It’s been a long time since I’ve had cheesecake.
It's been 33 years since Marilyn Monroe died.
- It has been 33 years since Marilyn Monroe died.
It's been three years since Bob started his own business.
- It has been three years since Bob started his own business.
... rapid growth than the world has ever seen. Now that growth will not continue forever. ...
... that ' that has existed in this country for ' for a long, long time and has produced ...