Use of the present perfect progressive:
- Expresses an action that recently stopped or is still going on.
Example: I have been living here since 1996.
- It puts emphasis on the duration or course of the action (not the result).
Example: She has been writing for two hours.
- Finished action that influenced the present.
Example: I have been working all afternoon.
Form:
| affirmative | negative | question | |
|---|---|---|---|
| I/you/we/they | I have been speaking. | I have not been speaking. | Have I been speaking? |
| he/she/it | He has been speaking. | He has not been speaking. | Has he been speaking? |