Alumbrar Present Tense Conjugation in Spanish
The present tense of alumbrar — “to light up” in English — is the form you need for what happens now, for habits and for general truths. This page gives you the full present conjugation table for alumbrar with all six persons, explains exactly how the tense is formed for this verb, shows when to use it with real examples, and finishes with a quiz so you can test yourself. Alumbrar means to light up, to give light to a place, and also, in older usage, to give birth. The lighting sense is the everyday one, for lamps, the sun and torches, and it is fully regular. To see it in a real sentence: Alumbro la habitación con una lámpara. — “I light up the room with a lamp.” Learn the six forms in the table below, and the present tense of alumbrar will be ready for everyday conversation.
Present tense conjugation table: alumbrar
Every person of alumbrar in the present tense. The gerund is alumbrando and the past participle is alumbrado.
Present indicative
| Person | Form |
|---|---|
| yo | alumbro |
| tú | alumbras |
| él/ella/Ud. | alumbra |
| nosotros/as | alumbramos |
| vosotros/as | alumbráis |
| ellos/ellas/Uds. | alumbran |
How the present indicative of alumbrar is formed
The present indicative of alumbrar is built from the stem plus the present indicative endings for -ar verbs. Take the infinitive, drop the -ar ending, and add the ending that matches the person. The table below shows the endings, and the full table above shows them attached to the stem.
| Person | Ending | Form |
|---|---|---|
| yo | -o | alumbro |
| tú | -as | alumbras |
| él/ella/Ud. | -a | alumbra |
| nosotros/as | -amos | alumbramos |
| vosotros/as | -áis | alumbráis |
| ellos/ellas/Uds. | -an | alumbran |
Alumbrar is a regular -ar verb in the present tense, so the table above is completely regular. The stem is alumbr- and the endings are the normal -ar endings, so once you know the pattern you can produce every form on this page.
The gerund of alumbrar is alumbrando and the past participle is alumbrado. Both are regular for this verb, and the participle is the form you need for all the perfect tenses with haber.
When to use the present tense of alumbrar
The present tense is not one single use — it covers several situations, and alumbrar appears in all of them. The five uses below are the ones you will meet most often, each with an example that shows the verb in a natural sentence.
Routines and habits
Use the present for things you do regularly, every day or every week. The present is the tense of routine, and alumbrar fits naturally into daily life.
“Yo alumbro la habitación con una lámpara todos los días.” — “I light up the room with a lamp every day.”
General facts
Use the present for facts that are true in general, not just today. When you state how something is, the present is the tense to use.
“Él alumbra el camino con una linterna.” — “He/she lights up the path with a torch.”
What is happening right now
Use the present for what is happening at this moment. Spanish often uses the simple present where English uses the progressive, so alumbro can mean both “I light up” and “I am light uping”.
“Ahora mismo, yo alumbro la calle con farolas nuevas.” — “Right now, I light up the street with new lamps.”
Fixed plans in the near future
Use the present for a plan that is already fixed, such as something arranged for tomorrow. Spanish uses the present for near-future plans much more freely than English does.
“Mañana, yo alumbro el patio con el sol.” — “Tomorrow, I will light up the yard with the sun.”
Questions and negatives
Use the present to ask about habits and to say what does not happen. The question and the negative use exactly the same forms as the statement.
“¿Tú alumbras la habitación con una lámpara?” — “Do you light up the room with a lamp?”
The present tense vs the closest tenses
Present — habit or general fact vs Preterite — one finished occasion
The present describes a habit, a routine or a general fact — something that happens again and again or that is true in general. The preterite reports one finished occasion in the past. Use the present when the action repeats or is still true, and the preterite when you are telling what happened once, on a specific day.
- Present — habit or general fact: Alumbra el camino con una linterna. — “He/she lights up the path with a torch.”
- Preterite — one finished occasion: Alumbró el camino con una linterna. — the same idea, placed in the preterite.
Present — now vs Imperfect — a past habit or background
The present talks about now. The imperfect talks about the past as a background — a repeated habit, an ongoing situation, something that used to happen. If you can add “used to” in English, the imperfect is usually the right choice; if it is happening now or always, use the present.
- Present — now: Alumbran la calle con farolas nuevas. — “They light up the street with new lamps.”
- Imperfect — a past habit or background: Alumbraban la calle con farolas nuevas. — the same idea, placed in the imperfect.
Present — now or a fixed plan vs Future — what will happen
The present describes what happens now, what you do regularly, or a plan that is already fixed. The future describes what will happen later — a promise, a prediction, a plan that is not yet under way. Spanish often uses the present for near-future plans, but the future is the form for a clear statement about tomorrow.
- Present — now or a fixed plan: Alumbras el patio con el sol. — “You light up the yard with the sun.”
- Future — what will happen: Alumbrarás el patio con el sol. — the same idea, placed in the future.
Examples: alumbrar in the present tense
Seven sentences that show alumbrar in the present tense only, across all six persons. Read each one aloud, notice the ending, and check the translation.
- Yo alumbro la habitación con una lámpara. — “I light up the room with a lamp.”
- Tú alumbras el camino con una linterna. — “You light up the path with a torch.”
- Él alumbra la calle con farolas nuevas. — “He lights up the street with new lamps.”
- Nosotros alumbramos el patio con el sol. — “We light up the yard with the sun.”
- Vosotros alumbráis la habitación con una lámpara. — “You (plural) light up the room with a lamp.”
- Ellos alumbran el camino con una linterna. — “They light up the path with a torch.”
- ¿Tú alumbras la calle con farolas nuevas? — “Do you light up the street with new lamps?”
Common mistakes with alumbrar in the present tense
These are the errors learners actually make with alumbrar in the present tense. Each one shows the wrong form, the right form, and why the right form is right.
✗ Yo alumbrar la habitación con una lámpara. (using the infinitive instead of a conjugated form).
✓ Correct: Yo alumbro la habitación con una lámpara.
The infinitive is not a conjugated form. With yo, the present tense of alumbrar is alumbro, not the infinitive alumbrar.
✗ Vosotros alumbrais la habitación con una lámpara. (forgetting the accent on the vosotros form).
✓ Correct: Vosotros alumbráis la habitación con una lámpara.
The vosotros present form carries a written accent: alumbráis, not alumbrais. The accent marks the stressed vowel, and leaving it out is a spelling mistake.
✗ Ayer, yo alumbro el camino con una linterna. (using the present for a finished past action).
✓ Correct: Ayer, yo alumbré el camino con una linterna.
The present and the preterite are different tenses: alumbro is happening now, while alumbré is a finished action in the past. Use the preterite with ayer.
✗ Treating alumbrar and iluminar as identical in every context. (confusing alumbrar with iluminar).
✓ Correct: Alumbrar means to light up, while iluminar means to illuminate.
They overlap, but each has uses the other does not: alumbrar fits sentences such as Alumbro la habitación con una lámpara, while iluminar belongs in a different sentence. Check the meaning you want before choosing.
Quiz: alumbrar in the present tense
Eight questions on the present tense of alumbrar. Choose the best answer for each one, then check the answer key below — every answer is explained.
1. Which is the correct present tense form of alumbrar for tú?
- a) alumbras
- b) alumbro
- c) alumbra
- d) alumbran
2. Complete the sentence: Yo ______ la habitación con una lámpara. — “I light up the room with a lamp.”
- a) alumbra
- b) alumbramos
- c) alumbras
- d) alumbro
3. Complete the sentence: Él ______ el camino con una linterna. — “He/she lights up the path with a torch.” (present tense)
- a) alumbraba
- b) alumbrará
- c) alumbra
- d) alumbró
4. Which is the correct present tense form of alumbrar for nosotros?
- a) alumbran
- b) alumbramos
- c) alumbro
- d) alumbra
5. Which sentence uses alumbrar correctly in the present tense?
- a) Él alumbró el camino con una linterna.
- b) Él alumbra el camino con una linterna.
- c) Él alumbrará el camino con una linterna.
- d) Ellos alumbra el camino con una linterna.
6. Complete the sentence: Ellos ______ la calle con farolas nuevas. — “They light up the street with new lamps.”
- a) alumbro
- b) alumbra
- c) alumbramos
- d) alumbran
7. Complete the question: ¿Tú ______ el patio con el sol? — “Do you light up the yard with the sun?”
- a) alumbra
- b) alumbrarás
- c) alumbras
- d) alumbro
8. What is the gerund of alumbrar?
- a) alumbré
- b) alumbrando
- c) alumbrado
- d) alumbro
Answer key
a) alumbras — The tú form is alumbras. The -s ending belongs to tú in the present; alumbro is yo, alumbra is él/ella and alumbran is ellos/ellas.
d) alumbro — The sentence needs the yo form in the present: alumbro. The other options are the wrong person.
c) alumbra — The sentence needs the él/ella/Ud. form in the present: alumbra. The other options are the preterite, the imperfect and the future.
b) alumbramos — Nosotros takes alumbramos. In the present the nosotros ending for -ar verbs is -amos, attached to the stem.
b) Él alumbra el camino con una linterna. — Él alumbra el camino con una linterna. is correct: the verb agrees with its subject. The other sentences use the wrong person or the wrong tense.
d) alumbran — The subject is ellos/ellas/Uds., so the present form is alumbran.
c) alumbras — The question needs the tú form in the present: alumbras.
b) alumbrando — The gerund is alumbrando. It is the form you use with estar for the progressive (estar + gerund), and it is not the past participle alumbrado.
Frequently asked questions
Is alumbrar regular in the present tense?
Yes. Alumbrar is a regular -ar verb in the present tense, so the forms follow the standard endings: alumbro, alumbras, alumbra, alumbramos, alumbráis and alumbran.
What is the gerund and the past participle of alumbrar?
The gerund is alumbrando and the past participle is alumbrado. Use the gerund with estar for the progressive, and the participle with haber for the perfect tenses.
How do you say “I light up” in Spanish?
Say alumbro. For example: Alumbro la habitación con una lámpara. — “I light up the room with a lamp.”
What is the difference between alumbrar and iluminar?
Alumbrar means “to light up”, while iluminar means “to illuminate”. They are related words that learners often meet together, but they are not interchangeable — use alumbrar when you mean “to light up” and iluminar when you mean “to illuminate”. The full conjugation of alumbrar is on its own page.
Related links
- Full conjugation of alumbrar — every tense and mood, with the complete tables.
- alumbrar examples and quiz — more sentences, dialogues and a longer quiz.
- Spanish Present tense guide — how the present tense works for all Spanish verbs.
- Spanish verbs — the full list of Spanish verbs on VerbFlow.
- Alzar conjugation — another -ar verb to compare with alumbrar.
- Alterar conjugation — another -ar verb to compare with alumbrar.
- Alojar conjugation — another -ar verb to compare with alumbrar.
- Present Tense Conjugator — practise this verb in the interactive tool.
- Spanish Verb Quiz — test yourself on Spanish verbs.