Singular count nouns cannot stand alone in a sentence.
|One man was in Chicago.
Neither man was with his wife.
|The other man was in Saint Paul.
Either man could be in trouble.
Note: Never use the and another, each, every, neither, either together:
This artist created that painting.
Note: Do not use articles and possessives together.
Proper nouns have their own article usage.
Non-count and plural nouns can be used without articles only in the “generic” sense:
If you have questions or comments about this page, please contact us.