ADJ

bar, delicatessen/deli, display, post office, reception, shop
kitchen
glass, mahogany, wooden, zinc

VERB + COUNTER

serve at/behind, work at/behind
Mary served behind the counter at Bacon's for a few hours a week
wipe (down)
The barman wiped down the counter in silence

COUNTER + NOUN

staff
post office counter staff

PREP

across a/the~
He pushed the money across the counter to her
at/behind a/ the ~
The assistant behind the counter gave a curt nod
on a/the ~
all the goods on the counter

ADJ

effective

PREP

~ to
The government's programme should be an effective counter to unemployment