Beef is a noun.
http://dictionary.reference.com/browse/beef
The part of a cow that shredded beef comes from is the chuck roast. Shredded beef is also known as ground beef.
beef it up dance
part of speech
The part of speech for this particular word is a noun.
A cowologue Got beef with cows?
what part of speech is beneath
adverb
what part of speech is work
the part of speech sashay is a averb
Did is a verb, and not is an adverb. Didn't is not any part of speech. It's a contraction of did and not.
The word speech is a noun.
Adjective