exprimant

In a sentence

• Marie a écrit une lettre exprimant sa gratitude.

  Marie wrote a letter expressing her gratitude.

  Here, 'exprimant' is a present participle describing what the action of the letter is doing - expressing gratitude.

• Les enfants dessinent des images exprimant leurs émotions.

  The children draw pictures expressing their emotions.

  In this sentence, 'exprimant' specifies the purpose of the images being drawn - to express emotions.

• Le poème exprimant ses rêves a touché le cœur de nombreux lecteurs.

  The poem expressing his dreams touched the hearts of many readers.

  'Exprimant' here serves as a description for the poem, detailing the content or subject of its expression - his dreams.