You are apostman改为否定句、一般疑问句、肯定回答、否定回答还有You are workersWe are in the park

You are not a postman.
Are you a postman?
Yes, I am .
No, I'm not.
Are you workers?
Yes, we are.
No, we are not.
Are you in the park?
Yes,we are.
No, we are not.

You are not a postman.
Are you a postman?
Yes, I am .
No, I'm not.

1.You are apostman（应该为postman）
否：You aren't postman.
疑：Are you postman?
肯答：Yes,I am.
否答：No,I'm not.
2.You are workers.
否：You aren't workers.
疑：Are you workers?
肯答：Yes,we are.
否答：No,we aren't.
3.We are in the park.
否：We aren't in the park.
疑：Are we in the park?
肯答：Yes,we are.
否答：No,we aren't.

否定句：you are not a post man
一般疑问句：Are you a post man?
肯定回答——yes,I am.否定回答——No,i am not.