Present Perfect vs Past Perfect tenses (differences)

Wondering why native speakers sometimes use “I had done“ or “I have done“, and don’t understand the difference? Well check out this video lesson to clarify it for you when to use ’’had’’(Past perfect) and ’’have“ (Present Perfect). English grammar is going to become a bit easier for you and you are finally going to understand when you need to use Past Perf. tense and . tense.