Italian passive voice with the verb venire

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I have already spoken about the passive form with the verb essere, now I’d like to explain the passive voice with the verb venire + the past paticiple.
A characteristic: this kind of passive can be used only with simple tenses (like present, imperfect, historical past, future tense) and NOT with compound tenses (example: present perfect, past perfect etc.). The verb venire is conjugated in the same tense as the verb in the active voice.
In the passive voice sentences with venire is possible to insert the agent (the person or thing which perfoms the action) that is preceded by da.

Molti turisti visitano il Colosseo (active voice - present tense)
Il Colosseo viene visitato da moti turisti (passive voice - present tense)