Present Perfect Continuous Active
I have been talking to a group of salesmen since ten this morning, and I'm real exhausted.
You have been working on this for some time, Richard.
Help me with them, Marilyn.
Yeah. Mike and I had a hamburger at the diner. I came home a little while ago.
We've been listening to you both.
But this is what you've been working for all these years.
|Залог : Active --- Passive||have(has) + been + 4ф(ing)|
|Tenses||1. Indefinite - 2. Continuous - 3. Perfect - 4. Perfect Continuous|
|Длительное действие продолжающееся известный период времени до этого момента.
I have been writing the letter for an hour.