Si clauses

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Si clauses

Sentences with si (if) express a condition or hypothetical situation. The tense used after si changes depending on whether the condition is possible, probable, or unreal.

  • Real or possible condition: Si + present indicative, + present, future or imperative

Si tengo tiempo, voy al gimnasio (presente)

If I have time, I go to the gym (present tense)

Si tengo tiempo, iré al gimnasio (futuro)

If I have time, I’ll go to the gym (future tense)

Si tienes tiempo, ve al gimnasio (imperativo)

If you have time, go to the gym (imperative)

  • Probable or unrealistic condition: Si + imperfect subjunctive, + conditional simple

Si tuviera coche, te llevaría al aeropuerto.

If I had a car, I’d take you to the airport.

  • Unreal or impossible conditions: Si + past perfect subjunctive, + conditional simple or conditional perfect

Si hubiera vivido en Alemania, sabría hablar alemán. (condicional simple)

If I had lived in Germany, I would speak German. (conditional simple)

Si hubiese sido millonaria, habría viajado por todo el mundo. (condicional compuesto)

If I had been a millionaire, I would have traveled all over the world. (conditional perfect)

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