Youhaveasistersingular, one person
Youhaveacarplural, several people
Youdon’thaveabrothersingular, one person
Youdon’thaveahouseplural, several people
Youhadacarsingular, one person
Youhadfriendsplural, several people
Doyouhaveabrother?singular, one person
Doyouhavesiblings?plural, several people
Didyouhaveacar?singular, one person
Didyouhavecars?plural, several people