The noun 'Greg' is a proper noun, the name of a specific person (real or fictional).
A proper noun is the name or title of a specific person, place or thing.
A common noun is a general word for any person, place, or thing.
Examples of common nouns for the proper noun 'Greg' are friend, brother, person, etc.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Common
It is a proper noun, because it is the name of a specific thing.
proper
Proper noun
it's a common noun. a proper noun would be Spider-Man.
Pencil proper or common noun
Proper noun or common noun
The noun cassette is a common noun.
a common noun?
The answer is proper noun. Examples of common noun and proper noun are: Proper noun: Mary Collins Common noun: monkey
Camel is a common noun.