We find different uses of the present continuous tense.
- Temporary situations. I am studying at the university. (It is something temporal because I am studying until the day that I finish).
- Developing situations: The weather is becoming warmer. (Está haciendo más calor).
- An event happening now: I am watching TV. (I am doing it at this moment).
- Things or events happening in a near future: I am going to the dentist this Friday. He is starting school next September.
The formation of the present continuous is:
Verb to be (auxiliary) + verb (main verb followed by the suffix –ing)
I am (auxiliary) drinking (verb “to drink”+ “-ing”)