construir Conditional Conjugation
construir — build
The conditional of construir is regular, adding -ía endings to the infinitive.
construir Conditional Forms
When to Use the Conditional
Use this to express what someone 'would build' under certain conditions or to make polite suggestions about a project.
Notes on construir in the Conditional
Construir is regular in the conditional. It maintains the full infinitive stem.
Example Sentences
Si tuviera dinero, construiría un hospital.
If I had money, I would build a hospital.
yo
¿Construirías una casa en el campo?
Would you build a house in the countryside?
tú
Common Mistakes
Mistake: Confusing the conditional with the imperfect because they both end in -ía.
Correct: construiría (conditional) vs construía (imperfect)
Why: The conditional keeps the 'r' from the infinitive; the imperfect does not.
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Related Tenses
Present
yo: construyo
In the present tense, construir adds a 'y' before the ending in all forms except 'nosotros' and 'vosotros'.
Preterite
yo: construí
The preterite of construir is irregular in the third person, swapping 'i' for 'y' (construyó, construyeron).
Imperfect
yo: construía
The imperfect of construir is regular, following the standard -ía endings for -ir verbs.
Future
yo: construiré
The future tense of construir is completely regular, using the full infinitive as the stem.
Present Subjunctive
yo: construya
The present subjunctive of construir uses the 'y' from the 'yo' form: construya, construyas, etc.
Imperfect Subjunctive
yo: construyera
The imperfect subjunctive is based on the preterite 'ellos' form: construyeran.
Affirmative Imperative
yo: construye
The imperative uses 'construye' for 'tú' and 'construya/n' for formal commands.
Negative Imperative
yo: no construyas
The negative imperative always uses the present subjunctive forms: no construyas, no construya.