What is the structure of present continuous?

Related questions

1. What is rule of present perfect continuous tense?
2. How do you use past perfect continuous?
3. What are perfect tenses in English?
4. What's the difference between past perfect and past perfect continuous?
5. What is the structure of past perfect continuous tense?
6. When we use future perfect continuous tense?
7. When use the present perfect continuous?
8. What are some examples of present perfect tense?
9. What is the past perfect continuous?
10. Where present perfect tense is used?

Tags

1. #subject
2. #particle
3. #present
4. #formed
5. #tense
6. #continuous