she is a teacher 改成否定句还要改成一般疑问句复数的否定句和复数的一般疑问句.

问题描述:

she is a teacher 改成否定句
还要改成一般疑问句
复数的否定句
和复数的一般疑问句.

Is she a teacher?
They are not teachers.
Are they teachers?