bicycles
bicycles. or bikes.
The word messenger's is the possessive form for the noun messenger, for example the messenger's bicycle. The plural possessive form is messengers'.
The word boys is the plural form of the singular noun boy.Examples:A boy on a bicycle was delivering newspapers. (one boy)Two boys on bicycles were delivering newspapers. (two boys)
Bicycles', as in 'The bicycles' saddles were very worn.'
bi ex. BIcycle (2wheels)
The plural form of the objective personal pronoun 'her' is them.examples:Our new neighbor is Jane Smith. Have you met her?Our new neighbors are the Smiths. Have you met them?The plural form of the possessive adjective 'her' is their.examples:Jane left her bicycle in the driveway.The kids left their bicycles in the driveway.
There is no plural form. Do and Do not are verbs
The plural form of him, her, or it is them. (objective pronouns)
Bridges is the plural form of bridge.
The plural form of "was" is "were."
The plural form of "I" is "we."
The plural form of "is" is "are."