The plural form of the compound noun father-in-law is fathers-in-law.
Bridges is the plural form of bridge.
"Beliefs" does not have a plural form, as it is already plural. Beliefs is the plural form of belief.
There is no plural form for the word, countries. This word itself is a plural.
"Groceries" is the plural form of "grocery."
The plural form of "meter" is "meters."
The plural form for the noun sergeant is sergeants; the plural possessive form is sergeants'.
It has no plural form.
The plural form of rung is rungs.
The plural form of mouth is mouths. The plural form of month is months. The Mounth is a range of hills in Scotland and does not have a plural form.
The plural of "she" is "they", so the plural of "she had" is "they had".
The plural form of the noun anniversary is anniversaries.The plural form of the church's anniversary is the church's anniversaries.The plural form of the noun church is churches.The plural possessive form is churches'.The plural form of church's anniversary is the churches' anniversaries.
The plural form is founders. The plural possessive is founders'.