Ser

• Soy


  I am
• Eres 


  You are
• Es


  She/he is
• Somos 


  We are
• Sois 


  You are (pl)
• Son 


  They are
• Fui


  I went
• Fuiste 


  You went
• Fue 


  She/he went
• Fuimos


  We went
• Fuisteis


  You went (pl)
• Fueron 


  They went
• Voy a ser 


  I am going to be
• Vas a ser


  You are going to be
• Va a ser


  She/he is going to be
• Vamos a ser


  We are going to be
• Vais a ser


  You (pl) are going to be
• Van a ser


  They are going to be
• Sería

  I would be
• Serías

  You would be
• Sería (ellas/ellos)

  She/he would be
• Seríamos


  We would be
• Seríais


  You (pl) would be
• Serían


  They would be