把下面的句子改为否定句 一般疑问句 肯定回答 否定回答：

1、she isn't my mom.
Is she your mom? yes ,she is. no ,she ien't.
2、Li Ming is not a teacher.
Is Li Ming a teacher? yes ,he is. no ,he isn't.
3、 I am not a teacher.
Are you a teacher? yes,i am. no ,i am not.
4、 My mom and my father are not teachers.
Are your mom and your father teachers?
yes ,they are. no,they aren't.

she isn't my mom. Is she your mum? Yes, she is. No, she isn't.
Li Ming isn't a teacher. Is Li Ming a teacher? Yes, he is. No, he isn't.
I am not a teacher. Are you a teacher? Yes, I am...