EXERCICES:
https://www.didierlatitudes.com/exercices/latitudes1/unite-2-latitudes1/presenter-quelquun-4/
https://www.lepointdufle.net/ressources_fle/negation_present.htm
https://fog.ccsf.edu/~creitan/q1negation.htm
https://www.laits.utexas.edu/fi/quiz/basic-negation-ne-pas
https://learningapps.org/watch?v=p08wugfit17
PDF:
https://www.francepodcasts.com/wp-content/uploads/2020/08/Ne%CC%81gation-exercices-et-corrige%CC%81s.pdf