How to Say “Be Sure That” in Spanish

asegúrate de que
/aseɡuɾate de ke/from spelling rules
The English phrase "be sure that" is translated into Spanish as asegúrate de que.
This phrase is used to instruct or tell someone to make certain that a specific action occurs or that a certain condition is true.

How does it change in a sentence?

The default form asegúrate de que uses the informal tú imperative. To address someone formally using the usted form, you should use Asegúrese de que.

How do you pronounce it?

/aseɡuɾate de ke/

What mistakes should you avoid?

English speakers often mistakenly omit the preposition de and say asegúrate que instead of the correct asegúrate de que. Always include the de to be grammatically accurate.

Did you know?

  • While asegúrate de que is the standard way to say 'be sure that', the word asegurar is also the exact same verb used to describe 'insuring' a car or a house with an insurance company.
  • The phrase asegúrate de que triggers the use of the subjunctive mood, a grammatical feature where the verb changes to express doubt or desire rather than a proven fact.
  • In some social contexts, saying asegúrate de que can shift from a helpful reminder to a veiled threat or a stern warning depending entirely on the speaker's tone.

Examples in context

  • Asegúrese de que la presentación esté lista para mañana.
    Be sure that the presentation is ready for tomorrow.
  • Verifique que todas las respuestas sean correctas antes de entregar el examen.
    Be sure that all answers are correct before submitting the exam.
  • Asegúrate de que no te olvides de comprar leche en el supermercado.
    Be sure that you don't forget to buy milk at the supermarket.
  • Asegúrate de que la puerta esté cerrada.
    Be sure that the door is closed.
  • Asegúrate de que el bebé esté dormido.
    Be sure that the baby is asleep.

Example conversation

Daniel and Lucía are leaving the house for a trip.

  1. Daniel

    Asegúrate de que todas las luces estén apagadas.
    Be sure that all the lights are turned off.
  2. Lucía

    Sí, ya revisé todo.
    Yes, I already checked everything.
  3. Daniel

    ¿Estás segura de que no olvidamos nada?
    Are you sure that we didn't forget anything?
  4. Lucía

    Creo que lo tenemos todo.
    I think we have everything.

Sources

  • IPA marked “from spelling rules” is derived from standard Spanish spelling, where Wiktionary gives none.
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Bobby Chase
Bobby ChaseHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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