Final answer:
The Spanish verb 'ser' changes depending on the subject pronoun it's tied to. Its forms include: 'Yo soy', 'Tú eres', 'Él/Ella/Usted es', 'Nosotros/Nosotras somos', 'Vosotros/Vosotras sois', and 'Ellos/Ellas/Ustedes son'. Each form uniquely corresponds to a specific subject pronoun.
Step-by-step explanation:
The correct form of 'ser' depends on the subject pronoun it is attached to. Here are the forms of 'ser':
- Yo soy (I am)
- Tú eres (You are - informal singular)
- Él/Ella/Usted es (He/She is - formal singular)
- Nosotros/Nosotras somos (We are)
- Vosotros/Vosotras sois (You are - informal plural)
- Ellos/Ellas/Ustedes son (They are/You are - formal plural)
Each subject pronoun has a unique corresponding form of 'ser' to agree with it in number and person.
Learn more about 'ser' forms