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