What are you doing ? (jump)
I'm jumping
What are you doing ? (read)
I'm reading a book.
What are you doing ? (swim)
I'm swimming.
What are you doing ? (sit)
I'm sitting.
What are you doing ? (drink water)
I'm drinking water.
What are you doing ? (paint)
I'm painting .
What are you doing ? (sleep)
I'm sleeping.
What are you doing ? (play the piano)
I'm playing the piano .
What are you doing ? (ride a bike)
I'm riding a bike.
What are you doing ? (watch TV)
I'm watching TV.
What are you doing? (cook)
I'm cooking.
What are you doing ? (run)
I'm running.