An adverb is a word that is used to modify an adjective, a verb, a clause or another adverb.

FORMATION:

Feminine form of an adjective + ment = Actif: Active+ ment=Activement (actively)

Elle a participé activement à un concours.
(She participated in a competition actively.)

Clair: Claire+ ment= clairement (clearly)

Elle a expliqué mes doutes clairement.
(She explained my doubts clearly.)

Jaloux: Jalouse+ ment= Jalousement (jealously)

On protége jalousement notre liberté (We guard our freedom jealously.)

Adjective ends in vowel + ment = Vrai: Vrai+ment=Vraiment (truly/really)

C ‘est un film qui est vraiment excellent.(This is a movie which is really excellent.)

Agréable: Agréable+ment= Agréablement (pleasantly)

Les hivers sont agréablement doux avec des températures confortables.

(The winters are pleasantly mild with the comfortable temperature.)

Joli: Joli+ment=Joliment (beautifully)

Ils ont décoré la scène joliment. (They have decorated the stage beautifully.)