Forms of the verb ser (to be) in present tense: Yo soy (I am) Tú eres (you are [informal]) Él es (he is) Ella es (she is) Usted es (you are [formal]) Nosotros somos (we are) Vosotros soís (you guys/y’all are [almost solely used in spain]) Ellos son (they [all male or mixed] are) Ellas son (they are [all female]) Ustedes son (they are[formal])