Are they playing basketball?
No, they aren't. They are playing chess
Are you running?
Yes, I am
Is he running?
No, he isn't. He is swimming
Are we playing tennis?
Yes, we are
Is he fishing?
No, he isn't. He is playing soccer
Is she dancing?
No, she isn't. She is singing
Is he watching tv?
Yes, he is
Am I surfing?
Yes, I am
Is she listening to music?
Yes, she is
Is she cooking?
No, she isn't. She is reading
Is he drinking?
No, he isn't. He is eating
Are they playing videogames?
Yes, they are