Present Simple:

She sings in the choir every Sunday.He drinks coffee in the morning before work.They play tennis at the club on Wednesdays.The sun rises in the east.I go to the gym three times a week.

Present Continuous:

She is studying for her exams right now.He is cooking dinner for his family.They are watching a movie at the cinema.The children are playing in the park.I am writing a letter to my friend.