Past Perfect Passive - GrammarTOP.com
https://grammartop.com/past-perfect-passive04.03.2019 · Past Perfect Passive is used to talk about actions or events that happened before some moment or another action in the past.. Uses of the Past Perfect Passive. Similar to the past perfect in the active voice, the past perfect passive expresses a previous action or state that began in the past and continued up to another point in the past, and its consequences have …