Estar

• yo estoy


  I am
• Tú estás


  you are (informal)
• él/ella/usted está


  he/she is/you are (formal)
• nosotros/as estamos


  we are
• vosotros/as estáis 


  you guys are (informal)
• ellos/as/ustedes están


  they/you guys are (formal)
• when to use ESTAR:

  • feelings/conditions
  • locations/places
  • actions
• estar is for the present