When do I use “êtes”, “sont”, and “sommes”?

Question

It's all in the question, in what context would I use êtes, sont, and sommes?

Answer 1

In the conjugation of the verb être (to be), the first, second, and third person plural forms are:

• nous sommes
• vous êtes
• ils/elles sont

The choice between these three forms depends on whether the subject is nous, vous, or ils/elles. For more information about the conjugation of this verb, see the Wiktionary entry for être.

Answer 2

It depend of the conjugation of the verb être : http://www.laconjugaison.net/conjugaison/%C3%AAtre