Rules and aplications of the indefined articles

1. Article A: is used when the word start with a consonant and also when the first letter of the word isn't pronounced as vowel but as consonant

2. Examples:

3. A Computer

4. A University

5. Video

6. Article AN: is used when the word start with a vowel y also when the word start with the letter h that isn't pronounced

7. Examples:

8. An hour

9. An eagle