Learn and practice:
https://prowritingaid.com/neither-nor-either-or?gad_source=1&gclid=CjwKCAjwjeuyBhBuEiwAJ3vuoei3g4K12uM5vaYwA0yDnTEpyPmPcdfDe-O3qBhfuc8Az9Fdnuf8vxoCK2EQAvD_BwE
https://speakspeak.com/english-grammar-exercises/intermediate/intermediate-grammar-exercise-either-or-neither-nor#google_vignette
https://www.myenglishpages.com/grammar-exercise-either-or-neither-nor/#google_vignette