tooth's - as in "A tooth's root extends down into the jawbone."
The singular possessive of "Bob" is "Bob's."
Calf's. The calf's tail was swatting at the fly.
tooth
No. Tooth is a singular, teeth is plural.
his
pilot's
enemy's
Actress'
The singular possessive form of city is city's
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."
Yes, the word tooth is singular. The plural of tooth is "teeth."
Calf's. The calf's tail was swatting at the fly.
Singular: hypothesis Plural: hypotheses
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.