He doesn't have dog? 还是 He doesn't has dog? 是have 还是 has ?

问题描述:

He doesn't have dog? 还是 He doesn't has dog? 是have 还是 has ?
He doesn't have dog?还是He doesn't has dog? 是have还是has ?
后面需要变吗?

have是对的.应为前面有一个助动词doesn't的否定,在助动词的后面要加动词的原型.