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opérer

Meaning: to operate on, to workGroup: er-verbLevel: C1

imperfect

j'	opérais
tu	opérais
il	opérait
nous	opérions
vous	opériez
ils	opéraient

French Spelling Change Verbs: Rules, Examples, andConjugation Practice

—— Verbs like opérer change from é to è
French spelling change verbs follow regular conjugation patterns but modify their spelling in certain forms to maintain correct pronunciation.
Finally, some verbs ending in -é*er follow a similar pattern. In the present indicative and the present subjunctive, the final -é changes to -è in the forms je, tu, il, and ils.
Understanding these spelling change rules helps you conjugate similar verbs such as :

préférer compléter espérer inquiéter répéter céder célébrer considérer gérer insérer

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