Is she cleaning?
Yes, she is
Is he climbing?
Yes, he is
Is she watching?
Yes, she is
What is she doing?
She is washing
What are they doing?
They are watching
Is she watching?
No, she isn't
What is she doing?
She is cleaning
What is she doing?
She is carrying
What is she doing?
She is climbing
Is it carrying?
No, it isn't
What are they doing?
They are carrying
What is it doing?
It is cleaning
Are they cleaning?
No, they aren't
Is it washing?
No, it isn't