2)Is Sally making a phone call?
No, she isn’t.She is listening to Jack.
3)Is the busker dancing?
No, he isn’t.He is playing the guitar.
4)Are the people singing?
No, they aren’t.They are laughing.
5)Is it having lunch?
No, it isn’t.It is buying some drinks.
6)Is Greg telling a joke?
No he isn’t.He is talking about Convent Garden.