to have

-I haven't got don't have a big wardrobe -have i got Do I have a big wardrobe ?
-They don't have a pool -do they have a pool?
-she doesn't have has a party -does she have has a party ?( better structure) -She's not having a party - Is she having a party
-The dog doesn't have has a bath - does the dog have  has a bath ?
-i and frank don't have a two brother -don't i andfrank have a tho brother?

Frank and I don't have a half brother (or step brother) - Do Frank and I have a half brother?

The structure have got or haven't got is slangish ... better avoid it for now until you're fluent

half brother : Same father, different mother or viceversa

step brother : If your father marries his/her mother or viceversa