The past perfect tense (pluperfect) - Introduction - Part II The parts of speech

Grammar for Everyone - Barbara Dykes 2007

The past perfect tense (pluperfect)
Introduction
Part II The parts of speech

The past participle is added to the past tense of the auxiliary verb ’to have’.

For example:

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This tense takes us another step back in time. The action was completed before another one took place.

For example:

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