My best friend and I have known each other since we were at primary school.
The US has existed for over 200 years.
Josh has had a driving licence since he was 18.
There's been life on Earth for millions of years.
That TV has been on for at least 3 hours!
He's been in bed with a cold for 3 days.
She says she hasn't seen a good film since she saw Titanic.
