Do you want to express that something happens in general or that something is happening right now?
in general (regularly, often, never)
Colin plays football every Tuesday.
present actions happening one after another
First Colin plays football, then he watches TV.
right now
Look! Colin is playing football now.
also for several actions happening at the same time
Colin is playing football and Anne is watching.
Note: The following verbs are usually only used in Simple Present:
be, have, hear, know, like, love, see, smell, think, want
Do you want to express that something is arranged for the near future? Or do you refer to a time set by a timetable or schedule?
The film starts at 8 pm.
I am going to the cinema tonight.
Do you want to talk about a daily routine? Or do you want to emphasis that something is only going on for a limited (rather short) period of time?
Bob works in a restaurant.
Jenny is working in a restaurant this week.
The following verbs are usually only used in Simple Present (not in the progressive form).