English passive voice - Wikipedia
https://en.wikipedia.org/wiki/English_passive_voiceThe passive voice in English is a grammatical "voice". The noun or noun phrase that would be the object of a corresponding active sentence (such as "Our troops defeated the enemy") appears as the subject of a sentence or clause in the passive voice ("The enemy was defeated by our troops"). The subject of a sentence or clause featuring the passive voice typically denot…
Passive voice - Wikipedia
https://en.wikipedia.org/wiki/Passive_voiceA passive voice construction is a grammatical voice construction that is found in many languages. In a clause with passive voice, the grammatical subject expresses the theme or patient of the main verb – that is, the person or thing that undergoes the action or has its state changed. This contrasts with active voice, in which the subject has the agentrole. For example, in the passive sentence "The tree was pulled down", the subject (the tree) denotes the patient rather than the a…