interesar Present Conjugation
interesar — to interest
The present of interesar is regular: intereso, interesas, interesa, interesamos, interesáis, interesan.
interesar Present Forms
When to Use the Present
Use the present tense to talk about current interests or general facts. Note that it often functions like 'gustar', where the thing that is interesting is the subject (e.g., 'esto me interesa').
Notes on interesar in the Present
Interesar is a completely regular -ar verb in the present tense. No stem changes or irregular endings occur.
Example Sentences
Ese libro me interesa mucho.
That book interests me a lot.
él/ella/usted
No me interesan tus excusas.
Your excuses don't interest me.
ellos/ellas/ustedes
¿Te interesas por la política?
Are you interested in politics?
tú
Common Mistakes
Mistake: Using 'intereso' when you mean 'I am interested'.
Correct: Me interesa (it interests me) or Estoy interesado.
Why: Learners often translate 'I am interested' literally, but in Spanish, the thing causing interest is usually the subject.
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Related Tenses
Preterite
yo: interesé
The preterite of interesar is regular: interesé, interesaste, interesó, interesamos, interesasteis, interesaron.
Imperfect
yo: interesaba
The imperfect of interesar follows regular -ar patterns: interesaba, interesabas, interesaba, interesábamos, interesabais, interesaban.
Future
yo: interesaré
The future of interesar is regular, adding endings to the infinitive: interesaré, interesarás, interesará...
Conditional
yo: interesaría
The conditional of interesar is regular: interesaría, interesarías, interesaría, interesaríamos, interesaríais, interesarían.
Present Subjunctive
yo: interese
The present subjunctive of interesar uses -e endings: interese, intereses, interese, interesemos, intereséis, interesen.
Imperfect Subjunctive
yo: interesara
The imperfect subjunctive of interesar uses the preterite stem: interesara, interesaras, interesara, interesáramos, interesarais, interesaran.
Affirmative Imperative
yo: interesa
The imperative of interesar uses standard commands: interesa, interese, interesemos, interesad, interesen.
Negative Imperative
yo: intereses
The negative imperative of interesar uses the present subjunctive: no intereses, no interese, no interesemos, no intereséis, no interesen.