Conjugate irregular verbs caber and saber in the simple future in Spanish (El Futuro Simple/Imperfecto)

Written by qualified Spanish expert Inma Sánchez BA

Last updated: 2022-09-27

Saber (to know) and Caber (to fit) are irregular in El Futuro Simple because they have an irregular stem.

Learn how to conjugate saber and caber in El Futuro Simple in Spanish

They are formed by adding the regular endings to their irregular stems:

	saber (to know)	caber (to fit)
yo	sabré	cabré
tú	sabrás	cabrás
él / ella / Ud.	sabrá	cabrá
nosotros	sabremos	cabremos
vosotros	sabréis	cabréis
ellos / ellas / Uds.	sabrán	cabrán

Read and listen to these examples:

¿Crees que cabré aquí?Do you think I will fit in here?

No cabrás en el garage con tantas cosas.You will not fit in the garage with so many things. [you = tú]

No te preocupes, ese sofá grande cabrá en el salón.Don't worry, that big sofa will fit in the living room.

No cabremos todos en el ascensor.We will not all fit in the lift.

Sólo cabréis dos de vosotros en mi coche.Only two of you will fit in my car. [you = vosotros]

3 kilos de manzanas cabrán en mi bolsa.3 kilos of apples will fit in my bag.

No sabré el resultado hasta mañana.I will not know the result until tomorrow.

Tú sabrás mi respuesta en el momento oportuno.You will know my answer at the appropriate moment.

Luisa sabrá la verdad muy pronto.Luisa will know the truth very soon.

¿Sabremos si es la persona correcta?Will we know if she is the right person?

Vosotras sabréis quiénes serán vuestros profesores esta mañana.You will know who your teachers will be this morning.

Ellos sabrán cómo hablar con sus padres.They will know how to speak to his parents.

Vamos, ustedes cabrán en el ascensor.Come on, you will fit in the elevator.

Want to make sure your Spanish sounds confident? We’ll map your knowledge and give you free lessons to focus on your gaps and mistakes. Start your Braimap today »

Learn more about these related Spanish grammar topics

Examples and resources