Is the computer on the desk?
Yes, it is.
Is Mary running?
Yes, she is.
Is grandfather cooking?
No, he isn't.
Is your grandmother cooking a cake?
No, she isn't.
Is Mom sleeping?
No, she isn't.
Are the children playing football?
No, they aren't
Are the bears sleeping?
No, they aren't.
Are the children eating?
Yes, they are.
Is the dog jumping?
No, it isn't.
Is William reading a book?
No, he isn't.
Is Pedro walking?
Yes, he is.
Is the cat playing?
No, it isn't.
Are the brothers fighting?
Yes, they are.
Is Susy wearing glasses?
Yes, she is.
Are the flowers on the table?
Yes, they are.
Is the teacher sitting?
No, she isn't.