any visitors in the museum\last Monday?
Were there any visitors in the museum last Monday?
a small tree\in the park (+)
There was a small tree in the park.
any schools\2,500 years ago?
Were there any schools 2,500 years ago?
any motorbikes\500 years ago (-)
There weren't any motorbikes 500 years ago.
a desert\fifty years ago?
Was there a desert fifty years ago?
a bus in the bus stop\yesterday (-)
There wasn't a bus in the bus stop yesterday.
lots of ferries near the city\two weeks ago (+)
There were lots of ferries two weeks ago.
a litter in the garden\yesterday?
Was there a litter in the garden yesterday?
any cinemas\two hundred years ago (-)
There weren't any cinemas two hundred years ago.
a car near the house\yesterday (+)
There was a car near the house yesterday.