A. Progressive tense
B. Present Progressive tense
C. Past Progressive tense
D. Future Progressive tense

10. It is used to describe on going action. It shows action happening at the time when they are being mentioned.

11. A rogressive tense that shows an action which is happening at the moment of speaking and writing.

12. A progressive tense that shows an action which was occurring in the past when another past action happened.

13. A progressive tense that shows an action that will continue to happen in the future.​