1.a foot a.feet
b.a foots
c.foots
d.a feet
2.a woman
a.a women
b.womans
c.women
d.a womans
3.sheep
a.sheep's
b.sheep's
c.sheep
d.sheepes
4.child
a.children
b.childs
c.childrens
d.childes
5.businessman
a.businessmanes
b.businessmen
c.businessmans
d.businessman's
1.feet (мн.ч)2.woman-women(мн.ч)3.sheep-sheep(не изменяется)4.child-children(мн.ч)5.businessman-businessmen