The kinds of proper nouns are the unique names of:
Proper noun
Proper noun
Mexico is a proper noun.
john is a proper noun
Brazil is a concrete, proper noun, the name a specific place.
proper
"Spider" is a singular, common, concrete noun; a word for a thing.
The noun 'Pennsylvania' is a singular, concrete, proper noun, the name of a specific place.
yes, its a special kind of singing so, opera is a proper noun....
The noun 'the Ganges' is a singular, concrete, proper noun; the name of a specific river. A proper noun is always capitalized.
Subject
Louisiana is a singular, proper noun; the name of a US state, a specific place.