Present perfect continuous connects the past to the present.
Use present perfect continuous to talk about an activity which was in progress very recently in the past
- A: Why are your hands green?
B: I‘ve been painting my room.
Use the present perfect continuous to describe actions or situations starting in the past and continuing up to and including now.
- He has been waiting for his friends for 20 minutes.
Use present perfect continuous to talk about a regular habit or activity that someone started recently and which they continue to do. You can add a time signal to stress that the action started recently.
- They‘ve been eating at restaurants a lot recently.
- He‘s been working overtime a lot lately.
- I‘ve been walking to work recently.