It’s been a long time since I’ve had cheesecake.
It's been a good day.
- It has been a good day.
It's been raining non-stop for three days.
- It has been raining nonstop for three days.
I've managed to find the solution to the problem that's been bugging me all day.
This is the best thing that's ever happened to me.
- This is the best thing that has ever happened to me.
You're the best thing that's ever happened to me.
- You are the best thing that has ever happened to me!
... know, has said that she takes full responsibility for the attack on the diplomatic mission in ...
... even after the person has paid their debt to society for their mistake." ...