HOLA!!
you are playing guitar?
I'm playing guitar.
you are listening to music?
I'm listening to music.
you are watching TV?
I'm watching TV.
you are doing homework ?
I'm doing homework
you are writing a letter?
I'm writing a letter
you are swimming in the pool?
I'm swimming in the pool
you are dancing with my friends?
I'm dancing with my friends.
Espero te sirva,
SALUDOS