1 are you at home? Yes, I am.
2 are you reading? No, I am not .
3 is it hot today? Yes, it is. 4 is your friend with you? No, he isn't. 5 is your granny in the country? Yes, she is. 6 are your parents at the seaside? No, they aren't. 7 are your parents working now? Yes, they are.