deducir Conditional Conjugation
deducir — to deduce
The conditional of deducir is regular: deduciría, deducirías, deduciría.
deducir Conditional Forms
When to Use the Conditional
Use the conditional to say what you 'would' deduce if you had more information, or to express politeness and probability in the past.
Notes on deducir in the Conditional
Deducir is regular in the conditional. Add the endings -ía, -ías, -ía, etc., to the infinitive.
Example Sentences
¿Qué deducirías tú en mi lugar?
What would you deduce in my place?
tú
Deduciríamos el costo si fuera posible.
We would deduct the cost if it were possible.
nosotros
Deducirían que estamos perdidos.
They would deduce that we are lost.
ellos/ellas/ustedes
Common Mistakes
Mistake: Dedujería.
Correct: Deduciría.
Why: The 'j' stem belongs to the preterite, not the conditional. Use the infinitive as the base.
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Related Tenses
Present
yo: deduzco
The present tense of deducir uses a 'zc' spelling change in the yo form: yo deduzco.
Preterite
yo: deduje
The preterite of deducir is irregular, using a 'j' stem: deduje, dedujiste, dedujo.
Imperfect
yo: deducía
The imperfect of deducir is completely regular: deducía, deducías, deducía.
Future
yo: deduciré
The future tense of deducir is regular: deduciré, deducirás, deducirá.
Present Subjunctive
yo: deduzca
The present subjunctive uses the 'z' from the yo form throughout: deduzca, deduzcas, deduzca.
Imperfect Subjunctive
yo: dedujera
The imperfect subjunctive uses the 'j' stem from the preterite: dedujera, dedujeras, dedujera.
Affirmative Imperative
yo: deduce
Use 'deduce' for tú and 'deduzca' for formal commands.
Negative Imperative
yo: no deduzcas
The negative imperative always uses the 'z' stem: no deduzcas, no deduzca.