Some people think the present perfect continuous is difficult to use, but really it's not very complicated, and it sounds very impressive when you use it correctly.
As I told you in class, here you have the cartoon strips where you have to come up with the sentences. Remember, make a sentence in Present Perfect Simple and another sentence in Present Perfect Continous, applying the rules we have seen in the Power Point. I also leave the slides we have been working with in class for you to download. CLICK ON THE PICTURE TO MAKE IT BIGGER!!
Download the Power Point: Present Perfect Continous
For reviewing the uses of Present Perfect Continuous you can also go to this site and practice with some exercises online: Perfect English Grammar
And this other one: English Grammar Online