Which of the following is a correct use of the verb"ser"?

Question

1.yo estoy
2.ella esta
3.tu eres

Answer 1

The correct use of the verb "ser" in your options is:

3. tú eres

The other options use the verb "estar," which is different from "ser." "Ser" is used for identity, characteristics, and time, while "estar" is used for states, locations, and conditions.