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Spanish grammar lessons › Level B2 › The Spanish subjunctive

como si + imperfect subjunctive

As if: como si always takes the imperfect or pluperfect subjunctive, whatever the main verb, plus como si nada and ni que.

Part of the free B2 Spanish course. Press the speaker next to an example to hear it.

Como si means as if or as though. It describes something that is not true, or that the speaker presents as imaginary, so it always takes the subjunctive. Unlike most subjunctive triggers, it ignores the tense of the main verb (Which subjunctive? Sequence of tenses): it is never followed by the present subjunctive.

como si + imperfect subjunctive: at the same time

Use the imperfect subjunctive (The imperfect subjunctive: -ra and -se forms) for an imaginary situation at the same time as the main verb, whether that verb is present, past or future.

  • Habla de la empresa como si fuera suya.He talks about the company as if it were his.
  • Me trató como si no me conociera de nada.She treated me as if she didn't know me at all.
  • Gasta dinero como si fuera millonario.He spends money as if he were a millionaire.
  • Te escucho como si fuera la primera vez.I'm listening to you as if it were the first time.

como si + pluperfect subjunctive: earlier

Use the pluperfect subjunctive (Past hypotheses: si hubiera sabido, habría venido) for an imaginary event before the main verb.

  • Se comporta como si no hubiera pasado nada.He's behaving as if nothing had happened.
  • Me miró como si hubiera visto un fantasma.She looked at me as if she'd seen a ghost.
Main verbcomo si +Example
any tenseimperfect subjunctive (same time)Actúa / Actuaba / Actuará como si tuviera prisa.
any tensepluperfect subjunctive (earlier)Habla / Hablaba como si lo hubiera visto.
neverpresent subjunctivecomo si tenga

Set phrases

Como si nada = as if nothing had happened, without a care.

  • Después de la discusión, siguió trabajando como si nada.After the argument, he carried on working as if nothing had happened.

¡Como si…! on its own is a sarcastic reply: ¡Como si me importara! = As if I cared!

Ni que + imperfect subjunctive is a colloquial exclamation meaning "it's not as if…", used to protest at an exaggerated reaction.

  • ¡Ni que fuera tan difícil!It's not as if it were that hard!

Latin America

Como si works the same everywhere, with -ra forms much more frequent than -se in speech. Ni que is used in Spain and in many Latin American countries.

Common mistakes

  • como si es or como si sea: como si takes only the imperfect or pluperfect subjunctive: como si fuera.
  • Actuaba como si tenía prisa: no indicative after como si: como si tuviera prisa.
  • Using the imperfect subjunctive for an earlier event: Me miró como si viera un fantasma means "as if she were seeing a ghost"; for "as if she had seen" say como si hubiera visto.
  • Translating "like" literally: Habla como él es el jefe. Spanish needs como si + subjunctive: Habla como si fuera el jefe.

Practice

  1. Mi cuñado opina de todo como si _____ experto en todo.
    My brother-in-law gives his opinion on everything as if he were an expert in everything.
    Options: fuera · sea · es · sería
    Show the answer

    fuera — Como si always takes the imperfect (or pluperfect) subjunctive, even after a present main verb.

  2. El ministro respondió como si no _____ (oír) la pregunta.
    The minister answered as if he hadn't heard the question.
    Show the answer

    hubiera oído — An imaginary event before the main verb → como si + pluperfect subjunctive.

  3. Nos habla como si _____ (ser, nosotros) niños.
    She talks to us as if we were children.
    Show the answer

    fuéramos — Nosotros form with its written accent: fuéramos / fuésemos.

  4. Corrieron hacia la salida como si _____ un incendio.
    They ran towards the exit as if there were a fire.
    Options: hubiera · haya · hay · habría
    Show the answer

    hubiera — Hay → hubiera (or hubiese) after como si.

In the app, this lesson is taught one idea at a time with the examples read aloud, followed by questions that explain the rule when you get one wrong. It then comes back for review on later days, until you've answered it correctly on three separate days.