Use of verbs SER and ESTAR in passive sentences SER AND ESTAR PASSIVE CONSTRUCTIONS. There are two types of completely different passive forms, which are constructed respectively with the verbs SER and ESTAR. SER is a verb that implies action, which requires the explicit or implicit presence of an AGENT: Ex.: Fue realizada por un director italiano. (It was made by an Italian director) Fue escrito [se supone que por alguien] con la intención de influir en... (It was written [we asume by someo...
