ARE THEY playing soccer?
No, they aren't.
IS IT eating?
Yes, It is.
ARE THEY playing ice hockey?
yes, they are.
IS SHE dancing?
Yes, she is.
ARE THEY watching movies?
Yes, they are.
IS HE playing the guitar?
Yes, he is.
IS SHE studying?
No, she isn't
IS SHE flying?
No, she isn't.
ARE THEY playing tennis?
No, they aren't.
IS HE singing?
No, he isn't.
IS HE FISHING?
Yes, he is.
IS IT flying?
No, it isn't