Transposer chacune des phrases suivantes au present perfect progressif.
I have waited for you for hours.
I have done my homework all day.
I have studied really hard.
She has worked here for years.
She has tidied up the house all day.
We have lived in this country for 10 years.
We have renovated the house for 3 years.
She has surfed the internet all evening.
We have gardened all afternoon.
We have looked after the children all day.