A verb is a part of speech that expresses an action, a state of being, or an occurrence.
Je parle - I speak.
(French verb parler in the present tense)
Tu étais triste - You were sad.
(French verb être in the imperfect)
Il tombera - He will fall down.
(French verb tomber in the future)
French verbs are typically classified by their conjugations - they are divided into verb conjugation groups.