Question

hi plz explain where we should use has and where we should use have ana same way, where we should use do and where we should use does.

Answer 1

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

Answer 2

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.