Théorie :

 

Explications et exemples supplémentaires :

https://apprendrefrancais.net/grammaire-francaise/les-constructions-impersonnelles

 

Exercices :

https://www.francaisfacile.com/exercices/exercice-francais-2/exercice-francais-88075.php

https://www.bonjourdefrance.com/exercices/contenu/19/grammaire/548.html

https://www.francaisfacile.com/exercices/exercice-francais-2/exercice-francais-102007.php

https://www.francaisfacile.com/exercices/exercice-francais-2/exercice-francais-28038.php

http://grammaireenligne.tableau-noir.net/impersonnels01.html

https://www.assistancescolaire.com/eleve/4e/francais/reviser-une-notion/relever-et-classer-les-verbes-impersonnels-6fto09#exerciceent1