Proper Adjective is "telling the adjectival form of nationality" means the words to expand the name to say nationality which is in fact a change comes from the Proper noun:
Proper Adjective is "an adjective that nationality" meant to extend the term to indicate citizenship. In fact, there are a change from the Proper noun.
Proper Adjective is "adjectives tell nationality" means to expand the word name to tell the nationality. As a matter of fact, a change from Proper noun include