
endurecer Imperfect Subjunctive Conjugation
endurecer — to harden
The imperfect subjunctive of endurecer is formed from the third-person plural preterite: endureciera.
endurecer Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
Use this for hypothetical situations (e.g., 'If the heart hardened...') or after past-tense verbs of emotion.
Notes on endurecer in the Imperfect Subjunctive
This tense is regular based on the preterite stem. Use 'endureciera' for the standard form.
Example Sentences
Si endurecieras tu carácter, te respetarían más.
If you toughened your character, they would respect you more.
tú
Dudaba que la arcilla endureciera tan pronto.
I doubted the clay would harden so soon.
él/ella/usted
Common Mistakes
Mistake: Si endurezcase...
Correct: Si endureciera...
Why: Learners often try to put the 'z' from the present tense into the past subjunctive, but it only belongs in the present.
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Related Tenses
Present
yo: endurezco
The present tense of endurecer is irregular in the 'yo' form: endurezco.
Preterite
yo: endurecí
The preterite of endurecer is regular: endurecí, endureciste, endureció, endurecimos, endurecisteis, endurecieron.
Imperfect
yo: endurecía
The imperfect of endurecer is regular: endurecía, endurecías, endurecía, endurecíamos, endurecíais, endurecían.
Future
yo: endureceré
The future of endurecer is regular: endureceré, endurecerás, endurecerá, endureceremos, endureceréis, endurecerán.
Conditional
yo: endurecería
The conditional of endurecer is regular: endurecería, endurecerías, endurecería, endureceríamos, endureceríais, endurecerían.
Present Subjunctive
yo: endurezca
The present subjunctive of endurecer uses the 'zc' stem: endurezca, endurezcas, endurezca, etc.
Affirmative Imperative
yo: endurece
The imperative of endurecer uses 'endurece' (tú) and 'endurezca' (usted).
Negative Imperative
yo: no endurezcas
The negative imperative always uses the present subjunctive forms: no endurezcas, no endurezca.