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