perjudicar Negative Imperative Conjugation
perjudicar — to harm
Always uses the 'qu' spelling change: no perjudiques, no perjudique, no perjudiquemos, no perjudiquéis, no perjudiquen.
perjudicar Negative Imperative Forms
When to Use the Negative Imperative
Use this to tell someone NOT to cause harm or disadvantage.
Notes on perjudicar in the Negative Imperative
Like the present subjunctive, all forms use 'qu' instead of 'c'.
Example Sentences
No perjudiques tu salud con esa dieta.
Don't harm your health with that diet.
tú
No perjudique a los demás por su ambición.
Don't harm others because of your ambition.
usted
Por favor, no nos perjudiquen.
Please, don't harm us.
ustedes
Common Mistakes
Mistake: no perjudica (for tú command)
Correct: no perjudiques
Why: Negative commands must use the subjunctive forms, not the indicative 'tú' form.
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Related Tenses
Present
yo: perjudico
Completely regular: perjudico, perjudicas, perjudica, perjudicamos, perjudicáis, perjudican.
Preterite
yo: perjudiqué
Mostly regular, but the 'yo' form changes to perjudiqué to keep the hard 'k' sound.
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).