What is the example of present perfect continuous?

Related questions

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

Tags

1. #continuous
2. #examples
3. #added
4. #perfect
5. #represents
6. #started
7. #running
8. #tense
9. #present
10. #still
11. #which