no sabe si

doesn't know whether

→ no

phrase Uncommon #16,878

doesn't know whether Used to express uncertainty about whether something is true or will happen. The subject and verb can change, such as no sé si (I don't know whether) or no sabemos si (we don't know whether).

SP: Ella no sabe si podrá venir mañana.

EN: She doesn't know whether she’ll be able to come tomorrow.

Tom no sabe si Mary vendrá o no.

Tom doesn't know whether Mary will come or not.

Tom no sabe si nos podrá visitar el próximo lunes.

Tom doesn't know if he'll be able to visit us next Monday.

Tom no sabe si Mary irá a acampar con nosotros o no.

Tom doesn't know whether Mary will go camping with us or not.

Tom no sabe si Mary se acuerda de él.

Tom doesn't know if Mary remembers him.

Tom no sabe si es o no verdad.

Tom doesn't know whether it's true or not.

Tom no sabe si vendrá María.

Tom doesn't know if María will come.

Tom no sabe si Mary lo acompañará mañana o no.

Tom doesn't know whether Mary will accompany him tomorrow or not.

Tom no sabe si Mary vendrá mañana.

Tom doesn't know whether Mary will come tomorrow.

Tom no sabe si le gusta a Mary.

Tom doesn't know if Mary likes him.

Pero no sabe si está feliz o triste por ellos.

But she doesn't know if she's happy or sad for them.

— It's Such a Beautiful Day (2012)

No sabe si está sola.

She doesn't know if she's alone.

Tom no sabe si Mary está viva o muerta.

Tom doesn't know whether Mary is alive or dead.

Tom no sabe si Mary quiere o no ir con nosotros.

Tom doesn't know whether Mary wants to go with us or not.

Tom no sabe si vendrá Mary.

Tom doesn't know if Mary will come.

Tom no sabe si Mary irá a la montaña o a la playa.

Tom doesn't know whether Mary will go to the mountains or the beach.

Tom no sabe si Mary va a venir en auto o en bicicleta.

Tom doesn’t know whether Mary is going to come by car or by bike.

Tom no sabe si es verdad o no.

Tom doesn't know whether it's true or not.

Tom no sabe si vendrá o no.

Tom doesn't know whether he'll come or not.

Tom no sabe si Mary está diciendo la verdad o no.

Tom doesn't know whether Mary is telling the truth or not.

Tom no sabe si Mary lo recuerda.

Tom doesn't know if Mary remembers him.