Употребите притяжательный падеж существительных. the handbags of these women the flat of my sister the children of my brother the room of the boys the birthday of my daughter helen the shop of the chemist the conclusions of the experts the flat of peter and helen the colour of the carpet the economic policy of the government
my sister's flat
my brother's children
the boys's room
my daughter Helen's birthday
shop the chemist's shop
the experts's conclusions
Peter and Helen's flat
the carpet's colour
the government's colour