It’s been a long time since I’ve had cheesecake.
It's never been done before.
- It has never been done before.
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!
... has jumped like crazy. ...
... join the Time Travelers Corp. So Jim has many exploits, heroic exploits in the annuls ...