His is an adjective possessive pronoun, which means he, such as his pencil and his pen, is also a noun possessive pronoun, that is, something that means him, such as this pencil is his. At this time, there is no need to follow the noun after his, because he has included the noun.
3. the difference between have and has: have is the prototype used in the present tense, except that the subject in the third person is singular, the first person, the second person and the third person are plural, the has in the third person is singular and had is past tense. It is also useful to have, for example, the verb after the auxiliary verb must be the prototype, for example, he does have a girlfriend. He does have a girlfriend. In addition, there are infinitives, that is, to, which is usually followed by the prototype. There are people like Will. You can ask me if you don't understand. Hehe, I wish you progress!