How to Use the Past in Spanish: Preterite vs Imperfect Explained by a Language Coach

One of the biggest turning points in any Spanish learner’s journey is mastering the past tense. As a language coach who helps learners navigate Spanish, I’ve seen how confusing it can be to decide between fui and era, or tenía and tuve.

If you’ve ever paused mid-sentence unsure of which form to use, you’re not alone. The difference between the preterite and the imperfect often feels subtle—but it has a major impact on how natural and accurate your Spanish sounds.

So let’s clarify it together—clearly, simply, and from the perspective of someone who teaches English speakers every day.

Preterite vs Imperfect in Spanish: Two Ways to Travel in Time

Think of the preterite as a camera flash: it captures a single, completed moment in time.

Ayer comí una paella deliciosa.
(Yesterday I ate a delicious paella.)

That moment is done. You started it, lived it, and moved on.

Now, imagine the imperfect as a painting—something ongoing, rich in background, full of context.

Cuando era niño, comía paella todos los domingos.
(When I was a child, I used to eat paella every Sunday.)

Here, we’re not focused on one event. We’re stepping into a memory, lingering there, feeling what life was like.

How to Use the Preterite in Spanish

Use the preterite tense when you want to:

• Talk about an action with a clear beginning and end
  ▶️ Estudié español durante tres años.
  (I studied Spanish for three years.)
• List events that happened one after another
  ▶️ Llegué, saludé y me senté.
  (I arrived, said hi, and sat down.)
• Mark a change or reaction
  ▶️ Me enfadé cuando cancelaron la clase.
  (I got angry when they canceled the class.)

When to Use the Imperfect in Spanish

Use the imperfect tense when you want to:

• Describe what things used to be like
  ▶️ La casa era grande y tenía un jardín hermoso.
  (The house was big and had a beautiful garden.)
• Talk about habits in the past
  ▶️ Siempre íbamos al cine los sábados.
  (We always went to the movies on Saturdays.)
• Set the scene or offer background details
  ▶️ Era de noche y llovía suavemente.
  (It was nighttime and it was softly raining.)
• Express what was happening before it got interrupted by something else
  ▶️ Leía un libro cuando sonó el teléfono.
  (I was reading a book when the phone rang.)

Preterite vs Imperfect: Visualizing the Difference

Let’s use an example to compare:

1. Preterite:

Vivió en Madrid hasta 2018.
(He lived in Madrid until 2018.)
→ One finished event, clearly placed in time.

2. Imperfect:

Vivía en Madrid cuando conoció a su esposa.
(He was living in Madrid when he met his wife.)
→ A background action (vivía) with a specific event (conoció) interrupting it.

The two tenses don’t compete. They collaborate—creating a rich sense of time and place.

Why This Matters (Especially for English Speakers)

In English, we might say:

“I was working when she called.”

It sounds simple enough. But in Spanish, choosing between trabajé and trabajaba changes the meaning—and how your listener imagines the story.

If you use the wrong past tense, your Spanish will just sound “off”—you might accidentally change the timeline of what happened.

And trust me: I’ve seen even intermediate learners fall into the trap of overusing the preterite, especially because it often feels more “familiar.”

The key is practice and awareness, not perfection.

Spanish Past Tense Quick Cheat Sheet

Summary: How to Use the Past Tense in Spanish

• Preterite = What happened. Events. Actions with boundaries.
• Imperfect = What was happening. Habits. Descriptions. Feelings. Flow.

The more you think in stories, the easier it becomes. And here’s a secret: native Spanish speakers mix both tenses all the time. They use them to paint the full picture—just like you will.

Understanding the past in Spanish is a milestone. It unlocks your ability to tell stories, connect with people, and relive beautiful moments—in another language.

So next time you find yourself wondering fui or era… take a pause. Picture the scene. Feel the story. And let the past come to life.

Need help mastering Spanish grammar? Hi, I’m Ainhoa, and I teach language courses designed to help you reach your personal and professional goals—whether you’re aiming to feel more confident in conversation, prep for an exam, or simply connect more deeply with the language. Get in touch by sending me a message! I´ll be happy to help you.