article a and an

1. An elephant.

2. Both articles mean the same and are invariable in gender and number, since it is used for both male and female and lacks plural.

3. es un breve video explicado como utilizar Uso de A y AN - APRENDE INGLÉS CON MR PEA ENGLISH FOR KIDS

4. An umbrella.

5. It is also used in front of expressions that indicate a certain number of objects or people:

5.1. A lot of people.

5.2. A dozen of apples

6. An apple.

7. It is also used in front of expressions that indicate a certain number of objects or people:

8. Un pequeño ejemplo

9. A cat is a quiet pet.