I have been reading this book for weeks
Has Ben been swimming a lot this year?
Mr. Bells is busy. He has been talking on the phone for an hour
I've got a pen friend. I have been writting to her for five years
John won't pass his exams. He hasn't been doing any homework lately
Molly has been staying with me since last month
We have been working on this project since December
Sam has been learning how to ride a horse for three months