Present perfect continuous.

Front

My parents ___________ (to talk) with my sister for hours.

Back

have been talking

Front

He hasn't been going to school ____ last year.

Back

since

Front

Omar ___________ (to do) his homework for 1 hour.

Back

has been doing

Front

_____ she _____ ___________ (to buy) clothes on internet?

Back

Has / been / buying

Front

You have been running in circles ____ 30 minutes!

Back

for

Front

Complete the sentence: His friend ___________ (to play) videogames since he bought a new computer.

Back

has been playing

Front

The dog ___________ (to bark) at me ____ 5 minutes.

Back

has been barking / for

Front

Complete the sentence: His friend ___________ (to play) videogames since he bought a new computer.

Back

has been playing

Front

Rick ___________ (to not clean) his room ____ he broke the broom.

Back

hasn't been cleaning / since

Front

We have been receiving gifts from our friends ____ we came back from Europe.

Back

since