Is he mowing the lawn?
No, he isn't. He's feeding the dog.
Is he doing his homework?
No, he isn't. He is sleeping
Are they going to work?
yes, they are.
Is she listening to music?
Yes she is
Am I going to bed?
Yes, you are.
Are they jogging?
Yes, they are.
Is she having a shower?
No, she isn't. She's chilling out on the sofa.