Memorize “Convertir” 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 “Convertir” (to convert) in the Preterite (Past) Tense

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 “Convertir”

The preterite of convertir is used to express when something was converted or transformed at a specific moment in the past. For example, “The company converted the old factory into apartments” – “La empresa convirtió la fábrica vieja en apartamentos.”

This verb follows the e to i stem-changing pattern in the preterite, but only in the third person forms (convirtió, convirtieron). The other forms maintain the regular stem.

How to Use Convertir in the Preterite (Past) Tense

The Preterite of convertir indicates completed transformations or conversions.

To convert/transform: Describes specific instances of changing from one form to another, for example Convirtió el garaje en un estudio (He converted the garage into a studio), or Convirtieron la idea en realidad (They turned the idea into reality).

To change into: Used for transformations, for example El príncipe se convirtió en rana (The prince turned into a frog).

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

El príncipe se convirtió en rana. (The prince turned into a frog.)

La empresa se convirtió en líder del mercado. (The company became the market leader.)

Convertí los euros a dólares. (I converted the euros to dollars.)

El garaje se convirtió en un estudio de arte. (The garage was converted into an art studio.)

Convertiste el problema en una oportunidad. (You turned the problem into an opportunity.)

La ciudad se convirtió en un destino turístico. (The city became a tourist destination.)

Convertimos la casa vieja en un restaurante. (We converted the old house into a restaurant.)

El agua se convirtió en hielo. (The water turned into ice.)

Convirtieron el sótano en una sala de juegos. (They converted the basement into a game room.)

La película se convirtió en un clásico. (The movie became a classic.)

Convertí el documento a PDF. (I converted the document to PDF.)

El sueño se convirtió en realidad. (The dream became reality.)

Convertiste la receta en algo especial. (You turned the recipe into something special.)

Se convirtieron en buenos amigos. (They became good friends.)

Convertimos la terraza en un jardín. (We converted the terrace into a garden.)

Conjugation Chart with English Translations

Conjugations of Convertir (to convert) in the Preterite (Past) Tense (Castilian Spanish) with English Translations:

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.