Note: When you are using a verb tense with more than one part such as Past Perfect (had met), adverbs often come between the first part and the second part (had never met).
USE 1
Completed Action Before Something in Past The Past Perfect expresses the idea that something occurred before another action in the past. It can also show that something happened before a specific time in the past.
Examples:
I had never seen such a beautiful beach before I went to Kauai.