原句：Bill has it.
一般疑问句：Does Bill have it?
否定回答/肯定回答：Yes,he does./ No,he doesn't.
否定句：Bill doesn't have it.
特殊疑问句：What does Bill have?
这种句式的变化说白了就是对谓语动词进行变形,然后重组句子,多练习就熟练了!