The Possessive Case is now used chiefly with
names of living thing; as,
The
governor’s bodyground; the lion’s mane.
So we
must say :
The leg
of the table [not, the table’s leg].
The cover of the book [ not
, the book’s cover].
The roof of the house [not,
the house’s roof].
But Possessive is used with the names of personified* objects; as,
India’s heroes; Nature’s laws; fortune’s
favourite; at duty’s call; at death’s door.
The
Possessive is also used with nouns
denoting time, space or weight; as,
A day’s march; a week’s holiday; in a year’s time; a
stone’s throw; a foot’s length; a pounds’ weight.
The
following phrases are also in common use: