observé

In a sentence

• J'ai observé l'oiseau voler haut dans le ciel.

  I observed the bird flying high in the sky.

  Here, 'observé' is the past participle of the verb 'observer', used in a past perfect tense to indicate the observation of an action.

• Ce phénomène peut être observé dans plusieurs environnements.

  This phenomenon can be observed in many environments.

  In this instance, 'observé' appears in its past participle form as part of a passive voice construction, describing the capability of being observed.

• Tu as observé son comportement attentivement.

  You observed his behavior attentively.

  Here, 'observé' is a past participle used in a past perfect tense to talk about the careful observation made in the past.