contactés

In a sentence

• Nous avons contactés les invités pour confirmer leur présence.

  We contacted the guests to confirm their attendance.

  Here, 'contactés' is used as a past participle of the verb 'contacter,' agreeing with the subject 'nous' in a direct object context.

• Les personnes que nous avons contactés étaient très utiles.

  The people we contacted were very helpful.

  In this sentence, 'contactés' is used as part of a relative clause, agreeing with the plural masculine direct object 'les personnes' preceding it.

• Elle n'a pas contactés tous ses amis avant la fête.

  She did not contact all her friends before the party.

  Here, 'contactés' is part of a negated past tense construction, agreeing with the plural direct object 'amis' appearing later in the sentence.