Which preposition to use with backyards

of Occurrences 5%

The German guns had beaten upon it until it was like a rubbish heap in the backyard of hell.

behind Occurrences 1%

A dingy backyard behind the house furnished ground for the fray.

in Occurrences 1%

oh, so softly and caressingly around the quaint old place, as the great sun sets amid the blue peaks; and the never-ceasing rush of the crystal fern-banked streamI see and hear it now, and the sinking sun as it turns to a sheet of flame the mirror hanging in the backyard in the laundry veranda, before which the station hands were wont to comb and wash themselves.

into Occurrences 1%

II.An Adventure in a Courtyard One morning, in the hottest part of July, with great secrecy, he armed himself, mounted Rozinante, and rode out of his backyard into the open fields.

with Occurrences 1%

Shut yourself up in your own backyard with a man with a rifle watching you for twenty- four hours and see whether, if you have the brain of a mouse, prison- camp life can be made comfortable, no matter how many greasy packs of cards you have.

Which preposition to use with  backyards