https://www.answers.com/history-of-western-civilization/What_is_past_perfect_tense
Past perfect refers to some action that happened in the past and was completed (perfected) before another event in the past. e.g. I had only just put the...
past perfect tenseanswers
https://www.memrise.com/en/learn-spanish/spanish-course/1/basics/241248/past-perfect-tense-vivir
Learn useful and authentic Spanish words and phrases for Past Perfect Tense: Vivir. With Memrise, you'll watch and learn from real native speakers.
past perfect tensevivirspanishmemriselesson