We / wait / for the teacher / the whole day.
We have been waiting for the teacher for the whole day.
I / study / this morning.
I have been studying since this morning.
The baby / sleep / three hours?
Has the baby been sleeping for three hours?
They / paint / the livingroom / two hours.
They have been painting the living room for two hours.
The water / boil / ten minutes.
The water has been boiling for ten minutes.
you / watch / that series / yesterday?
Have you been watching that series since yesterday?
He / walk the dog / all afternoon.
He has been walking the dog all afternoon.
Jane / eat / that burger / half an hour.
Jane has been eating that burger for half an hour.
We / work on / the project / November.
We have been working on the project since November.
He’s tired because she / clean / the house.
He’s tired because she has been cleaning the house.
You / play video games?
Have you been playing video games?
It / snow / early morning.
It has been snowing since early morning.
How long / you / rollerskate?
How long have you been rollerskating?
She / swim / five o'clock.
She has been swimming since five o'clock.
I / read this book / four hours.
I have been reading this book for two hours.
The tap / leak / six days.
The tap has been leaking for six days.