1. Is your mother at work? — Yes, she is.
2. Are her children at home? — No, they are not. They are at school.
3. Is he from Italy? — No, he isn't. He is from Span.
4. Am I goot at English? — Yes, you are.
5. Are you interested in art? — No, I am not.
6. Am I right? — Yes, you are.
5. Is this subject difficult? — No, it isn't.
6. Are you happy today? — Yes, I am.