请问have your hair 是什么时态?

请问have your hair 是什么时态? Does your grandmother have gray hair u have cut your hair?翻译 Does your character have short hair? have+过去式是什么时态? have been是什么时态? have+done是什么时态? have+been是什么时态 have done是什么时态 have+ing 是什么时态? 请问your hair need cutting为什么不对? 一句话的时态问题How long have you been stay here?请问这句话是什么时态,并且说出这种时态