do karate
He can't do karate.
play tennis
She can play tennis.
play basketball
She can play basketball.
paint
He can paint.
sing
She can't sing.
play basketball
He can't play basketball.
dance
She can dance.
do karate
He can do karate.
play tennis
He can't play tennis.
sing
He can sing.
play football
He can play football.
paint
He can't paint.
play football
He can't play football.
dance
They can't dance.