HAVE GOTThe verb have got expresses Possession in English.https://youtu.be/zTq3cbzt4wc
AFFIRMATIVESubject+Have got/has got+ObjectShe has got two sistersOr in its short formShe's got two sisters
NEGATIVESubject+Have not got/has not got+ObjectWe have not got a small houseOr in its short formWe haven't got a small house
INTERROGATIVEHave/has+Subject+got+Object?Have you got an electric guitar?
NOTE; Bear in mind that in American English they use do as an auxiliary verb to make negatives and questions.Do you have any book?I don't have any doubt today.