We use has with third person singular rhat is he, she, it. We use have with first second and third person plural that is I we you they. We use do with whom we use have and we use does with whom we use has
Have is used with some pronouns such as I HAVE A GREAT TEACHER.
has is used with the third singular person such as ; HE HAS A NICE HAIRCUT.
do is used when the subject is I , you , we ,or they.
does is used in third person singular pronouns eg; he, she it.
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