When do we use a/an?

Do you remember when to use indefinite articles a/an? Just in case you forgot, read this short description of Tonya and match the sentences in italics with a/an with the rules listed below:

Tonya is a tall person (A) and she has red, curly hair. She is a vet (B). She loves animals and that is why she doesn’t eat meat. She has a dog (C). Her dog name is Pom Pom. Pom Pom is a German shepherd (D) . 

Tonya takes care of her health by walking four times a week (E). She really enjoys these long walks in the park with her dog. Apart from taking walks, she also uses her bicycle to go to work. She has a car (F), however she prefers to cycle for health and economical reasons.

The rules for using a/an are:

1. When describing somebody
2. When mentioning something for the first time
3. When a listener doesn’t know the details of what we are talking about
4. Before phrases of time/measurement
5. Before a job
6. When describing a single representative of a bigger group