It is one of the most important verbs in French, and it is used in a variety of ways, including:
* Describing someone or something: "Je suis grand" (I am tall), "Le ciel est bleu" (The sky is blue)
* Indicating state or condition: "Je suis fatigué" (I am tired), "La porte est ouverte" (The door is open)
* Forming tenses of other verbs: "J'ai été malade" (I was sick)
* Expressing existence: "Il est des gens qui..." (There are people who...)
Let me know if you'd like to learn more about using "être" in French!