allongés

In a sentence

• Les feuilles sont allongées et fines.

  The leaves are elongated and thin.

  Here, 'allongées' is describing the shape of the leaves as elongated, functioning as an adjective modifying 'les feuilles'.

• Nous étions allongés sous les étoiles.

  We were lying down under the stars.

  In this sentence, 'allongés' is describing the action of 'nous,' indicating that we were in a reclining position, used as a past participle.

• Elle a allongé son café avec de l'eau.

  She stretched her coffee with water.

  Here, 'allongé' is used as a verb (past participle) referring to the action of diluting or extending the coffee by adding water.