Preterite vs Imperfect in Spanish: Complete Guide with Examples

Last Updated on June 1, 2026 by I Love Spanish Club

The preterite vs imperfect is one of the most challenging topics for English speakers learning Spanish — and one of the most important. Both tenses talk about the past, but they describe it in completely different ways. The preterite (pretérito indefinido) describes completed actions, while the imperfect (pretérito imperfecto) describes ongoing or habitual past situations. Once you understand the difference, your Spanish storytelling will transform completely. In this complete guide you’ll learn when and how to use the preterite and imperfect in Spanish — with clear rules, conjugation tables, trigger words, and real examples. ¡Empecemos! (Let’s begin!)

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🎯 The Key Difference — A Simple Way to Think About It

	Preterite (pretérito)	Imperfect (imperfecto)
Used for	Completed actions, specific events	Ongoing states, habits, background
Think of it as	A photograph 📸	A video recording 🎬
Time frame	Specific, completed	Vague, continuous, repeated
English equivalent	“I ate”, “she went”, “we saw”	“I was eating”, “she used to go”, “we would see”

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📐 How to Form the Preterite

Common Irregular Preterite Verbs

Verb	Yo form	Ellos form	English
ser / ir	fui	fueron	was / went (same conjugation!)
tener	tuve	tuvieron	had
estar	estuve	estuvieron	was / were
hacer	hice	hicieron	did / made
poder	pude	pudieron	was able to
querer	quise	quisieron	wanted
venir	vine	vinieron	came
decir	dije	dijeron	said

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📐 How to Form the Imperfect

Great news — the imperfect is one of the most regular tenses in Spanish. Only 3 verbs are truly irregular!

Only 3 Irregular Imperfect Verbs!

Verb	Yo	Tú	Él/Ella	Nosotros	Ellos
ser	era	eras	era	éramos	eran
ir	iba	ibas	iba	íbamos	iban
ver	veía	veías	veía	veíamos	veían

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🔑 Trigger Words — Preterite vs Imperfect

These time expressions are your best clues for which tense to use:

Preterite triggers 📸	Imperfect triggers 🎬
ayer (yesterday)	siempre (always)
anteayer (the day before yesterday)	nunca (never)
la semana pasada (last week)	normalmente (normally)
el año pasado (last year)	generalmente (generally)
una vez (once)	a veces (sometimes)
dos veces (twice)	muchas veces (many times)
de repente (suddenly)	todos los días (every day)
en ese momento (at that moment)	mientras (while)
finalmente (finally)	cuando era niño/a (when I was a child)
ayer por la mañana (yesterday morning)	antes (before / in the past)

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💬 Both Tenses Together — Storytelling in Spanish

In real Spanish stories, the preterite and imperfect work together — the imperfect sets the scene and the preterite tells what happened:

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📋 When to Use Each — Quick Reference

Use PRETERITE for…	Use IMPERFECT for…
Completed actions with clear end	Ongoing past situations (no clear end)
Actions that happened once	Habitual/repeated past actions
A sequence of events	Background/setting in a story
Actions that interrupted something	The action being interrupted
Specific time periods (3 years, 2 days)	Age in the past (tenía 10 años)
Sudden changes	Descriptions of people/places in the past

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🎯 Practice Quiz

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🚀 Practice With a Native Spanish Speaker

The best way to master preterite vs imperfect is to tell stories in Spanish with a native tutor — describe your childhood, a memorable trip, or a funny anecdote!

Or watch Spanish shows with LingoPie — the best way to hear preterite and imperfect used naturally in real stories!

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The preterite vs imperfect is one of the most challenging topics for English speakers learning Spanish — and one of the most important. Both tenses talk about the past, but they describe it in completely different ways. The preterite (pretérito indefinido) describes completed actions, while the imperfect (pretérito imperfecto) describes ongoing or habitual past situations. Once you understand the difference, your Spanish storytelling will transform completely. In this complete guide you’ll learn when and how to use the preterite and imperfect in Spanish — with clear rules, conjugation tables, trigger words, and real examples. ¡Empecemos! (Let’s begin!)

---

🎯 The Key Difference — A Simple Way to Think About It

	Preterite (pretérito)	Imperfect (imperfecto)
Used for	Completed actions, specific events	Ongoing states, habits, background
Think of it as	A photograph 📸	A video recording 🎬
Time frame	Specific, completed	Vague, continuous, repeated
English equivalent	“I ate”, “she went”, “we saw”	“I was eating”, “she used to go”, “we would see”

---

📐 How to Form the Preterite

Common Irregular Preterite Verbs

Verb	Yo form	Ellos form	English
ser / ir	fui	fueron	was / went (same conjugation!)
tener	tuve	tuvieron	had
estar	estuve	estuvieron	was / were
hacer	hice	hicieron	did / made
poder	pude	pudieron	was able to
querer	quise	quisieron	wanted
venir	vine	vinieron	came
decir	dije	dijeron	said

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📐 How to Form the Imperfect

Great news — the imperfect is one of the most regular tenses in Spanish. Only 3 verbs are truly irregular!

Only 3 Irregular Imperfect Verbs!

Verb	Yo	Tú	Él/Ella	Nosotros	Ellos
ser	era	eras	era	éramos	eran
ir	iba	ibas	iba	íbamos	iban
ver	veía	veías	veía	veíamos	veían

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🔑 Trigger Words — Preterite vs Imperfect

These time expressions are your best clues for which tense to use:

Preterite triggers 📸	Imperfect triggers 🎬
ayer (yesterday)	siempre (always)
anteayer (the day before yesterday)	nunca (never)
la semana pasada (last week)	normalmente (normally)
el año pasado (last year)	generalmente (generally)
una vez (once)	a veces (sometimes)
dos veces (twice)	muchas veces (many times)
de repente (suddenly)	todos los días (every day)
en ese momento (at that moment)	mientras (while)
finalmente (finally)	cuando era niño/a (when I was a child)
ayer por la mañana (yesterday morning)	antes (before / in the past)

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💬 Both Tenses Together — Storytelling in Spanish

In real Spanish stories, the preterite and imperfect work together — the imperfect sets the scene and the preterite tells what happened:

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📋 When to Use Each — Quick Reference

Use PRETERITE for…	Use IMPERFECT for…
Completed actions with clear end	Ongoing past situations (no clear end)
Actions that happened once	Habitual/repeated past actions
A sequence of events	Background/setting in a story
Actions that interrupted something	The action being interrupted
Specific time periods (3 years, 2 days)	Age in the past (tenía 10 años)
Sudden changes	Descriptions of people/places in the past

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🎯 Practice Quiz

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🚀 Practice With a Native Spanish Speaker

The best way to master preterite vs imperfect is to tell stories in Spanish with a native tutor — describe your childhood, a memorable trip, or a funny anecdote!

Or watch Spanish shows with LingoPie — the best way to hear preterite and imperfect used naturally in real stories!

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