ARE they your friends?-Yes, they ARE
IS he your brother?- Yes, he IS
CAN he ride a bike? - No, he CAN'T
DO you want to play with the ball?- No, I DON't
DOES she roller-skate well?- No, she DOESN'T
DOES your friend want to play the piano? - Yes, he DOES
Are they your friends?-Yes, they are
Is he your brother?- Yes, he is
Can he ride a bike? - No, he can't
Do you want to play with the ball?- No, I don't
Does she roller-skate well?- No, she doesn't
Does your friend want to play the piano? - Yes, he does
