问题补充：
He has a toothache的否定形式,就是改否定句
答案：
He doesn have a toothache .
======以下答案可供参考======
供参考答案1:
He dosenot have a toothache
供参考答案2:
He dosen have a teethache.
供参考答案3:
He hasn a toothache.
供参考答案4:
He does not have a toothache.
供参考答案5:
He doesn havea toothache.
供参考答案6:
He hasnot a toothache
