This tense is often used with the following time expressions:
... on Friday, Monday, etc.
... this morning / afternoon / evening
... next week / month
... in December, March, etc.
Subject + be + verb + ing + object(s) + time Expression
I'm meeting our CEO at three o'clock this afternoon.
Subject + be + not (isn't, aren't) + verb + ing + object(s) + time Expression
Shelley isn't attending the meeting tomorrow.
(Question Word) + be + subject + verb + ing + object(s) + time Expression
When are you discussing the situation with Tom?
Take this present continuous quiz to check your understanding.
If you are a teacher, use this guide on how to teach the present continuous tense for more help.