Articles

1. The

1.1. When we think of a specific thing e.g. Tim sat on the chair nearest the door.

1.2. When it is clear in the situation what thing or person we mean e.g. Can you turn off the light, please?

1.3. When we talk about something unique  e.g. What`s the longest river in the Europe?

2. A or An

2.1. When we refer something for the 1st time e.g. I got a new job.

2.2. With nationalities and religions  e.g. Kate in a Ukrainian. She is Catholic.

2.3. With musical instruments e.g. Sherlock was playing a violin.

2.4. With names of days I was born on a Friday

2.5. After words such and what What a shame! She is such a beautiful girl.