Common expressions
search in your pocket for (your key)
go through your pockets
empty your pockets
a back pocket
an inside pocket
a hole in my pocket
Exercise
Common expressions
I searched in my pockets for some change for the bus, but I didn't have enough for the fare.
The teacher asked the whole class to empty all their pockets to find out who had stolen Javier's pen.
The key must have fallen through a hole in my trouser pocket.
Make sure you go through the pockets of your jeans before you put them into the washing machine.
It’s not a good idea to carry your passport in the back pocket of your jeans!
I always keep my wallet in the inside pocket of my jacket.
Notes
You can talk about your jacket pocket or your coat pocket.
The pocket in your trousers is your trouser pocket - not your trousers pocket.