perjudicar Preterite Conjugation
perjudicar — to harm
Mostly regular, but the 'yo' form changes to perjudiqué to keep the hard 'k' sound.
perjudicar Preterite Forms
When to Use the Preterite
Use the preterite for specific instances where something caused harm at a defined moment in the past.
Notes on perjudicar in the Preterite
The 'yo' form uses 'qu' (perjudiqué). All other forms (perjudicaste, perjudicó, etc.) are regular -ar endings.
Example Sentences
Yo no perjudiqué a nadie con mi comentario.
I didn't harm anyone with my comment.
yo
La tormenta perjudicó seriamente los cultivos.
The storm seriously harmed the crops.
él/ella/usted
Esas decisiones nos perjudicaron el año pasado.
Those decisions harmed us last year.
ellos/ellas/ustedes
Common Mistakes
Mistake: perjudicé
Correct: perjudiqué
Why: In Spanish, 'cé' is pronounced like 'se'. To keep the 'k' sound of the infinitive, you must use 'qué'.
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Related Tenses
Present
yo: perjudico
Completely regular: perjudico, perjudicas, perjudica, perjudicamos, perjudicáis, perjudican.
Imperfect
yo: perjudicaba
Regular -ar imperfect: perjudicaba, perjudicabas, perjudicaba, perjudicábamos, perjudicabais, perjudicaban.
Future
yo: perjudicaré
Regular: perjudicaré, perjudicarás, perjudicará, perjudicaremos, perjudicaréis, perjudicarán.
Conditional
yo: perjudicaría
Regular: perjudicaría, perjudicarías, perjudicaría, perjudicaríamos, perjudicaríais, perjudicarían.
Present Subjunctive
yo: perjudique
Perjudicar has a spelling change (c to qu) in all forms: perjudique, perjudiques, perjudique, perjudiquemos, perjudiquéis, perjudiquen.
Imperfect Subjunctive
yo: perjudicara
Formed from the preterite: perjudicara, perjudicaras, perjudicara, perjudicáramos, perjudicarais, perjudicaran.
Affirmative Imperative
yo: perjudica
Direct commands: perjudica (tú), perjudique (usted), perjudicad (vosotros), perjudiquen (ustedes).
Negative Imperative
yo: no perjudiques
Always uses the 'qu' spelling change: no perjudiques, no perjudique, no perjudiquemos, no perjudiquéis, no perjudiquen.