The present continuous (or present progressive) is used for actions that are happening at the present moment.
To form the present continuous, use am, is, and are, followed by the present participle:
The negative form simply adds not:
We are not skinny-dipping.
Use the regular form to ask questions:
Are you watching the game?
We are studying right now.
Ongoing / Temporary Actions
They are doing a major in Spanish.
More and more people are writing papers on their phones.
Tomorrow I am coaching the junior team.
She is always shouting.
For more information, please see our introduction to all twelve verb tenses in English.