indefinite article

Is That An Indefinite Article?

by

Is That An Indefinite Article? COUNT NOUNS NON-COUNT NOUNS Rule #1 Specific identity not known a, an (no article) Rule #2 Specific identity known the the Rule #3 All things or things in general (no article) (no article) What are the 4 indefinite articles? In English, the indefinite article is a, which changes to an