It can be used in a variety of contexts, such as:
* "Beaucoup de gens" - A lot of people
* "Beaucoup de travail" - A lot of work
* "J'ai beaucoup d'amis" - I have a lot of friends
* "Il y a beaucoup de bruit" - There's a lot of noise
It can also be used to express "very" or "really":
* "C'est beaucoup trop cher" - It's too expensive
* "Je suis beaucoup fatigué" - I'm very tired
"Beaucoup" is a versatile word that can be used in many different ways.