No, the word 'early' is not a noun; early is an adjective (describes a noun) or an adverb (describes a verb or an adjective). Example uses:
Adjective: We can see the early movie before we eat.
Adverb: If we leave early we will miss the crowd.
Yes a proper noun can be the subject of a sentence. eg John left home early this morning. -- John is the proper noun.
In the term 'early childhood', the word 'early' is an adjective and 'childhood' is the noun it describes.
The common noun is test. The only other noun in the sentence is Jamal, which is a proper noun.
The noun 'Pangaea' is a proper noun; the name of the hypothetical supercontinent that broke apart to form the continents we know today; the name of a specific place.
Pencil proper or common noun
No, except at the beginning of a sentence because it is not a proper noun.
Exxon is a proper noun
proper noun
As a name of a road , Park Avenue', it is a proper noun, and both words star with a capital letter. However, when used separately, as 'the park, or 'the avenue', they are common nouns and so not need a capital letter.
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