Back yard = Hinterhof
hinterhof
Elaine McClure has written: 'Bodies in our backyard' -- subject(s): Aerial operations, German, Destruction and pillage, German Aerial operations, History, World War, 1939-1945
The word backyard itself is used as an adjunctive noun (not an adjective) when paired with another noun, e.g. backyard barbecue, backyard mechanic. The word backyard is not an attribute in either case.
in your backyard
My backyard My backyard
Depends what backyard.
No, backyard isn't an adverb. It is a noun, and may be an adjunct in terms like backyard barbecue.
a barbecue that goes in your backyard
backyard fish culture
it depends in what type of backyard you have.
Our Backyard was created in 1984.
No, it is a noun. But it can be used as a noun adjunct with nouns as in "backyard barbecue" and "backyard mechanic."