have的奇怪用法have遇到三人称单数要变has但书上怎么有He is old,but he doesn't have gray_英语解答

have的奇怪用法
have遇到三人称单数要变has
但书上怎么有He is old,but he doesn't have gray hair.
否定句has要还原have吗?

人气：452 ℃　时间：2020-03-06 23:28:41

解答

doesn't 用了代动词does,后面还原为动词原形,不是只有have,所有的实意动词.