The present perfect continuous (also called present perfect progressive) is a verb tense which is used to show that an action started in the past and has continued up to the present moment.
Mod de formare
Afirmativ:
Subiect + have / has (pers. a III-a sg.) + vb. la infinitiv + terminatia "-ing"
I have been waiting for your reply since yesterday.
Interogativ:
Have / has (pers. a III-a sg.) + Subiect + been + vb. la infinitiv + terminatia "-ing"
Have I been waiting for your reply since yesterday?
Negativ:
Subiect + have / has (pers. a III-a sg.) + not + vb. la infinitiv + terminatia "-ing"
Se folosesc adesea contractiile haven't (have + not) si hasn't (has + not)
I haven't been waiting for your reply since yesterday.
Spor!