to have called
You could have called.
Deberías haber llamado antes de entrar.
You should have called before entering.
You should have called.
Tom debió haber llamado.
Tom should have called.
Debe haber llamado a medio Barcelona.
He must have called half of Barcelona.
— Todo sobre mi madre (1999)
Deberías haber llamado a la policía.
You should have called the police.