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B150 exercises · 5 sections

Si Passivante

The Lesson

What is the Si Passivante?

The si passivante (passive si) is a construction where 'si' is placed before a transitive verb in the 3rd person to express a passive meaning. It is used when the agent (the person doing the action) is unknown or unimportant. The verb agrees in number with the grammatical subject (the thing being acted upon), not with the agent.

Si Passivante: Agreement with Subject

ItalianVerb FormEnglish
Si vende una casa.vende (singular)A house is being sold.
Si vendono due case.vendono (plural)Two houses are being sold.
Si parla italiano.parla (singular)Italian is spoken.
Si parlano molte lingue.parlano (plural)Many languages are spoken.
Si cerca un impiegato.cerca (singular)An employee is being sought.
Si cercano due impiegati.cercano (plural)Two employees are being sought.

Si Passivante with Modal Verbs

When si passivante is combined with a modal verb (potere, dovere, volere), the modal is in the 3rd person and is followed by an infinitive. The modal can agree with the subject in number: 'Si può fare' (It can be done) or 'Si devono comprare le verdure' (The vegetables must be bought).

Si Passivante with Modals

  • Si può fare.It can be done.
  • Si devono comprare le verdure.The vegetables must be bought.
  • Si vuole trovare una soluzione.A solution is wanted.
  • Si possono visitare molti musei.Many museums can be visited.
  • Si deve rispettare la legge.The law must be respected.

Si Passivante in Compound Tenses

In compound tenses (like passato prossimo), si passivante always uses essere as the auxiliary. The past participle agrees with the grammatical subject in gender and number.

Compound Tenses

  • Si è venduta una casa.A house was sold.
  • Si sono venduti molti libri.Many books were sold.
  • Si sono aperte le porte alle nove.The doors were opened at nine.
  • Si è costruito un nuovo palazzo.A new building was built.
  • Si sono mangiate tutte le torte.All the cakes were eaten.

Si Passivante vs. Reflexive Si

The si passivante looks identical to reflexive si but has a different meaning. Reflexive si refers to an action done to oneself (Mi lavo = I wash myself). Si passivante creates a passive meaning (Si lava la macchina = The car is washed). The key difference: si passivante requires a transitive verb with a direct object that becomes the grammatical subject.

Si Passivante vs. Reflexive Si

SentenceTypeMeaning
Si lava le mani.ReflexiveHe/she washes his/her hands.
Si lavano le finestre.Si passivanteThe windows are washed.
Si veste in fretta.ReflexiveHe/she dresses quickly.
Si vendono i biglietti.Si passivanteTickets are sold.

Key Rule: Verb Agreement

The most important rule: with si passivante, check if the noun after the verb is singular or plural. If singular → use singular verb (si vende). If plural → use plural verb (si vendono). This agreement is what distinguishes si passivante from si impersonale, where the verb is always 3rd person singular.

Practice Exercises

50 exercises · 10 questions each