1 Is Emma riding a horse? (ride) No, she isn't.
2 Is he dancing? (dance) Yes, he is.
3 Are they hiding behind Willow? (hide) Yes, they are.
4 Are they wearing blue T-shirts? (wear) No, they aren't.
5 Is he playing the piano? (play) No, he isn't.
6 Is she singing? (sing) Yes, she is.