Do you have a teacher?(一般现在时)
Did you have a teacher?(一般过去时)
Will you have a teacher?(一般将来时)
Are you having a teacher?(现在进行时)
Do you have a teacher?(一般现在时)
Did you have a teacher?(一般过去时)
Will you have a teacher?(一般将来时)
Are you having a teacher?(现在进行时)