Aren't you a teacher?不可用are not?

Aren't you a teacher?不可用are not? You're a teacher,aren't ()? ---- You aren’t a teacher,are you ---- _______.I’m a doctor. you are not a doctor ,aren't you 还是are you? -- You aren't a stranger,are you? you are a pig,aren't you? You aren't a man ,you are u are a Japanese,aren't you? Are you not 和Aren't you?什么区别 no you are not?no you aren't? I'm a teacher as you know,aren't you? Aren’t I a teacher