I don't surf the web at school. (always/ after school)
I always surf the web after school.
I rarely watch TV in the afternoon. (not/ at the moment)
I'm not watching TV at the moment.
She is doing homework at the moment. (not/ every night)
She doesn´t do homework every night.
SARA IS PLAYING THE GUITAR NOW. (NEVER ON SUNDAYS)
Sara never plays the guitar on Sundays.
They are tidying their room right now. (not/ play computer games)
They aren't playing computer games.