Is ‘Todos Los Dias’ Preterite or Imperfect? | Pick The Tense

If you’re staring at a sentence with todos los días and asking, “Is ‘Todos Los Dias’ Preterite or Imperfect?”, you’re asking the right question, just aimed at the wrong target. The phrase doesn’t carry tense. Your verb does. Most of the time, todos los días pairs with the imperfect because it talks about a routine in the past. The preterite can work when the speaker treats the whole “every day” stretch as a finished chapter.

Here’s the payoff: you can pick the tense in seconds once you know what the speaker is doing with time. Are they painting a repeated habit, with no clear edges? That points to imperfect. Are they wrapping up a set period, like a trip or a training plan, and viewing it as done? That can point to preterite.

Two quick samples help you feel the difference:

• Todos los días iba al mercado. (A past routine)
• Durante un mes, todos los días fui al mercado. (A finished month, told as a completed block)

What ‘Todos Los Días’ Means In Spanish

Todos los días means “every day.” It’s a time phrase. It can show up with present tense, past tense, later time reference, commands, or even infinitives. It doesn’t decide your verb form on its own.

You’ll often see it written with an accent: días. That accent marks the stress and separates it from dias, which is a different word form tied to the verb diar in older or specialized use. In everyday Spanish, “every day” is todos los días.

Why This Phrase Triggers The Tense Question

English uses “every day” with a simple past and calls it done: “I walked every day.” Spanish forces you to show how you view that past action. Was it a habit with a loose timeline? Or was it a set run of finished, countable events? That’s why learners bump into todos los días and freeze.

One more detail that helps: Spanish often treats repeated actions as a single habit, not as a pile of separate events. That habit reading lines up with imperfect. When the speaker wants you to picture each repetition as a completed hit, or to mark the whole span as finished, preterite becomes a natural pick.

Preterite Vs Imperfect: What Each Tense Signals

Spanish has two main simple past tenses for most day-to-day writing: the preterite (pretérito perfecto simple, also called indefinido in many classes) and the imperfect (pretérito imperfecto). Both point to past time, but they frame that past in different ways.

The Real Academia Española describes the preterite as a past form that presents the situation as finished, and it contrasts it with the imperfect, which presents it without pointing to its end. You can read that contrast in the RAE grammar glossary entry on the pretérito perfecto simple.

If you want a learner-friendly view with lots of sample sentences, the University of Texas at Austin has a clear lesson on preterite vs imperfect. It lays out the same idea: preterite tells past actions as completed, while imperfect tells ongoing past states, habits, and background.

Preterite In One Line

Use preterite when you’re telling the past as a finished action or a finished series.

• A single completed action: Llegué a las ocho.
• A chain of events: Entré, vi la carta y salí.
• A start or end point: Empezó a llover.

Imperfect In One Line

Use imperfect when you’re describing a past habit, a past state, or background that was in progress.

• A routine: Cuando era niño, iba al parque.
• A past description: La casa era vieja y oscura.
• Something in progress: Leía cuando sonó el teléfono.

Using ‘Todos Los Días’ With Preterite Or Imperfect In Real Sentences

This is where the confusion lands. Todos los días often introduces repetition, and repetition often sounds like a habit. Habits and background usually pull you toward imperfect. That’s why learners hear a lot of sentences like Todos los días estudiaba and Todos los días iba.

But you’ll also meet sentences like Durante el curso, todos los días estudié. The speaker is not claiming the phrase changed tense. They’re framing the full period (the course) as finished, and each day’s study as part of a completed block.

When Imperfect Fits Better

Pick imperfect when the sentence paints a routine with no clear edges, or when you’re setting the scene. If the sentence answers “What did you use to do?” or “What was your normal pattern?”, imperfect will feel right.

• Todos los días caminaba al trabajo.
• En esa época, todos los días comíamos juntos.
• Todos los días me despertaba temprano.

Notice what these sentences don’t do. They don’t close the time period. They don’t point to a start date or end date. They just describe the pattern.

When Preterite Fits Better

Pick preterite when you treat the repeated action as a completed run, tied to a closed time frame. This often shows up with a time box, like a trip, a contract, a treatment plan, a boot camp, or a month you’ve already finished.

• Durante dos semanas, todos los días corrí cinco kilómetros.
• En mis vacaciones, todos los días visité un museo.
• Ese verano, todos los días llamé a mi abuela.

These sentences feel like a report of finished actions inside a finished period. The repetition is real, but the story treats it as done.

You might hear another preterite use in storytelling. A narrator can use preterite with todos los días to mark each day as a repeated, completed event in a chain, like diary entries. It’s less about “habit background” and more about “what happened each day.”

Clues That Push Toward One Tense

Todos los días can behave like a flashlight. It shines on repetition, but it doesn’t decide whether that repetition is a “habit background” or a “finished report.” Your sentence gives that away in other places.

Look for two kinds of signals:

• Open time language: words that feel like “back then” or “when I was…”. That leans imperfect.
• Closed time language: a span with edges, like “for two weeks” or “that summer.” That leans preterite.

Some speakers bend the rule for style, or because they want to zoom in on each repetition as a separate hit. That’s normal. Still, these cues will get you the right choice in most everyday sentences.

Clue In The Sentence	Often Fits	What The Speaker Is Doing
Todos los días + “cuando era…”	Imperfect	Past habit with no firm edges
Todos los días + “en esa época”	Imperfect	Routine placed in a loose past period
Todos los días + “durante X días/semanas/meses”	Preterite	Finished time box, told as a closed block
Todos los días + “ese verano/aquel año”	Preterite	Completed season or year, reported after it ended
Todos los días + numbered output	Preterite	Each repetition counted as a finished event
Todos los días + background description	Imperfect	Scene-setting while another action happens
Todos los días + “hasta que” change point	Imperfect	Habit in progress up to a turning moment
Todos los días + story chain of actions	Preterite	Daily events told as separate completed steps
Todos los días + “soler” (used to)	Imperfect	Routine phrased as a repeated tendency

Don’t read that table as a set of hard bans. It’s a set of strong hints. If you write a sentence that breaks one of the rows, it can still be fine if your meaning stays clear.

Decision Steps To Pick The Right Past Tense

When you see todos los días, don’t jump straight to a tense. Start with meaning. These steps keep you honest.

1. Ask if the time period has edges. If the sentence names a finished span (a month, that summer, during the course), preterite becomes a strong option.
2. Ask if the speaker is describing a routine. If it reads like “used to,” imperfect will sound natural.
3. Check for a turning point. Phrases like hasta que, de repente, or a single interrupting action often pair with imperfect for the background and preterite for the interruption.
4. Watch for counting. If the sentence counts repetitions or results, it often treats each repetition as a finished event, which fits preterite well.
5. Read it aloud in English, then restate it as either a habit or a report. If your restatement starts with “I used to…,” imperfect is your friend. If it starts with “I did it every day during…,” preterite may fit.

Two Rewrites That Reveal The Meaning

When a sentence feels stuck, try these simple rewrites. They don’t change the story. They just expose what your original sentence is trying to say.

• Swap todos los días for siempre or a menudo. If the sentence still feels like a habit, imperfect is likely right.
• Add a time box. Try adding durante un mes or ese verano. If the meaning you want is “a finished run,” preterite will feel smoother.

One small spelling note: in careful Spanish writing you’ll see todos los días with the accent. Many learners type it without the accent in drafts, chats, and notes. The tense choice works the same either way, but it’s worth adding the accent in polished work.

Common Traps With Habit Words

Words that signal repetition can make you over-pick imperfect. That’s a normal mistake. The fix is to stop treating repetition as the same thing as “habit background.” Spanish can treat repetition in two ways: as a routine, or as repeated completed events inside a finished span.

Trap One: A Finished Span Hidden In The Sentence

Many sentences hide the edges in a small phrase you skim past. Once you spot those edges, preterite stops feeling strange.

• En el campamento, todos los días dormí poco.
• Durante la beca, todos los días escribí en mi diario.

In both, the repetition sits inside a named, finished period. The speaker is reporting what happened during that closed stretch.

Trap Two: Imperfect Still Works Even If The Past Period Ended

Yes, a past routine can be told with imperfect even if that stage of life is long gone. Imperfect doesn’t mean the action still happens. It means you’re describing the routine as routine, not reporting a completed run.

• En la universidad, todos los días estudiaba hasta tarde.
• De niño, todos los días jugaba en la calle.

So don’t force preterite just because the period ended. Use preterite when your sentence frames the span as a finished block of events. Use imperfect when your sentence frames the span as a pattern.

Trap Three: Mixing Both Tenses In One Story

A common pattern in stories uses both tenses with no drama. Imperfect sets the routine or the background. Preterite drops in the events that moved the story.

Todos los días iba al café, y un día conocí a Lucía.

The first part paints the routine. The second part names a completed event that happened once.

Practice Set With Answers

Try the set below. Read each line, pick a tense for the verb in brackets, then check your reasoning. If you can explain your choice in one clean sentence, you’ve got it.

Sentence	Best Tense	Reason
De niño, todos los días [ir] al parque.	Imperfect	Routine with no edges named
Durante tres meses, todos los días [estudiar] dos horas.	Preterite	Finished time box reported as done
En esa época, todos los días [trabajar] en casa.	Imperfect	Habit framed as a past pattern
Ese verano, todos los días [nadar] en el río.	Preterite	Closed season told after it ended
Todos los días [leer] cuando mi hermana [llegar].	Imperfect + Preterite	Background in progress plus a completed interruption
En el curso intensivo, todos los días [hacer] tareas.	Preterite	Repeated completed actions inside a finished program
Todos los días [caminar] al trabajo y [pensar] en mis planes.	Imperfect	Ongoing routine, no closed span
En mi primer trabajo, todos los días [llegar] a las 7 y [salir] a las 5.	Imperfect	Routine described as the normal pattern

Answer Notes

Rows 1, 3, 7, and 8 share the same feel: a repeated pattern told as background about a stage of life. You can often swap in “used to” in English and the meaning stays steady.

Rows 2, 4, and 6 work better in preterite because the sentence puts the routine inside a named, finished time box. The speaker is telling you what they did during that closed span, like a report after it’s over.

Row 5 is the classic mix. The reading action is in progress each day, so imperfect fits. The arrival is a completed hit, so preterite fits. You’ll see this pairing a lot in stories and biographies.

Helpful References

If you want to read the rule from trusted grammar sources, these pages are solid starting points:

• Real Academia Española glossary: Pretérito perfecto simple
• University of Texas at Austin lesson: Preterite vs Imperfect
• SpanishDict learner lesson: Preterite vs Imperfect In Spanish

If you take one thing from this page, take this: todos los días points to repetition, and your tense shows whether you’re describing a routine or reporting a finished run. Once you train your eye to spot edges in time, the choice stops feeling like a coin flip.