What is the structure of past perfect continuous tense?

Related questions

1. What is the structure of present continuous?
2. What is the difference between present perfect and present perfect continuous?
3. What are some examples of present perfect tense?
4. What is rule of present perfect continuous tense?
5. When we use future perfect continuous tense?
6. Where present perfect tense is used?
7. What are present perfect tense examples?
8. Is Present Perfect a past tense?
9. How do you use past perfect continuous?
10. Why present perfect tense is used?

Tags

1. #continuous
2. #present
3. #completed
4. #tense
5. #progressive
6. #formed
7. #working
8. #participle
9. #point
10. #garden
11. #indicates
12. #morning
13. #modal
14. #ending
15. #perfect
16. #action