Here are some examples:
* Je ne suis pas français. (I am not French.)
* Il n'y a pas de pain. (There is no bread.)
* Je n'ai pas faim. (I am not hungry.)
* Je ne veux pas aller. (I don't want to go.)
It can also be used in conjunction with other words to express negation.
* Pas du tout (Not at all)
* Pas vraiment (Not really)
* Pas encore (Not yet)
"Pas" is a very common word in French and is essential to understand negation in the language.