It’s been a long time since I’ve had cheesecake.
It's been three years since Bob started his own business.
- It has been three years since Bob started his own business.
It's never been done before.
- It has never been done before.
I've managed to find the solution to the problem that's been bugging me all day.
You're the best thing that's ever happened to me.
- You are the best thing that has ever happened to me!
This is the best thing that's ever happened to me.
- This is the best thing that has ever happened to me.
... says that he has a very different economic plan, the centerpiece of his economic plan ...
... mankind has hit a wall. ...