Possessive case nouns

The baby toy fell on the floor. Possessive case will be:

• The baby's toy fell on the floor.

• The babys' toy fell on the floor.

• The babies toy fell on the floor.

• none of above

The women computer was broken. Possessive case will be:

• The women's computer was broken.

• The womens' computer was broken.

• The womans' computer was broken.

• none.

Those boys shoes are in the locker. Possessive case will be:

• Those boy's shoes are in the locker.

• Those boys' shoes are in the locker.

• Those shoes of boys are in locker.

• None.

Tell whether each underlined possessive noun is singular or plural: The author's books were very popular.

• singular

• plural

the desk of the teacher

• the teachers' desks
• the teacher's desks
• the teacher's desk

the laughs of the child

• the children's laughs
• the child's laugh
• the childs' laugh

The candy bar belongs to Sally.

• It is Sally's candy bar.
• The candy bar is Sallys. 

Singular or plural?
artists'

• singular possessive
• plural possessive

Singular or plural?
boys'

• singular possessive
• plural possessive

My ___ farm has five different kinds of animals. (grandfather)

• grandfathers

• grandfather's

• grandfathers'

• grandfathers's