The Future Tense of Decaer is used to express actions or states that will happen in the future. For example, Decaeré si no me cuido. (I will decline if I don’t take care of myself.)

Decaer is a regular -er verb, so its Future Tense conjugations follow the typical pattern for this verb type.

Conjugations

Conjugations of Decaer (to decay) in the Future Tense tense (Castilian Spanish):

Decaer generally means to decline, deteriorate or weaken, but has several different meanings in the Future Tense, some of which might surprise you.

To decline or deteriorate: For example, La calidad del producto decaerá si no se mantiene adecuadamente. (The quality of the product will decline if it is not properly maintained.)

To weaken or lose strength: For example, Sus fuerzas decaerán con la edad. (Their strength will weaken with age.)

To lose motivation or enthusiasm (colloquial): For example, Decaeré en mis estudios si no apruebo este examen. (I will lose motivation in my studies if I don’t pass this exam.)

To become discouraged or depressed (colloquial): For example, Decaeré si no consigo ese trabajo. (I will become discouraged if I don’t get that job.)

To fail or perform poorly (rude, slang): For example, Vosotros decaeréis en el examen si no estudiáis. (You all will fail the exam if you don’t study.)

Examples

Examples of Decaer in the Future Tense

Si no te cuidas, decaerás de salud. (If you don’t take care of yourself, you will decline in health.)

Después de las vacaciones, decaerá tu condición física. (After the holidays, your physical condition will decline.)

Si no practicamos, nuestras habilidades decaerán. (If we don’t practice, our skills will decline.)

La economía decaerá si no se toman medidas. (The economy will decline if measures are not taken.)

Me temo que su interés decaerá con el tiempo. (I’m afraid their interest will decline over time.)

Si no invertimos en investigación, decaeremos tecnológicamente. (If we don’t invest in research, we will technologically decline.)

Aunque estudies mucho, tus calificaciones decaerán si no duermes bien. (Even if you study a lot, your grades will decline if you don’t sleep well.)

Si no cuidas tu jardín, las plantas decaerán. (If you don’t take care of your garden, the plants will decline.)

Temo que su motivación decaerá si no ve resultados pronto. (I’m afraid their motivation will decline if they don’t see results soon.)

Si no mantenemos el equipo, su rendimiento decaerá. (If we don’t maintain the equipment, its performance will decline.)

Aunque te esfuerces, tus habilidades decaerán si no practicas regularmente. (Even if you try hard, your skills will decline if you don’t practice regularly.)

Si no cuidas tu salud mental, tu bienestar decaerá. (If you don’t take care of your mental health, your well-being will decline.)

Aunque ahorres, tu riqueza decaerá si no inviertes sabiamente. (Even if you save, your wealth will decline if you don’t invest wisely.)

Si no mantenemos la disciplina, nuestra productividad decaerá. (If we don’t maintain discipline, our productivity will decline.)

Aunque te esfuerces, tu rendimiento decaerá si no descansas lo suficiente. (Even if you try hard, your performance will decline if you don’t rest enough.)

Conjugations with English Translations

Conjugations of Decaer (to decay) in the Future Tense tense (Castilian Spanish) with English Translations:

This post covers Castilian Spanish. For Latin American 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.