The simple future tense of suponer is used to express what you will suppose or will assume in the future. For example, Supondré que ya has terminado tu tarea. (I will assume that you have already finished your homework.)

Suponer is an e to d stem-changing verb, meaning the e in the verb stem changes to a d in certain conjugations. This pattern applies when conjugating suponer in the simple future tense.

Conjugations

Conjugations of Suponer (to suppose) in the Future Tense tense (Latin American Spanish):

Suponer generally means to assume or suppose something, but has several different meanings in the Future Tense, some of which might surprise you.

To assume or suppose: For example, Supondré que llegarás a tiempo (I will assume that you will arrive on time).

To imply or suggest: For example, Este comentario supondrá que no estás de acuerdo (This comment will imply that you don’t agree).

To hypothesize or theorize: For example, Supondremos que la Tierra es redonda para este cálculo (We will hypothesize that the Earth is round for this calculation).

To expect or anticipate: For example, Supondré que me ayudarás con la mudanza (I will expect that you will help me with the move).

Colloquial usage (rude): For example, ¿Supondrás que soy tonto o qué? (Will you suppose that I’m stupid or what?)

Examples

Examples of Suponer in the Future Tense

Si no llueve mañana, supondremos que podremos ir de excursión. (If it doesn’t rain tomorrow, we will assume that we can go on the hike.)

Para la próxima reunión, supondrás el rol de líder del equipo. (For the next meeting, you will assume the role of team leader.)

Aunque no lo parezca, supondrá un gran esfuerzo terminar el proyecto a tiempo. (Although it may not seem like it, it will take a great effort to finish the project on time.)

Cuando vayamos de vacaciones, supondremos que todo saldrá según lo planeado. (When we go on vacation, we will assume that everything will go according to plan.)

Si ganas la lotería, supondrán que te mudarás a una mansión. (If you win the lottery, they will assume that you will move into a mansion.)

Aunque no lo creas, supondrá un gran cambio en tu vida dejar de fumar. (Although you may not believe it, quitting smoking will be a big change in your life.)

Cuando te gradúes, supondrás más responsabilidades en tu carrera. (When you graduate, you will take on more responsibilities in your career.)

Si no estudias, supondrán que reprobaste el examen. (If you don’t study, they will assume that you failed the exam.)

Aunque cueste creerlo, supondrá un gran reto aprender un nuevo idioma. (Although it may be hard to believe, learning a new language will be a great challenge.)

Cuando tengas hijos, supondrás más responsabilidades en el hogar. (When you have children, you will take on more responsibilities at home.)

Si no te preparas, supondrán que no estás listo para la entrevista de trabajo. (If you don’t prepare, they will assume that you are not ready for the job interview.)

Aunque no lo parezca, supondrá un gran esfuerzo aprender a tocar un instrumento musical. (Although it may not seem like it, learning to play a musical instrument will take a great effort.)

Cuando te cases, supondrás nuevas obligaciones con tu pareja. (When you get married, you will take on new obligations with your partner.)

Si no practicas, supondrán que no estás listo para el partido de fútbol. (If you don’t practice, they will assume that you are not ready for the soccer game.)

Aunque no lo creas, supondrá un gran cambio en tu vida mudarte a otra ciudad. (Although you may not believe it, moving to another city will be a big change in your life.)

Conjugations with English Translations

Conjugations of Suponer (to suppose) in the Future Tense tense (Latin American Spanish) with English Translations:

This post covers Latin American Spanish. For Castilian Spanish, click here

Synonyms

The Future tense is also known as the Simple Future, Future Simple, Future Tense, Future Indicative, or Will Future in English, and as Futuro Simple, Futuro Imperfecto, Tiempo Futuro, Futuro de Indicativo, or Indicativo Futuro in Spanish.