Examples:
Here you have a few pages to practice: - You are learning English now.
- You are not swimming now.
- Are you sleeping?
- I am sitting.
- I am not standing.
- Is he sitting or standing?
- They are reading their books.
- They are not watching television.
- What are you doing?
- Why aren't you doing your homework?
Sometimes, speakers use the Present Continuous to indicate that something will happen in the near future. Fixed plan in the near future
Examples:
- 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?
- She is going to Spain on Saturday.
https://sites.google.com/site/easygrammar4kids/to-be-present/present-continuous
http://www.anglomaniacy.pl/grammarHelpers18.htm
http://yoprofesor.ecuadorsap.org/24-present-continuous-based-games-and-activities-for-kids/