
Answer: se interesan — The ellos/ellas form of interesarse in the present is se interesan.
7. What does interesarse mean in English?
- (a) to be interested in
- (b) to interest, the gustar-like verb
- (c) to be about
Answer: to be interested in — Interesarse means to be interested in.
8. Which sentence is in the present?
- (a) Me interesé por la historia del arte.
- (b) Me interesaré por la historia del arte.
- (c) Me intereso por la historia del arte.
Answer: Me intereso por la historia del arte. — “Me intereso por la historia del arte.” is in the present. The other two use different tenses.
Frequently asked questions
Is interesarse regular in the present?
Yes. Interesarse is regular in the present: intereso, interesas, interesa, interesamos, interesáis and interesan. Watch the accents on the forms that carry them, and remember that the nosotros form is the one that keeps the stem unchanged.
What is the gerund and the past participle of interesarse?
The gerund is interesando, used with estar for the progressive: estoy interesando. The past participle is interesado, used with haber in the perfect tenses: he interesado.
What should I watch out for with interesarse?
Interesarse takes por or en: me intereso por la historia. Do not confuse it with interesar, where the thing is the subject. In the present, the form to fix in your memory first is intereso, because the yo form shows the stem pattern for the whole tense.
How do I practise interesarse in the present?
Say the six forms in the table out loud with the examples above, then use the interesarse examples and quiz page for more sentences, and the Spanish Verb Quiz to test the forms under pressure.
Related pages
- Full conjugation of interesarse — every tense of interesarse in one place.
- Interesarse examples and quiz — more sentences with interesarse and a ten-question quiz.
- Spanish present guide — how the present works for all Spanish verbs.
- Spanish verbs — the hub for every Spanish verb on VerbFlow.
- Present tense conjugator — conjugate any verb in the present instantly.
- Verb quiz — test yourself on interesarse and other verbs.