Introduction
Constituir means “to constitute”, and it is one of the verbs you will use again and again in Spanish. Constituir means to constitute or to make up, and it is used for what forms a group, a majority or a problem: constituir la mayoría, constituir un problema. It is a -uir verb: yo constituyo, él constituye, with y before the vowel endings. This page shows constituir in real sentences, in short dialogues, and in the mistakes learners make most often, and it finishes with a ten-question quiz so you can test yourself. Every sentence below comes with its English translation, and every form is the correct present-tense form unless the sentence is clearly marked as past or future. For a first taste: “Constituyo la mayoría del grupo.” — I constitute the majority of the group.
Constituir in real example sentences
The twelve sentences below are grouped by how constituir is used. Read each one out loud, then read the translation. If a sentence feels useful, copy it into your own notebook with one small change — a different time, a different person, a different place — and you have a new sentence of your own.
In the present: everyday use
These sentences use constituir in the present tense, which is how you will meet it most often: routines, facts, and things happening now.
“Constituyo la mayoría del grupo.” — I constitute the majority of the group.
“¿Constituyes un problema para la empresa?” — Do you constitute a problem for the company?
“Constituye el equipo de trabajo.” — He/she constitutes the work team.
“Nosotros constituimos una amenaza para la salud.” — We constitute a threat to health.
Talking about the past
The present is not the only tense you need. These sentences show constituir in the past, so you can talk about what already happened.
“Ayer, yo constituí la mayoría del grupo.” — Yesterday, I constituted the majority of the group. (preterite)
“Antes, él constituía un problema para la empresa.” — Before, he used to constitute a problem for the company. (imperfect)
Plans and things already done
These sentences look forward, or look back at something already finished. Notice how the verb form changes while the meaning of constituir stays the same.
“Mañana, nosotros constituiremos el equipo de trabajo.” — Tomorrow, we will constitute the work team. (future)
“¿Tú has constituido una amenaza para la salud?” — Have you constituted a threat to health? (present perfect)
More everyday uses
Four more present-tense sentences, covering the remaining persons, so you can see the whole table in action.
“Vosotros constituís la mayoría del grupo.” — You constitute the majority of the group.
“Ellos constituyen un problema para la empresa.” — They constitute a problem for the company.
“Yo constituyo el equipo de trabajo.” — I constitute the work team.
“Mi padre constituye una amenaza para la salud.” — My father constitutes a threat to health.
Constituir in context
Single sentences teach you the forms. Dialogues teach you when to use them. Read the short conversation below, then the paragraph that follows, and notice how constituir appears naturally, without anyone stopping to think about conjugation.
A short dialogue
Marta: “¿Tú constituyes un problema para la empresa?” — Do you constitute a problem for the company?
Pedro: “Sí, yo constituyo la mayoría del grupo.” — Yes, I constitute the majority of the group.
Marta: “Nosotros constituimos una amenaza para la salud.” — We constitute a threat to health.
Pedro: “Y ellos constituyen un problema para la empresa.” — And they constitute a problem for the company.
Marta: “Vosotros constituís el equipo de trabajo.” — You constitute the work team.
Pedro: “Sí, y él constituye la mayoría del grupo.” — Yes, and he constitutes the majority of the group.
A short paragraph
Constituye la mayoría del grupo, y nosotros constituimos una amenaza para la salud. Yo constituyo un problema para la empresa, y ellos constituyen el equipo de trabajo. Constituir is part of everyday life, because constitute is something people do in work, at home and with friends, in the present, the past and the future.
Common mistakes with constituir
These are the errors learners actually make with constituir. Each one shows the wrong version, the right version, and why the correction matters.
Wrong: “Yo constituye la mayoría del grupo.” Right: “Yo constituyo la mayoría del grupo.” Why: The person matters: constituye is the él/ella/Ud. form, while the yo form is constituyo. Using the third-person form with yo is one of the most common beginner errors.
Wrong: “Yo constituo un problema para la empresa.” Right: “Yo constituyo un problema para la empresa.” Why: Constituir is a -uir verb: the stem vowel i becomes y before a vowel ending, so the present is constituyo and constituye, and the gerund is constituyendo. The form constituyo follows that pattern, not the plain stem plus -o.
Wrong: “Treating constituir and formar as identical in every context.” Right: “Constituir means to constitute, while formar means to form.” Why: They overlap, but each has uses the other does not: constituir fits sentences such as Constituyo la mayoría del grupo, while formar belongs in a different sentence. Check the meaning you want before choosing.
Wrong: “Yo soy constituido un problema para la empresa.” Right: “Yo he constituido un problema para la empresa.” Why: Spanish perfect tenses use haber, not ser: he constituido, has constituido, ha constituido. Ser plus the participle makes a passive, not a perfect tense.
Wrong: “De niño, yo constituí el equipo de trabajo todos los días.” Right: “De niño, yo constituía el equipo de trabajo todos los días.” Why: For a repeated habit in the past, use the imperfect (constituía), not the preterite. The preterite (constituí) is for one finished action.
Quiz: constituir in use
Ten questions on constituir in real sentences. Choose the correct answer for each one, then check the answer key. Every answer is explained.
1. Complete the sentence: “Vosotros ______ la mayoría del grupo.” (You constitute the majority of the group.)
- (a) constituís
- (b) constituyo
- (c) constituyes
Answer: constituís — The vosotros/as form of constituir in the present tense is constituís.
2. Complete the sentence: “Ellos ______ un problema para la empresa.” (They constitute a problem for the company.)
- (a) constituyes
- (b) constituyen
- (c) constituyo
Answer: constituyen — The ellos/ellas/Uds. form of constituir in the present tense is constituyen.
3. Complete the sentence (preterite): “Ayer yo ______ la mayoría del grupo.” (Yesterday I constituted the majority of the group.)
- (a) constituiste
- (b) constituyó
- (c) constituí
Answer: constituí — In the preterite, the yo form of constituir is constituí.
4. Complete the sentence (imperfect): “Antes, él ______ un problema para la empresa.” (Before, he used to constitute a problem for the company.)
- (a) constituía
- (b) constituyo
- (c) constituías
Answer: constituía — In the imperfect, the él/ella/Ud. form of constituir is constituía.
5. Complete the sentence (future): “Mañana, nosotros ______ el equipo de trabajo.” (Tomorrow we will constitute the work team.)
- (a) constituirás
- (b) constituiremos
- (c) constituiré
Answer: constituiremos — In the future, the nosotros/as form of constituir is constituiremos.
6. What does constituir mean in English?
- (a) to constitute
- (b) to consent, to allow
- (c) to form
Answer: to constitute — Constituir means “to constitute”. The other options are the meanings of different verbs.
7. Which sentence is correct?
- (a) Yo constituye la mayoría del grupo.
- (b) Ellos constituye un problema para la empresa.
- (c) Yo constituyo la mayoría del grupo.
Answer: Yo constituyo la mayoría del grupo. — “Yo constituyo la mayoría del grupo.” is correct. The other two sentences contain the mistakes explained in the section above.
8. How do you say “I constitute the majority of the group.” in Spanish?
- (a) Mi padre constituye una amenaza para la salud.
- (b) Constituyo la mayoría del grupo.
- (c) Constituyen la mayoría del grupo.
Answer: Constituyo la mayoría del grupo. — “Constituyo la mayoría del grupo.” is the correct translation.
9. What is the nosotros form of constituir in the present tense?
- (a) constituyo
- (b) constituyes
- (c) constituimos
Answer: constituimos — The nosotros form is constituimos.
10. Which of these sentences is in the present tense?
- (a) Mañana, nosotros constituiremos el equipo de trabajo.
- (b) Constituyo la mayoría del grupo.
- (c) Ayer, yo constituí la mayoría del grupo.
Answer: Constituyo la mayoría del grupo. — “Constituyo la mayoría del grupo.” is in the present tense. The other two are in the preterite and the future.
Frequently asked questions
How do you say 'I constitute the majority of the group' in Spanish?
Say 'Constituyo la mayoría del grupo'. For a routine, add a time expression: 'Constituyo la mayoría del grupo todos los días'.
How do you say 'He constitutes a problem for the company' in Spanish?
Say 'Él constituye un problema para la empresa'. The subject comes first, and the verb agrees with it: él takes constituye.
What is the difference between constituir and formar?
Constituir means to constitute, while formar means to form. They are easy to confuse because they appear in similar situations, but they are not interchangeable: use constituir when you mean to constitute, as in 'Constituyo la mayoría del grupo', and use formar for to form.
Related pages
- Full conjugation of constituir — every tense of constituir in one place.
- Constituir in the present tense — the full table and usage rules for one tense.
- Spanish verbs — the hub for every Spanish verb on VerbFlow.
- Verb quiz — test yourself on constituir and other verbs.
- Conjugation practice — drill the forms of constituir until they are automatic.