Ser y Estar: The Spanish verb Be

Ser and its conjugations express Profession, Nationality, Origin, Basic characteristics.

• Yo soy dentista.(I'm a dentist.-Profession)
  
• Ella es argentina. (She is Argentinian.-Nationality)
  
• Èl es de Ecuador. (He is from Ecuador-Origin)
  
• Nosotros somos inteligentes. We are intelligent.-Characteristics)
  

Estar and its conjugations express Condition and Location

• Juan y Pedro (Ellos) estan enfermos. (Juan and Pedro are sick-Condition)
  
• Ustedes están en España.(You are in Spain.-Location)