Present perfect continuous - 1

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?