article a/an

1. look this video and listen articles a / an

2. A book

3. a man

4. a dog

5. article indefinite "a"

5.1. example "a". ‘A’ is used before words that start with consonant sounds (“a sample” or “a model”), even if the consonant sound is made by a vowel

6. an egg

7. an hour

8. article indefinite "an"

9. ‘an’ is used before words that start with vowel sounds (“an equation” or “an element”), even if the word starts with a silent consonant (“an hour”).

9.1. an orange