Memorize ‘Decaer’ Preterite (Past) Tense 10x Faster with Audio (Castilian Spanish)

Memorize “Decaer” conjugations in the Preterite (Past) Tense effortlessly. Our unique loop-based audio helps you absorb verb forms naturally—just like native speakers. Tap to play and start memorizing 10x faster now!

Pro Tip: Play the audio on a loop while reviewing the conjugation chart to naturally absorb the correct forms. Try it now!

Conjugation Chart of “Decaer” (to decline/decay) in the Preterite (Past) Tense

Pronoun Conjugation
Yodecaí
decaíste
Él / Ella / Usteddecayó
Nosotros / Nosotrasdecaímos
Vosotros / Vosotrasdecaísteis
Ellos / Ellas / Ustedesdecayeron

Why Use Loop-Based Learning

  • 🧠 Activates natural language processing in the brain
  • 🔄 Makes conjugations feel automatic
  • 📝 Reduces mental effort compared to rote memorization
  • 💡 Builds fluency through repetition

Unlike traditional methods that rely on memorizing rules and grammar drills, our approach mimics how native speakers naturally acquire language—by hearing patterns repeatedly in context. This activates your brain’s phonological loop, making verb forms feel familiar and automatic.

To learn more about the science behind this technique, read our detailed article: The Neuroscience of Language Learning: How Listening on a Loop Strengthens Your Fluency

Understanding the Preterite (Past) Tense of “Decaer”

The preterite of decaer is used to express when something declined or deteriorated at a specific moment in the past. For example, when you want to say “The economy declined sharply that year” – “La economía decayó bruscamente ese año.”

This is an irregular verb in the preterite tense. Like recaer, it has an irregular stem change to ‘decay-‘ in the third person singular and plural forms.

How to Use Decaer in the Preterite (Past) Tense

The Preterite of decaer indicates completed instances of decline or deterioration.

To decline: Used for specific instances of deterioration or falling, for example Su salud decayó rápidamente (Their health declined rapidly), or Las ventas decayeron en el último trimestre (Sales declined in the last quarter).

To weaken/fade: Describes a specific period of losing strength or intensity, for example Su entusiasmo decayó después del fracaso (Their enthusiasm faded after the failure).

Real Life Examples of Decaer in the Preterite (Past) Tense

Su popularidad decayó después del escándalo. (Their popularity declined after the scandal.)

El imperio decayó gradualmente. (The empire gradually declined.)

Las ventas decayeron durante el verano. (Sales declined during the summer.)

Su ánimo decayó notablemente. (Their spirits noticeably declined.)

La calidad del servicio decayó significativamente. (The service quality declined significantly.)

El interés público decayó rápidamente. (Public interest quickly declined.)

Los estándares decayeron con el tiempo. (Standards declined over time.)

El edificio decayó por falta de mantenimiento. (The building deteriorated due to lack of maintenance.)

La economía decayó durante la crisis. (The economy declined during the crisis.)

Su rendimiento decayó en el último trimestre. (Their performance declined in the last quarter.)

La audiencia decayó después del primer episodio. (The audience declined after the first episode.)

El movimiento cultural decayó en los años 90. (The cultural movement declined in the 90s.)

La producción decayó significativamente. (Production declined significantly.)

Sus fuerzas decayeron con la edad. (Their strength declined with age.)

La civilización antigua decayó lentamente. (The ancient civilization slowly declined.)

Conjugation Chart with English Translations

Conjugations of Decaer (to decline/decay) in the Preterite (Past) Tense (Castilian Spanish) with English Translations:

Spanish English
Yo decaí I declined
Tú decaíste You declined
Él / Ella / Usted decayó He / She / You (formal) declined
Nosotros / Nosotras decaímos We declined
Vosotros / Vosotras decaísteis You all declined
Ellos / Ellas / Ustedes decayeron They / You all (formal) declined

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

Synonyms

The Preterite tense is also known as the Simple Past, Past Simple, Definite Past, Absolute Past, or Past Tense Indicative in English, and as Pretérito Perfecto Simple, Pretérito Indefinido, Pretérito Simple, Pasado Simple, or Pretérito de Indicativo in Spanish.