The plural possessive form of "senators" is "senators'."
The singular is senator and the possessive is senator's (one senator).The plural is senators and the plural possessive is senators' (referring to more than one senator).
The plural possessive form of "voter" is "voters'".
Senators'
The possessive form for the plural noun citizen is citizens'.
mayors-elect
The plural possessive for president is presidents'.Examples: Two of the US presidents' names were Roosevelt.
The plural form is... 'vice presidents'.
Barack Hussein Obama is the 44th President of the US, inaugurated in 2009.
Singular possessive: secretary's Plural: secretaries Plural possessive: secretaries'
The plural of governor-elect is governors-elect.
The plural is lads. The plural possessive is lads'.
The plural is relatives. The plural possessive is relatives'.
The plural form is Mexicans. The plural possessive is Mexicans'.
The plural form is echoes. The plural possessive is echoes'.
The plural form is suffixes. The plural possessive is suffixes'.
The plural form is inches. The plural possessive is inches'.