am

to be in the present tense for I or you (familiar)

soy, eres

• I am a teacher.

  Soy profesor.

to be in the past tense for I or you (familiar)

era, fui

• You were late yesterday.

  Eras tarde ayer.

to love someone romantically

amar, querer

Collocations am deeply in love with somebody

• I am in love with him.

  Estoy enamorado de él.

to be in the present tense for you (formal)

es usted

• You are welcome.

  Usted es bienvenido.