Article a/an

1. Use “a”, “and” only with singular nouns

1.1. example

1.1.1. I´m Daniel, I´m a Nurse

1.1.2. I am a good student

1.1.3. I need a Chair

2. La forma más fácil de aprender A AN THE / ARTICLES

3. Rules to used "a"

3.1. Use "a" with words that start with vowel sound

3.1.1. Example

3.1.1.1. I want an apple

3.1.1.2. I need an Umbrella

3.1.1.3. I want to visit an island