engels 1.4 present simple <> present continuous

When do you use the present continuous and when present simple ???

present simple

•  When it is a fact
• when something is a habit or happens regularly

                   often there stand words in the sense as:always, never, ever, usually, often, sometimes, every day.

present continuous

• when something is heppened now

           sometimes there are words in the sense lijke: (right) now,  at the moment of currentley

exemples

 present simple                                                                          present continuous

he works in an office every day.                                                she's working on her website right now