(See Article Chart for more information.)
Singular count nouns cannot stand alone in a sentence.
Apple is on table. (Wrong!)
They must be
preceded by one of the following:
1. An article (the, a, an)
An apple is on
The professor gave us
2. A number or quantifier (one, another, the other, each, every, either, neither)
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
another, each, every, neither, either together:
The another man was in Milwaukee. (Wrong!)
3. This, that, some*
This artist created
Some woman came to see you. (*unidentified subject)
4. A possessive pronoun or noun.
my bicycle now.
Note: Do not use articles and possessives together.
The Mary's bicycle was stolen. (Wrong!)
Proper nouns have their own article usage.
Don Smith lived next door to
The Empire State Building is in
New York City.
plural nouns can be used without articles only in the "generic" sense:
Water is essential for survival.