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perjudicar Present Conjugation

perjudicar — to harm

B1regular with spelling change -ar★★★★
Quick answer:

Completely regular: perjudico, perjudicas, perjudica, perjudicamos, perjudicáis, perjudican.

perjudicar Present Forms

yoperjudico
túperjudicas
él/ella/ustedperjudica
nosotrosperjudicamos
vosotrosperjudicáis
ellos/ellas/ustedesperjudican

When to Use the Present

Use this for general truths or ongoing habits that cause harm or disadvantage.

Notes on perjudicar in the Present

Perjudicar is fully regular in the present indicative. No spelling changes are needed here because the endings start with 'o' or 'a'.

Example Sentences

  • Fumar perjudica la salud.

    Smoking harms your health.

    él/ella/usted

  • Tus ausencias perjudican al equipo.

    Your absences are harming the team.

    ellos/ellas/ustedes

  • Siento que te perjudico con mis problemas.

    I feel like I'm harming you with my problems.

    yo

Common Mistakes

  • Mistake: perjudico with a 'qu'

    Correct: perjudico

    Why: The spelling change to 'qu' only happens before 'e' or 'i'. Before 'o', the 'c' already sounds like a 'k'.

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Related Tenses

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).

Negative Imperative

yo: no perjudiques

Always uses the 'qu' spelling change: no perjudiques, no perjudique, no perjudiquemos, no perjudiquéis, no perjudiquen.