adjective Date: 1889 of, relating to, or constituting a verb tense that is traditionally formed in English with had and denotes an action or state as completed at or before a past time spoken of, ~ noun
PAST PERFECT
Meaning of PAST PERFECT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012