Occorrere conjugation

must; to need; to be necessary; to occur, to happen

  • Irregular
  • Group: -ere (second conjugation)
  • Auxiliary: essere
  • Infinito
    occorrere
  • Participio passato
    occorso
  • Gerundio
    occorrendo
  • Ausiliare
    essere

Occorrere is an irregular -ere verb. Its compound tenses are built with essere plus the past participle occorso, which agrees with the subject in gender and number.

Indicativo

Presente

present

lui/lei occorre

Passato prossimo

present perfect / simple past

lui/lei è occorso

Built with essere, so the participle agrees with the subject. The feminine forms are shown alongside.

Imperfetto

imperfect

lui/lei occorreva

Trapassato prossimo

past perfect

lui/lei era occorso

Built with essere, so the participle agrees with the subject. The feminine forms are shown alongside.

Futuro semplice

simple future

lui/lei occorrerà

Futuro anteriore

future perfect

lui/lei sarà occorso

Built with essere, so the participle agrees with the subject. The feminine forms are shown alongside.

Passato remoto

preterite (historic past)

lui/lei occorse

Trapassato remoto

preterite perfect

lui/lei fu occorso

Built with essere, so the participle agrees with the subject. The feminine forms are shown alongside.

Congiuntivo

Congiuntivo presente

present subjunctive

lui/lei occorra

Congiuntivo passato

past subjunctive

lui/lei sia occorso

Built with essere, so the participle agrees with the subject. The feminine forms are shown alongside.

Congiuntivo imperfetto

imperfect subjunctive

lui/lei occorresse

Congiuntivo trapassato

pluperfect subjunctive

lui/lei fosse occorso

Built with essere, so the participle agrees with the subject. The feminine forms are shown alongside.

Condizionale

Condizionale presente

present conditional

lui/lei occorrerebbe

Condizionale passato

past conditional

lui/lei sarebbe occorso

Built with essere, so the participle agrees with the subject. The feminine forms are shown alongside.

Verbs that conjugate like occorrere

Same conjugation group, same pattern. Practising these together is far more efficient than working alphabetically.

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