mon if the word is masculine singular
ma if the word is masculine singular
mes if the word is masculine or feminine plural
BTW in french possessive adjectives are related to the possessed thing not to the one who is possessing:
i.e.
english: her dog, 'her' cause a woman is possessing a dog
french: son chien, 'son': chien is masculine, not matter if a man or a woman is possessing it
To say the word "I" in French, one would say "je."
In French, the word on is sur.
In French, the word "he" is Il.
The verb 'to say' is 'dire' in French.
To say the word enthusiastic in French you say the word enthousiaste. In the Italian language this word is said as entusiasta.
"Word" in French is "mot" pronounced "moh"
you say it in a french accent
"With" in French is "Avec".
Dans is the French word for in.
The word stuff in french is affaires.
The French word for speak is parler.
A word is un mot.