I have been wondering how long you have been working on this project.
She has been trying to figure out how long it has been since they last saw each other.
They have been discussing how long it has been since they started their company.
I have been thinking about how long it has been since we last visited that restaurant.
He has been trying to remember how long it has been since he last spoke to his old friend.
We have been wondering how long it has been since they moved to a new city.
They have been debating how long it has been since they started dating.
I have been considering how long it has been since we first met.
She has been pondering how long it has been since she quit her job.
They have been calculating how long it has been since they bought their house.
Have you ever wondered how long it may take to achieve your goals?
She has ever thought about how long it will be until she graduates.
Have you ever wondered how long it will take for them to complete the construction project?
I have been wondering how long you have been working on this project.
She has been trying to figure out how long it has been since they last saw each other.
They have been discussing how long it has been since they started their company.
I have been thinking about how long it has been since we last visited that restaurant.
He has been trying to remember how long it has been since he last spoke to his old friend.
We have been wondering how long it has been since they moved to a new city.
They have been debating how long it has been since they started dating.
I have been considering how long it has been since we first met.
She has been pondering how long it has been since she quit her job.
They have been calculating how long it has been since they bought their house.
Have you ever wondered how long it may take to achieve your goals?
She has ever thought about how long it will be until she graduates.
Have you ever wondered how long it will take for them to complete the construction project?