Théorie :

 

Explications supplémentaires :

https://www.bonjourdefrance.com/exercices/contenu/18/grammaire/520.html

 

Exercices :

https://www.francaisfacile.com/exercices/exercice-francais-2/exercice-francais-53549.php

https://www.francaisfacile.com/exercices/exercice-francais-2/exercice-francais-10698.php

https://www.francaisfacile.com/exercices/exercice-francais-2/exercice-francais-8281.php

https://francais.lingolia.com/fr/grammaire/les-temps/le-futur-simple/exercices

https://www.ortholud.com/phrases-au-futur-simple-1.html

https://fr.tsedryk.ca/grammaire/futur/exercices/futur1.htm