Articles undefined

1. Rules

2. Member of school. We use a / an un con name or noun to discuss UN member of a class . For example :

3. Carla lives in a nice big house

4. To describe. We use a / an when we describe people or things. For example:

5. She is a doctor

6. Do not Use A / an. We do not use a / an with names or nouns that are written in plural or are countless , because a / an means "one " . For example

7. My grandparents are teachers

8. Application

9. The indefinite article is used to refer to something undefined or nonspecific

10. Example

11. I see a dog

12. There is a nice house