Verb "Be" with the articles "a" and "an"

1. use "be" the verb to be is used after a pronoun

1.1. Example

1.1.1. I am pretty

1.1.2. you are intelligent

1.1.3. It is blue

2. How use the verb "Be"

3. How use articles "A" and "An"

4. Use articles "an" from words that begin with vowels

4.1. Example

4.1.1. An animal

4.1.2. An apple

4.1.3. An ant

5. Use articles "a" from words that begin with consonants

5.1. Example

5.1.1. A people

5.1.2. A dog

5.1.3. A country