What's the difference between past perfect and present perfect?

Related questions

1. What is present perfect tense and past perfect tense?
2. What is the structure of present perfect continuous?
3. Is Present Perfect Continuous the same as present perfect progressive?
4. Where do we use past simple and past perfect?
5. What is the difference between present perfect and past perfect?
6. What is the rule of present perfect continuous tense?
7. What is present perfect aspect?
8. When use the present perfect tense?
9. What is the example of present perfect continuous tense?
10. Why is the perfect tense called perfect?

Tags

1. #ended
2. #combining
3. #events
4. #similar
5. #difference
6. #between
7. #however
8. #because
9. #present
10. #formed
11. #participle
12. #event
13. #perfect
14. #started