Correct the mistakes исправьте ошибки they haven't been seeing fred for a week. how long has you been in hospital. i have come home just from school. nick has read a book for 3 hours. my father has been paint the fence since morning.

They haven't seen Fred for a week.
How long have you been in hospital?
I have just come home from school.
Nick has been reading a book for 3 hours.
My father has been painting the fence since morning.