Answer: Yo soy, tú eres, ella/él/usted es, vosotros sois, nosotros somos, ustedes/ellas/ellos son
Step-by-step explanation:
The verb "ser" means to be and when conjugated means am, are, and is. We can conjugate it for each of the subject pronouns.
Yo soy ➜ I am
Tú eres ➜ You are
Ella/Él/Usted es ➜ She is/He is/Formal you are
Vosotros sois ➜ You are
Nosotras/Nosotros somos ➜ We are
Ustedes/Ellas/Ellos son ➜ Plural you are/They are