just gone or elapsed

for the past few months

having gone by; earlier

past generations

in years past

beyond the age of or for (something)

He's past 80

She's past playing with dolls

subsequent to (a time)

half past two

beyond or at the farther side of (something)

up to and then beyond (something)

I drove past the house

time gone by

something that happened or was done in the past

He didn't regret the past