she doesn't have any milk.第三人称不应该是has吗?为什么这个句子还用have?

she doesn't have any milk.第三人称不应该是has吗?为什么这个句子还用have?
she doesn't have any milk.第三人称不应该是has吗?为什么这个句子还用have?

she doesn't have any milk.第三人称不应该是has吗?为什么这个句子还用have?
doesn't 后面用动词原型