In English there are no masculine or feminine forms. English uses gender specific nouns for male or female, such as male and female.
The noun 'exercise' is a neuter noun, a word for a thing that has no gender.
its masculine
Feminin.
feminin
chica is feminine
it is feminin
masculin
feminin
le pain
feminin
feminine
The French word "lit" is masculine.
The word "chateau" is masculine in French.