Is she your teacher?否定句

Is she your teacher?否定句 she is a teacher 改成否定句 She is a teacher.(改为否定句 Is this your teacher ?回答,否定句 she is a teacher 改为否定句和肯定句 She is my English teacher.(变否定句） She is my English teacher.(改成否定句) She is a teacher怎么改否定句 is that your teacher 做否定句回答 Is Mr Wang your English teacher?（作否定句） Is she your grandmother?(做否定句回答） She teaches English in a school.She is a teacher.改成否定句和一般疑问句