How to Say "might be" in Spanish
The Spanish word for “might be” is “estuviese” — C1 level.

Examples
Si yo estuviese en casa, podría ayudarte ahora.
If I were at home, I could help you now.
Esperaba que el paquete estuviese listo para la entrega.
I hoped that the package was ready for delivery.
Era necesario que él estuviese presente en la reunión.
It was necessary that he be present at the meeting.
The Past Subjunctive
This form ('estuviese') is used when the main part of the sentence describes a past emotion, doubt, or wish, and the second part (the clause with 'estuviese') describes the state or location that was doubted or wished for.
Conditional Sentences
You use 'estuviese' (or 'estuviera') in the 'if' part of a hypothetical sentence: 'Si yo estuviese rico...' (If I were rich...). It often pairs with the conditional tense ('compraría').
Using the Past Indicative
Mistake: “Dudaba que la llave estaba en la mesa.”
Correction: Dudaba que la llave estuviese en la mesa. (When expressing doubt or uncertainty about a past action, Spanish requires this special verb form, not the simple past 'estaba'.)
Related Translations
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