Proper name, noun
Yes, "Uncle Tim" should be capitalized as it is a proper noun.
No, the name 'Tim Gray' 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 proper noun is always capitalized.A common noun is a general word for any person, place, or thing.A common noun is capitalized only when it's the first word in a sentence.Examples of common nouns for the proper noun 'Tim Gray' are person, boy, man, etc.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Pencil proper or common noun
Exxon is a proper noun
proper noun
Yes, the word 'Ali' is a proper noun, the name of a person.A proper noun is the name or title of a specific person, place, or thing.A proper noun is always capitalized.
proper noun
Proper noun
It is a proper noun, because it is the name of a specific thing.
Proper noun or common noun