将下列名词改为复数形式.顺便讲一下变化的规律.
问题描述：
将下列名词改为复数形式.顺便讲一下变化的规律.
desk fork boy table ticke tourist friend cupboard dress boss bus glass watch match dish fish box fox knife wife leaf shelf family baby man woman policeman policewoman milkman postman child foot
答
desks forks boys tables tickets tourists friends cupboards dresses bosses buses glasses watches matches dishes fishes boxes foxes knife -knives wife -wives leaf-leaves shelf-shelves family - families ...