Present Perfect Continuous Tense shows the action started in the past and is still continued.
In Present Perfect Continuous Tense the form of ‘have’ is used with ‘been’ and ‘present participle’ of verb.
For third person and singular number ‘has’ is used with ‘been’ and ‘present participle’ of verb.
| Affirmative | Negative | Interrogative |
| I have been writing. | I have not been writing. | Have I been writing? |
| We have been writing. | We have not been writing. | Have we been writing? |
| You have been writing. | You have not been writing. | Have you been writing? |
| You have been writing. | You have not been writing. | Have you been writing? |
| He/She has been writing. | He/She has not been writing. | Has he/she been writing? |
| They have been writing. | They have not been writing. | Have they been writing? |