to have followed the advice of
Ustedes debieron haber seguido el consejo de Mary.
You should have followed Mary's advice.
Tom debería haber seguido el consejo de Mary.
Tom should have followed Mary's advice.
Ella debió haber seguido el consejo de Mary.
She should have followed Mary's advice.
Tom debió haber seguido el consejo de Mary.
Tom should have followed Mary's advice.
Debimos haber seguido el consejo de Mary.
We should have followed Mary's advice.
Debería haber seguido el consejo de la médica.
I should have followed the doctor’s advice.