The possessive form for the singular noun backpack is backpack's.
Example: My backpack's strap is broken.
The possessive form for the singular noun backpack is backpack's.Example: My backpack's strap is broken.
No, backpack is a singular, common, concrete, compound noun.
The possessive form is backpack's. Example sentence:My backpack's shoulder strap is broken.
The singular possessive form is week's.
The singular possessive form is classmate's.
The possessive form is Amos's.
The singular possessive form for the noun gypsy is gypsy's.
The singular possessive form for country is county's.
The singular form for the plural noun countries is country; the singular possessive form is country's.
singular possessive: boy'splural possessive: boys'
The singular possessive form is speculum's.
The singular possessive form is contralto's.