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 been 33 years since Marilyn Monroe died.
- It has been 33 years since Marilyn Monroe died.
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!
... every student has a Google account, I can just enter the ...
... however in recent years there has been a renewed willingness to preserve the ...