fixed expressions

• estar a + date


  to be a certain date
• estar a punto de + infinitive


  to be just about to
• estar de acuerdo (con)


  to agree with
• estar para + infinitive


  to be about to
• estar por + noun


  to be in favor of
• estar conforme con


  to agree, be in agreement (with)
• estar de vacaciones


  to be on vacation
• estar de vuelta


  to be back