When we can use present perfect continuous?

Related questions

1. What is the present perfect tense of fly?
2. What is the rule of simple past tense?
3. When we use past tense and past participle?
4. What is the function of past participle?
5. What is the example of present perfect continuous?
6. What is the present perfect tense of choose?
7. What is the difference between simple past and past participle?
8. What is the difference between simple past and present perfect?
9. Why do we use past participle?
10. What is simple past and participle?

Tags

1. #durations
2. #minutes
3. #present
4. #examples
5. #which
6. #continued
7. #talking
8. #something
9. #since
10. #weeks
11. #until
12. #started
13. #tuesday
14. #continuous
15. #perfect