Indefinite Articles a/an

1. Considerd indefinite articles: And they are used to introduce new concepts in a speech

2. Use "a", "and" only with singular nouns

2.1. Examples

2.2. with a

2.3. 1- It s a book

3. with a

3.1. 2- A heart

3.2. 3- A truck

3.3. It is a definite article "a" and is analogous to articles "A"

4. Article in English grammar

4.1. It is a ket that introduces a noun phrase

5. Use "an" with words that start with a vowel sound

5.1. Examples

5.2. Whit "an"

5.3. 1- An orange

6. Whit an

6.1. 2- And house

6.2. 3- An camera

6.3. 4- A clock