What have you been doing lately?
This is the Present perfect Continuous or Progressive (Affirm. & Neg.) Forms
Can you guess the Interrogative?
(Infographic via Engames)
To learn and practise the Difference between this Tense and the Present Perfect SIMPLE,
Practise on David Mainwood's EFL Smart Blog
and with The Truman Show on another great blog:
"Movie Segments to assess Grammar Goals" by Claudio Azevedo
and if you still have some energy left ;) ...
Let's have a look at the Past Perfect Continuous / Progressive