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The singular possessive form of monkey is monkey's.
For a singular possession to be shown, you would formulate the sentence to show that the monkey has something (possession) or owns something (possession) by adding an apostrophe after monkey.
Example: The monkey's hair was blonde.
The singular possessive form of city is city's
The singular form of the plural noun smiths is smith.The singular possessive form is smith's.example: I bought this at a goldsmith's shop on Main Street.
tooth's - as in "A tooth's root extends down into the jawbone."
pilot's
enemy's
Actress'
Singular: hypothesis Plural: hypotheses
The possessive form of the singular noun monkey is monkey's.example: The monkey's tail was wrapped around a branch.
The singular possessive noun for child is child's.
Buses' is plural possesive.
Dad? Although father is already singular "My father's car" singular possesive
The singular possessive of "Bob" is "Bob's."