USE 1 Now
Use the Present Continuous to express the idea that something is happening now, at this very moment.
You are learning English now.
You are not swimming now.
Are you sleeping?
They are reading their books.
They are not watching television.
What are you doing?
Why aren’t you doing your homework?
USE 2 Longer Actions in Progress Now
Sometimes, we use the Present Continuous to say that we are in the process of doing a longer action which is in progress.
Examples: (All of these sentences can be said while eating dinner in a restaurant.)
I am studying to become a doctor.
I am not reading any books right now.
Are you working on any special projects at work?
Aren’t you teaching at the university now?
USE 3 Future plans
Sometimes, we use the Present Continuous to indicate that something will happen in the future because it has been already planned.
I am meeting some friends after work.
I am not going to the party tonight.
Is he visiting his parents next weekend?
Isn’t he coming with us tonight?
USE 1 Now