The nurse said that she was not feeling well,didn't she?
They don't believe that I can finish this work in an hour,do they?
Have a little more fish,won't you?
如果主句的谓语动词是think,suppose,believe,imagine,expect,feel等,且主语为第一人称或第二人称时,反意疑问句的后半句仅有肯定或否定与主句相对应,而其主语和时态等却要与宾语从句相一致；如果主语为第三人称,则不能否定从句.