静心观海一
不，我不是：No,I am not.附加问题;She is a nurse.Is she a nurse?Yes, she is.No,she is not.They are student.Are they student?Yes,they are.No,they are not.I am a boy.Are you a boy?Yes,I am.No,I am not.希望能帮到你！
梁小姐12
am not = ain't 不过似乎只有在反问句或反意问句中才能看到，也就是说，一般你只能看到 ain't I 这种语序，而看不到 I ain't 的语序。不正式。
