Past is not, not, not a verb. It can be a noun, referring to some earlier or historical event or feature: In the past, we went visiting in a horse and buggy. Her past will be held against her in court.
Here’s the difference. If it’s a verb, the word is passed. Ask if it shows movement. Substitute another verb and see if it still makes sense.
We passed (substitute moved by) the courthouse.
He passed (substitute threw) the ball.
Time passed (substitute lapsed) slowly.
She passed (substitute served) the potatoes.
She passed away (substitute died) in the night.
A few others—
entitled involves a right: You are entitled to a hearing.
titled named: The book is titled Moby Dick.
few consisting of a small number: a few good women
less not as great in amount or quantity: less rain this year
Wrong: Less people went to the fair this year
Right: Fewer people went this year than last.
You should be able to substitute include for comprise.