Spanish has two verbs meaning “to be”, ser and estar. The former is usually used for more permanent situations, the latter for more temporary conditions.
Here is how ser is conjugated.
yo soy (I am)
tú eres (you are, singular, informal)
él, ella, usted es (he, she is, you are, sing. formal)
nosotros, nosotras somos (we are, masc, fem)
vosotros, vosotras sois (you are, plural)
ellos, ellas, ustedes son (they are, you are)