Hi again!

You can practice the Present Perfect Progressive with the following exercises:

https://www.englisch-hilfen.de/en/exercises/tenses/present_perfect_progressive_statements.htm

https://www.englisch-hilfen.de/en/exercises/tenses/present_perfect_progressive_mix.htm

https://www.perfect-english-grammar.com/present-perfect-continuous-exercise-1.html

https://www.englisch-hilfen.de/en/exercises/tenses/present_perfect_progressive_mix2.htm

https://elt.oup.com/student/solutions/int/grammar/grammar_04_022e?cc=mx&selLanguage=en