Is your father a painter?
Yes, he is/No, he isn't
Are your parents watching TV?
Yes, they are/No, they aren't
Is your sister at home?
Yes, she is/No, she isn't
Is it raining?
Yes, it is/No, it isn't
Are you happy?
Yes I am/No I'm not
Are you tall?
Yes, I am/No I'm not
Are your parents in the supermarket?
Yes, they are/No they aren't
Are we learning English?
Yes, we are/No, we aren't
Is your mother at work?
Yes, she is/No, she isn't