ser “to be”
yo soy tú eres usted/él/ella es Nosotros somos Ustedes/ellos/ellas son
estar “to be”
yo estoy tú estás usted/él/ella está Nosotros estamos Ustedes/ellos/ellas están
both ser and estar are use as
the main verb in the sentence and as auxiliary verbs
Which verb is used to describe more permanent or lasting situations?
ser
Which verb is used to describe more temporary situations?
estar
ser is used to indicate
estar is used to indicate
(note)
in the following expressions, estar DOES need to be conjugated for the meaning of the sentence. It should not actually be in the infinitive form…
estar a + [date]
“it is [date]”
estar a punto de + [infinitive verb]
“to be just about to [verb]”
estar para + [infinitive verb]
“to be about to [verb]”
estar de acuerdo con …
“to agree with …”
estar por + [noun]
“to be in favor of [noun]”
estar conforme con…
“to be in agreement with…”
estar de vacaciones
“to be on vacation”
etsar de vuelta
“to be back”