Final answer:
The correct verb form of "to be" for the subject "ustedes" is "están".
Step-by-step explanation:
The correct verb form of "to be" for the subject "ustedes" is están.
This is because "ustedes" is the plural form of "you" in Spanish, and in Spanish, the verb "to be" (ser/estar) conjugates as follows:
- Yo soy (I am)
- Tú eres (You are)
- Él/Ella es (He/She is)
- Nosotros/Nosotras somos (We are)
- Vosotros/Vosotras sois (You all are)
- Ellos/Ellas/Ustedes son (They/You all are)
Therefore, the correct answer is (B) están, because it matches the conjugation for the subject "ustedes".
Learn more about verb conjugation in Spanish